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Patients Love Us & Doctors Trust Us request appointment Get Started We are not your typical orthodontic office, and we know you’ll love our individualized approach to care. We want to not only meet your expectations but exceed them! Request a consultation at one of our locations and get ready to love your smile! "*" […]

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Orthodontics

Patients Love Us & Doctors Trust Us Our services How We Help Orthodontic treatment does more than just straighten teeth. While correcting your smile’s appearance, orthodontics can create better tooth and jaw function while improving your overall health. Rest assured that we have a variety of treatments to fit every lifestyle. Braces Thanks to advancements

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We are not your typical orthodontic office, and we know you’ll love our individualized approach to care. We want to not only meet your expectations but exceed them! Request a consultation at one of our locations and get ready to love your smile!

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PATIENT REVIEWS

Our 5-Star Experience

We are grateful for the opportunity to serve our community with excellent care. Check out what our patients are saying about us!

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The Doctor was great! I’m a challenging case and she was patient listened to my concerns and she’s working on a plan for me!! I’m grateful ☺️ The team there was also amazing... too👏🏽👏🏽read more
Tonya H.
Very courteous and professional staff. They are knowledgeable and take time to explain. Questions are answered in understandable terms. Front desk staff is organized, professional and... courteous. I highly recommend G&N.read more
Karyle A.
The staff of GNO is always friendly and efficient, and I am so glad that I chose them. I worked with Amber at my most recent appointment, and she was everything a dental technician should... be. Highly recommend.read more
Paz B.
I recently finished with my braces, and they did an exceptional job. The staff was fantastic, incredibly friendly, and have my teeth looking amazing! I highly recommend them for anyone... seeking orthodontic treatment.read more
David H
I attended GNO for my Invisalign fitting this week and had the great pleasure of working with Angela. She was kind, patient, friendly & hilariously funny 😃 (which was a cool... distraction.) The Front Desk Rep & Financial Coordinator worked very well with making a Contract to suit my current needs. They were very patient as well understanding- while provide an Excellent level of ServiceI would highly recommend this Ortho Specialist for all agesHappy Smiles ,Sabrina P.I attended my appt @ GNO Wilmington office to get Invasalign done ✅ 💟 What a great experience! Joe was phenomenal by explaining every step of the process from putting in the anchors -to showing me how to properly care for my aligners to have a successful experience. He was very enthusiastic about assuring all of my questions or concerns were completely resolvedI’m very pleased with the GNO Teamread more
Sabrina P.
Very friendly. They listened to me and made me feel comfortable. Great experience so far.
Sarah O.
Super friendly and efficient. Love our ortho experience here so far.
grace A.
This is an awesome orthopedic office. The team and doctor are very polite and courteous. I would definitely recommend anyone to come here!
Ashley L.
The doctors and staff at GNO are always very professional and engaging. They make this typically anxious experience a lot of fun. Dr. Nista explains what is occurring, the changes being... made and why. The brace bucks for doing well is a great treat and reward for doing well in and outside of the chair.read more
M S.
Dr Nista is top tier, he is so kind people friendly, kid friendly . He builds confidence in you from the moment you come in to finish. Nomatter how bad the smile how unfixable you think it... is HE CAN DO IT . He worked a miracle on my smile and I am forever grateful. They understand hardship, he understands the cost and expense and he works with you . I can’t be more happy and now I can wear my lipstick feeling even more FLAWLESS. Thank you Dr You Will Be Seeing My Children Soon 💙read more
LaAmber L.
We have wonderful service for over 10 years from Dr. Nista and staff for all of our children. Very friendly, easy to make appointments, and great results!
Michelle P.
A year and 9 month wait but well worth it. I had a really bad overbite and big front teeth and after the braces they look great now.
John L.
The best Orthodontic hands down!!! Dr. Nista is the best!
Brandi D.
Very attentive and caring to my son made us feel comfortable Great customer service skills and nice pleasant people
Lajunna T.
The staff is always friendly and professional and my daughters appointments have been fast but efficient.
Timu B.
Always a great experience at Greeley and Nista! Everyone is so personable and addresses you by name. My Invisalign journey has been simple and painless. At first I didn’t think I needed it,... but I see a significant improvement in my teeth and smile. I am so happy my friend encouraged me to get it! Oh, I really love all the treats too.read more
S S
I cannot say enough about Greeley & Nista Orthodontics. We have been with this group for several years. 2 of my 3 kids have completed a treatment plan & we couldn’t be more happier with the... results. This staff has always been so accommodating & friendly. They are Family. I highly recommend them ♥️read more
Rosellen M.
All the stuffs are very nice and professional.Clean office I would definitely recommend them!
Kumi T.
Had a little wait but well worth it. Everyone is so nice and make you feel comfortable. Service was fast and they did a great job.
The B.
Excellent customer service, always on time and great results!
Brian E.
Excellent service! My teeth look amazing, better then I could have ever imagined. Dr. Nista is so nice and so are all the techs!
Julia S.
Everyone at GNO was friendly and professional. I'm very happy with my experience.
Wambui K.
So thankful for the doctor. I am so overwhelmed with thanks for what they did for my daughter today. This orthodontist office truly cares about people.
S M
The best I mean the best experience from start to finish. Look out world watch me smile..😃The GNO team especially Amber who did her thing on taking the braces out.. thank u
Nicole A.
LOVE this place!! Been going here the past year for Jaw Surgery Prep and Dr.Nista is the best. He is professional, fun and gets the job done. I have had nothing but great interactions... with the staff. This place knows how to run a business!read more
Megan B.
The best service you’ll ever receive at an orthodontist office. It’s a very personalized experience. All the staff are amazing, as if they hand select the best people! I NEVER leave reviews... but had to because the service is top notch! Dr. Nista is amazing. Name a doctor that calls you himself the day before the appointment. I’ll wait. It’s the little things that sets them apart from others. It’s an experience from the time you walk in and until you leave. Huge shout out to Shanta! She made me feel like I was in a familiar setting although it was my first time at this location. If you’re still questioning if you should make an appointment, stop and thank me later! You will not be disappointed.read more
Angel C.
Great customer service these people do a wonderful job…..thanks for taking care of my son.
Tamika
Dr Nista has treated 5 members of my family through braces retainers and invisalign. He makes sure our teeth look the best they can - even after my brother and I neglected our retainers for... a while. He is always going the extra mile! Everyone at the office is friendly and helpful. Making appointments is always easy even with a busy non flexible schedule.read more
Keely O.
Nice friendly staff very nice and clean place offer you free drinks and coffee best place wish I been knew about this place
JJ SISTERS 3.
I love my results. Best ran orthodontist practice that I’ve ever been to. Quick responses, convenient appointment times. Everyone is friendly and very professional. Mindy was the best... when discussing financial matters. I highly recommend and encourage everyone, no matter your age, go see the folks here for your care. You won’t be disappointed!read more
Tamika Laws J.
The Nista office is an amazing place to get your family’s orthodontic work done. Friendly staff that operate as a team and focuses on the patient. Over 7 of my family members have been here... and were all happy with the result. One thing not to overlook is the last question after your work is done - “are you happy with how they look” which was asked by Amber. A very patient focused practice!read more
boo B.
Great customer service!! I worked with Mendy, who was extremely patient in navigating both of my dental insurance policies to cover my sons braces. She also went above and beyond in the... mist of my complicated family dynamics, to coordinate a payment plan that worked for his father and I. Thanks Mendy!read more
Makeda M.
Wow!!! What a genuine, caring, hard working, highly skilled, excellent Orthodontist. I just finished and all 3 of my children come here. I interviewed countless recommended orthodontists in... the area before choosing Dr. Nista’s practice. Dr. Nista and his staff explain everything, no hidden surprises, and Dr. Nista thinks outside the box, accepted a challenge that most orthodontists wouldn’t and my smile is priceless! . To top it off we were always greeted with a smile!read more
Rich and Liz R.
Omg G.N.O orthodontist is sooo great!!!! They make you feel like family. I am just starting my journey on perfecting my smile and let me tell you…… I see a difference already after laser on... my gums. I smile a lot already, once my journey is complete PREPARE TO BE SICK OF ME !!!!!!!!!!!!!!!read more
Kut V.
Best orthodontist in town!!! Dr Nista treats every patient like his extended family! They also accepted my insurance for partial cost cover. 10/10 Hifhky recommend!!!
Fritz S, A.
A true professional and specialist. Cares about his patients, his community and his craft. 5 stars!!
Jeff K.
Great orthodontist and team! So glad I found them. Professional courteous and kind.
Britt R.
Great Doctors and awesome customer service. Excellent smiles made here :)
Dovi P.
Greeley & Nista Orthodontist is an awesome practice. So Glad to have a great treatment Coordinator (Maria) who is Welcoming and very knowledgeable. She answered all my questions and set us... up for treatment. I love the way the treatment staff treat my children and it’s always a pleasant experience.The scheduling crew has been amazing because our family schedule is rigid- Jasmine, Kelly and Becky have been so kind and patient with my numerous calls ( with having 2 siblings with repair needs etc) we are more than halfway through treatments and have been accommodated every time we request an appointment. The flexibility was the biggest and main reason we Choose GNO.Keep up the great Job!The price is fair for great quality work and I just can’t wait for the final results.read more
Elizabeth S.
Absolutely phenomenal staff! Everyone in the office was personable, welcoming, patient, and most importantly informative. I would highly recommend Greeley & Nista.
LaMar B.
My daughter received wonderful care at Greeley and Nista. Highly recommend!!
Family C.
I have nothing but positive things to write about this office. I first brought my oldest son to Dr. Nista about 3 years ago. Dr. Nista and his staff put us all at ease and made the... experience an extremely comfortable one. I was very impressed and pleased with them, that I brought my other two children to them. The staff is always so pleasant and kind. Dr. Nista takes the time to explain the treatments for your child then makes the kids laugh with his "dad" jokes. I highly recommend them.And Dr. Nista: Why is Cinderella bad at soccer?Because she’s always running away from the ball!We got jokes too 😁read more
Sarah D.
Great place… excellent work and professional staff!
Courtney J.
My experience with Greeley and Nista was great! All of the employee are examples of what great customer service is! Dr Nista is so personable he made me very comfortable and seems to... remember all his clients which makes you feels special! I would recommend this place to anyone!!read more
Tarayja B.
They staff was very friendly and made sure I understood all the procedures my kids was getting.
Keirra M.
The staff was ammmmmmaaazinggg everyone smiled , and greeted me . Maria was Soo good answered all my questions and or worries . She was great . The place is clean . I highly recommend .... Thank you GNO family ❤️read more
wanyegiakai M.
Always professional and pleasant. Happy staff and doctor = Happy patients.
David D.
Such an awesome and amazing orthodontist and office. Very beautiful and pleasant staff. I am always in and out quickly but my services are not minimized. I truly appreciate how well my... Invisaligns are working. I can actually see some major changes in my smile and I am so excited! Only 25 weeks to go to my perfect smile!!! Thank you so much for everything!Jacquee'read more
Jacqueline P.
I learned of GNO from a friend, I got my braces done here and now my 2 of my children have braces by GNO, staff is friendly with teenagers and welcoming. The coolest Doctor ever, w/ swag... how color coordinates tie with clothes and sneakers.read more
Ronnika B.
What a great group of people. Everyone is very nice and professional. They get you in and out. I would recommend them to anyone who needs orthodontics.
Angela K.
So far, very accommodating and detail oriented. Busy at times but very organized.
Ayo O.
Both of my children have used GNO. We love the professionalism of the doctors and all the staff. They have created an environment that helps you feel comfortable, welcome, and valued.More... Detailsread more
Dr. Margo Lewis-Jah PhD, LCSW,MEd, M.
My son had a great experience! Love the kid friendly fun added in! (brace bucks). Easy to make appointments! Best price for our family when compared to others! Dr. Nista hs a fun... personality! Thank you!read more
Phoebe B.
The entire start to ending was awesome my daughter loves it there they treat you really nice and sweetI highly recommend this place to anyone
Beaba G.
I left Greenly Nista Orthodontics feeling great! Maria was very friendly and helpful!! She answered all my questions and made me feel very welcome and happy with my visit! The doctor also... made me feel very happy with my decision to come into there office today! I’m so excited & can’t wait to start my new journey!!read more
ashley W.
It was wonderful seeing the staff, Kathy and Dr. Nista again after many years. The service is still the ultimate. The staff are pleasant, kind and caring!
Neysa S.
I went in for a consultation as I am looking for braces or Invisalign & I was in and out so fast, everyone down to the drs was so sweet, friendly and so welcoming! Super excited to be going... on this journey with Greeley & Nista!!read more
DeAsia M.
Everyone is nice and friendly! I adore Dr. Nista!!!
S
Had a consultation for braces today and I couldn’t have asked for a better experience. The office is really nice/clean and spa-like! Definitely a 10/10 experience! HIGHLY RECOMMENDED!!!!... The staff (Maria) and the doctor were extremely professional and met all of my needs.read more
Kolby C.
We have been patients of GNO for 3 years and have loved Dr Nista and his staff. They are friendly, helpful, and understanding of your situation. They work with you and reward the kids for... being active patients. Dr Nista called us the night before her 1st appt just to make sure my youngest was OK. ❤️read more
Stefanie S.
Wouldn’t take my kids anywhere else! Dr.Nista is BEYOND Fabulous!
Stacey M.
Very easy to get in if you need a bracket replaced. You don't wait more than a few minutes before being seen. Doctor and staff are friendly.
Catherine W.
Excellent care and customer service! Dr. Nista helped my daughter over seven years through an excellent treatment plan. She just got her braces off and her smile is amazing! Thank you Dr.... Nista--you are the best!read more
Lynn C.
Best experience ever, from start to finish. I can’t tell you how amazing the staff is. My teeth are perfect. I get the most amazing complements. Why would you choose anyone else, but... Greeley and Nista orthodontist.read more
T
Consistently great interactions, staff is always friendly, you can tell they really care. GNO stands by the quality of their work no matter the issue. I say this with conviction, as my... family has used their services for over 8 years, and their work and support has maintained top quality!read more
S J
Kristy was very kind and thoughtful during my evaluation after 21 weeks into my Invisalign treatment. She took time to explain the why: I was told to use my tray only as a retainer... overnight because that would make it last longer until my new set of trays arrived.Dr. Nista, as always, was a wizard with his orthodontic tools. I got seen and was in and out very quickly with my appointment starting right on time. I appreciate practices that value my time. I would definitely recommend Greeley and Nista to a friend for sure!read more
David D.
Had my first consultation & appointment today. Everyone was so nice and friendly in the office. They explained and went over the treatment plan and what to expect from start to finish. So... glad I chose them for my treatment.read more
Deidra B.
Best treatment center ever! Friendly staff! I’m pleased with my progress!!! Thank you all!
Lee F.
Very personable practice and teeth came out amazing. Very warm staff!! All employees are knowledgeable about ortho needs.
seth W.
Great establishment. Very nice people with diverse talents.
Gods W.
We love this practice. So much so, that we happily travel to DE even though we live in PA! It is more than worth it.My oldest son has been seeing Dr. Nista for some time: he started with... an expander, is now in braces, and is very happy with his progress so far.Today, my middle child had his first appointment, and everyone made him feel so welcome and comfortable. The care is so personal; both Dr. Nista and his staff make a real effort to get to know your child and make them feel included in the process, which has given my son a feeling of responsibility for and authority on his care. He left excited to start his orthodontic journey.Our family cannot recommend this practice enough. Thank you Dr. Nista and staff!read more
Megan L.
Absolutely love coming to Greeley & Nista! There is nobody else I would trust with my teeth.
Maria D.
Dr. Nista and his team have been unfailingly courteous, pleasant, professional and on time! I had a great experience with my Invisalign and great results - thank you all so much!
Margaret L.
We received a phone call from the Doctor the night before our first appointment to intro6 himself. That was a great 1st impression!
kristoffer B.
I extremely recommend GNO , they are very kind and nice staff every one smile. My son was so comfortable overther, we felt their appreciation. Special thanks to Angela for referring me to... there with a nice gift card. Thanks for Kathy as she explained the whole process simply. We are so interested to go through the next 18 months.read more
Mohammed A.
If you are looking for Orthodontic services GNO is by far the best in North Wilmington. They have served me and my children well through our dental experience.
Curi C.
The staff was extremely helpful and pleasant. Put me at ease. Excited to get the process started.
Donielle S.
My daughter loved it! She got her braces on her first appointment. The place is clean spacious and beautiful. Very professional!! I will be back with other family members.
Wal B.
I got a consultation it was so quick and pleasant. Everybody is extremely nice and it went great
SetItOffFan
Very nice place, all staff very friendly and professional
Curtis T.
Extremely efficient and friendly practice. I love the communication of the doctor. It is cool that the office has ways to earn points for prizes!
Scott R.
They were so professional and funny and made us feel so comfortable And my son was happy about getting braces!!! Winning!!!
Jdub 1.
This was my second time needing braces/retainer so I was a tad hesitant about trying a new orthodontist. But all of my concerns quickly disappeared after my very first appointment.The... staff are upbeat, kind, patient, friendly and very professional. They are there to answer any and all questions and even the biking department is friendly, which is rare in my experience.I recommend this office for ppl of all ages and walks of life.read more
lakia M.
From my first call to GNO office I was treated with fun loving respect , just came in for a consultation and was so pleased with the service I received, the dr even called me after hours to... welcome me to the first office visit , once I got there , it was awesome! Dr nista was so fun , and outgoing , the best personality!! I’m going to love my 18 months here !read more
Doranna C.
I had my first visit with Dr. Nista's office and I couldn't be more thrilled! Everyone there was so nice! Dr. Nista and Maria took their time going over my individual treatment case and a... plan of action. I left feeling really excited about my next appointment and wondered what took me so long to go after the smile I deserve!! I highly recommend this warm, caring and friendly practice!read more
Kristin B.
Everyone is so kind. They made the experience to get Invisalign much easier than I expected. I'm excited to get started and feel like I'm in good hands. The great service was refreshing and... all the bonuses they have are even better!read more
Ashley W.
Extremely friend and helpful! Explain the whole process I would need in detail.. would 100% recommend them to anyone I know!
Brittany R
I love love love the entire experience at Greeley & Nista. They made me feel welcomed and they were all so professional. They will make you feel apart of their family and take really good... care of you ❤️❤️❤️❤️❤️❤️read more
Cameran P.
My daughter Sammi did not want metal braces, so she had invisalign instead. It was a very easy routine and she is happy with the results, Thank you Dr, Nista and staff!
Karen C.
Friendly efficient staff. Dr Nista is a cool guy! Loved his pink chucks 🙂. They actually made me feel excited about getting braces.
Kendra W.
Dr. Nista is the best orthodontist in Delaware. His chair side manner is second to none. I appreciated the professionalism of the staff and Elena is my absolute favorite. My teeth are so... sensitive and she took extra care of me. I’m gonna miss my buddies at GNO.read more
Stephi S.
As an adult getting orthodontics for the first time, I was very nervous and apprehensive. Dr. Nista and his staff are not only highly experienced and efficient, but everyone in the... practice is warm and friendly which added so much to my experience. Super happy with my results and well worth the nine months of braces!read more
Susan T.
Very accommodating and the environment and people are GREAT! Highly recommend!!!!
Veronica W.
My first visit and everyone was so nice and felt very comfortable, the dentist is probably one of the coolest dr I’ve ever met lol I wish I found them sooner!!!
Asian E.
Extremely satisfied! very professional my teeth came out perfect it was a long journey well worth it!
Jetta
Amazing staff and amazing doctor! My daughter recently completed her treatment with Dr Nista and I have nothing but praise for the awesome experience she had. Her treatment lasted about a... year an a half and all throughout the staff and the doctor where super informative and encouraging. My daughter has not stop smiling since and I can't thank you all enough for this.read more
Dory P.
Loved loved loved everything about going to GNO for my ortho services. Dr. Nista you and your crew do exceptional work and help ppl everyday with feeling confident in their smile. Dr. Nista... from day one to the last you were always the same, made me feel welcomed every time, I appreciate that. So glad I chose you guys. My second to last visit was my favorite visit, I had Elena and she was awesome. Her personality and energy was amazing. Thank you for all that you guys do.Shakisa P.read more
Kisa P
I went to GNO for a consultation and everyone greeted me with a pleasant wave or “hello.” The office is VERY clean and they even had a tray of cookies for visitors as they left! Dr. Nista... is so down to earth and friendly, along with the other staff that I had a conversation with. I really felt welcomed!read more
Stefanie W.
I love it here! They feel like family and it’s so exciting to go there every time i have an appointment!They are the best people and so kind. I definitely recommend. And I love Elena she’s... literally the sweetest <3!!Love, Grace fawcettread more
Grace L.
Dr. Nista is awesome very nice and professional. Always available to answer questions. The Office staff is wonderful and helpful. Couldn’t ask for better place to be treated!
Christina M.
The best! I had a free consultation today and then next thing i know i got my braces put on in the next hour. Kathy and the doctor and Jennifer was so wonderful and pleasant. They all made... me felt like i was at home. Amazing place and prices are terrific!!!! I highly recommendread more
Alexis W.
Extremely welcoming, friendly, professional with state of the art equipment. Explained the entire process very well from A-Z. Excited to start Invisalign with them and get my teeth... straightened.read more
Mahmoud B.
Dr. Nista is so friendly and polite. His staff is also very polite and helpful! I know my husband will be in good hands!
Lauren S.
Everyone is friendly, they make feel welcome. The services provided is well worth the money!
IRIS D
Very polite, very helpful, Very sanitary, I will be going back and recommending them to others!
Azia M.
Currently a patient at this location and I love love love my decision to go to Greeley and Nista over all other orthodontics. They make you so comfortable , everyone is so friendly. It’s... always such a warming welcome and all the techs are very nice. Only 4 months into service and I’m so happy and can’t wait to see the finishing results Highly Recommend fr Nista .read more
Laamber L.
We were very happy with Dr. Nista and the office staff !! Everyone was friendly and pleasant ... we were extremely pleased with the treatment plan for our daughter .
shawn M.
Absolutely loved my consultation! Everyone was so nice and welcoming and made me feel extremely comfortable ! I can’t wait to get my braces put on !!
B'Diana W.
Very warm and friendly atmosphere. Also very affordable.
Sodette F.
Excellent service, great support staff and technicians! Almost sad that my treatment (invisaligners) is over. I Highly recommend GNO!! I couldn't be happier with my progress 😊
Stephanie K.
We love GNO! My daughter just recently got her braces off and her teeth look beautiful! The staff is friendly and helpful. Still have one more daughter to put in braces and wouldn’t go... anywhere else. Highly recommend.read more
Trish M.
Dr nista and his staff are so professional. Thanks to the friendly staff my daughter's teeth are coming along nicely! My daughter actually looks forward to going to the orthodontics i ... Highly Recommend GNO.read more
Ryan P.
Excellent orthodontist, they have my highest recommendation!
Michael T.
Great experience with Dr Nista and his team. This is an awesome team of professionals who always treat their customers great. I highly recommend GNO if you are looking for an orthodontist
Eric J M.
I went through the Invisalign treatment as an adult with GNO. The process was very noninvasive and the appointments were all quick.
TumblingD1C3
I absolutely love Dr. N he has made my kids feel so comfortable. The entire staff is Friendly and caring. It is a very well managed office I would definitely recommend them. Thank you... everyone at GNO for making this such a nice experienceread more
Melissa B.
Great office. Wonderful, experienced orthodontist and staff! Very caring and kind with their patients.
BUCKS COUNTY O.
I love the staff & Dr. Nista. I went to Dr. Nista when I was younger for my braces. My son will be starting treatment soon and we are excited! Excellent care with the staff!
Debra M.
I would highly recommend Dr. Nista office for ortho! I had the best experience especially having braces put on for the first time ever. Any questions or concerns I had they had no problem... answering anything and always made me feel special! Staff is amazing and Dr. Nista is just simply the best orthodontist around! Overall it was a great experience!!read more
Martina P.
My invisilign experience here was excellent. I would highly recommend Dr. Nista’s office!
Lena U.
We had a wonderful experience at GNO. Dr Nista and his entire staff were always friendly, professional, and accommodating.
Christine O.
It was an enjoyable experience with a very friendly staff. I trusted Dr. Nista’s advice and went with old-fashioned braces rather than ‘Invisiline’ for my severe overbite at age 55. I am so... glad that I did , and I love my new smile! I highly recommend them!read more
Lisa S.
We are very happy with The care and service provided by the lovely ladies here. Whenever we run into a problem with wires or brackets, we simply called and they get us in right away. They... do everything they can to ensure success, I wouldn’t send them anywhere else. As a matter of fact I’m even getting a consultation myself to get braces again!!read more
Carly C.
From the get go, Greeley & Nista Orthodontics seemed like the right choice because of the prices they offered and how organized they were. Scheduling/rescheduling visits was always easy,... estimated timelines were always given of what was left in the process of wearing braces, and I was given explanations of the changes being made to my braces during each visit.read more
Joseph O.
I would highly recommend anyone to Greeley & Nista Orthodontist, they are very friendly and make the experience very comfortable, great staff 🙂👍🏻
Jill B.
My son and I had a great experience at Greely & Nista! The staff was always so positive and caring. We highly recommend coming here!
Heather A.
I love my smile. I finished earlier than the time Dr. Nista gave me. Dr. Nista is great, funny and respectful. Great Orthodontist.
Guylaine B.
Wanted to thank Dr. Nista and his wonderful staff for my new beautiful smile!At 68 years old, I realized that after wearing a night guard for many years that my bite shifted... dramatically.I decided to consult with an orthodontist and looked at reviews on the internet and decided to have a consultation with Dr. Nista.In July the braces were taken off and I couldn't be happier!!read more
Kay C.
I got my braces here in January 2019 and my teeth look a lot better than what they did before. Great customer service and the setup of the building is very nice.
Kaleia M.
Dr Nista and his team are truly great. He has taken such good care of my family. We have four children, three of which have gone through the process of getting braces. All of their teeth... look great! Our fourth child is being treated by Dr Nista and will soon get braces. I cannot say enough about Dr Nista and his team. He addresses each of our family members by name and truly cares about his patients. He has even called me personally while we on vacation to talk to me about an issue we were having. Any orthodontist can straightened teeth, but if you want to have a great experience and feel like your a part of a family, I highly suggest talking with Dr Nista about any orthodontic work needed. Spending money on having a great smile is an investment and you cannot go wrong with investing in Dr Nista and his team!read more
Mario I.
Completed my Invisalign treatment today. I didn’t have braces as a kid and always had an overbite. As I hit my 30s my bottom teeth became very crowded which is obviously not great for... dental health. I am elated at how well my teeth have moved...even my bite! I never thought Invisalign would fix a 30+ year old bite issue and it absolutely did! Dr Nista is amazing, friendly, and kind. His staff is excellent, efficient, and very professional. As a busy working professional it was important that I get in and out timely and even when I was late the staff still accommodated. I only wish I did this sooner! I highly recommend Invisalign and Dr. Nista and team!!!read more
Brooke D.
This was such an easy treatment with the Invisalign. I got excellent results by wearing the retainers for the recommended times. I am now prepared to smile big for my daughter’s wedding in... August! Thank you to Dr. Nista and his friendly staff.read more
Ellen M.
Dr. Nista and his staff are the best! He did not take her braces off until he saw everything was perfect. Her teeth look amazing! She has a beautiful smile thanks to Dr. Nista and his... team. Thank you!read more
Kimberly S.
Exellent Practice!! They did my daughters braces and I can't say enough positive remarks to reflect the A+ quality you and your family will receive at any of their locations. I am a... Clinical Dental Hygiene Instructor in DE and we refer all of our patients to them. They are very generous as well, whether it is to give back to the community, their patients or the dental hygiene community!! Their consultations are FREE and you will not be disappointed, but impressed!! They are up on all new orthodontic treatment and are constantly learning new developing techniques. They treat their staff like family and they are always friendly, knowledgable and caring at all their locations. As a dental professional and a previous customer I feel they are definitely one of the BEST, orthodontic practices in DE!!read more
Debora M.
My 13 year old had Invisalign over braces, amazing results and he was very compliant with changing the liners. We highly recommend them!!
Jenni C.
Love the staff, the doc. Never have to wait long. My son is looking better than ever!
Laura G.
When my dentist recommended that I get braces to complete my dental program I could not imagine having them being a middle age adult. He recommended Greeley & Nista Orthodontist which I’m... glad he did. When I walked in Dr. Nista’s Office I felt like a little kid in a candy store lol. The environment was comforting and everyone was very friendly and helpful. It felt weird at first having braces but I got use to them and when you start seeing the results it’s overwhelming. Today I got my braces off and my teeth are gorgeous 😍. I highly Recommend G&N Orthodontist. Thanks to all the young ladies of GNO and Dr. Nista for making my visits fun and memorable.read more
DEIDRA D.
Both children had the most crooked teeth. GNO completely gave them million dollar smiles Dont go anywhere else!
Lyman C.
If you are an adult considering teeth straightening options here is my advice: 1. DO IT. 2. GO TO DR. NISTA! Id been to many orthos and all told me Id have to remove my wisdom teeth and... wear braces first, then invisalign and that treatment would be at least 2 years and the price options were out of my range. As a busy mom I gave up on the idea of getting my teeth straightened until my regular dentist told me I really needed to because they were getting worse with age. I finally went to Dr Nista. Dr. Nista is a Top 1% Provider of Invisalign meaning he knows the product and has tons of experience and the latest equipment and best staff. No one else has his experience in Delaware. He told me I wouldn't need to get my wisdom teeth removed, I didn't need braces and could complete treatment in 10 months - all priced LESS than the other places. As a mom, no one wants to spend money on themselves - but they made it so easy - so many payment options. Now I am done treatment and its the best decision I have ever made for myself. I have confidence to smile in pics with my kids and people always comment about how I look so much younger. If your teeth bother you - just go see Dr. Nista - you will not regret it. From the offices, the technology, the expertise and knowledge, to the staff, to Dr. Nista himself - G&N is THE place to go. DO IT.read more
L M
Dr. Nista is very good with kids , but most importantly, he is a very skilled , honest orthodontist.The office is very clean and comfortable.The staff are very professional and kind.
Suzanne B.
Braces aren't just for kids! I had a perfect smile in 7 months for my son's wedding. Invisalign is easy and GNO is great!!
anne K.
Love GNO! From my husband to our two boys, Dr. Nista goes out of his way to ensure that the right treatment fits each case so the end results are exactly what the patient wants! His staff... is super nice too!read more
Kathleen L.
We went to 3 different offices for a consultation before settling with GNO for our then 8yr old daughter. The day after her 14th birthday, she got her braces off. The entire staff is kind... and patient. Thank you for her beautiful smile!read more
Brian W.
Both Dr. Greeley and Dr. Nista are the best! They make you feel so comfortable and the office staff is great!
Adrienne “LitesMade4u” H
Dr. Nista is the best! At age 62 I decided to get Invisilign braces. My smile is perfect. Process was professional and he went the extra mile to assure with extra sets to make sure... alignment was optimal. Pleasant experience which most cannot say about braces. I actually look younger with a dazzling smile too.read more
P B
I had a great experience here, getting the results I desired with Invisalign. They have a nice professional, friendly and comforting environment, highly recommend.
Quincy W.
I have had three children go through braces at GNO and I've been happy at every visit. The staff is super friendly, they always see us on our appointment time or earlier, and Dr. Nista... couldn't be more personable! He chats with patients and parents and truly cares about everyone who comes in . I would highly recommend Greeley & Nista Orthodontics to all families in need of braces. So glad our dentist recommended GNO to us!read more
Judith F.
Friendly and efficient staff. Dr. Nista is the best.
Dawn T.
We love Dr. Nista and his team. The office is fun and friendly and always very accommodating. My daughter's teeth turned out fantastic. We are so happy with the results. The whole... process from start to finish was outstanding!read more
Stephanie G.
Dr. John Nista and his entire staff are awesome! Quality of care and making your orthodontic experience the best it can be is a priority for everyone in the practice and you know that... you are in the best hands. If it would allow me to give them 10 stars, I would. HIGHLY recommend Dr. Nista & his wonderful team!read more
DeeDee B.
Our family has had an excellent experience with Greeley & Nista Orthodontics. We've been patients for over 7 years and have been extremely happy with the service we've received. The staff... is always friendly and attentive to our needs. Dr. Nista is very knowledgeable. He has been honest and up front about the treatment we've required, all of which resulted in absolutely perfect smiles. We have one more to go and have no doubt that her smile will be as perfect as the rest of ours! We highly recommend this practice for the friendly, knowledgeable staff, the smiles and encouragement and the excellent service. You won't go wrong giving them a try!read more
Tiffani S.
always kind but straight shooters for treatment. good with kids and teenagers. would bring all my kids here.
Suzanne K.
I’ll be the first to say I didn’t know what to expect from Invisalign, someone referred for me their office and I went with it.Let’s say this! I almost wished that my treatment was longer... than 9 months, just so I can keep coming back to the office.-Greenly & Nista are professional and a wholesome group.-A friendly staff-Amenities that accommodate all age groups, from an orange juice dispenser machine to startbucks coffee.-Very clean office with Short wait times.read more
Rudy 0.
At age 51 I went to see Dr Nista about what I could do to keep the teeth I had. I had teeth pulled as a child and all my adult teeth were shifting. Dr Nista not only answered all my... questions, but confirmed that my concerns were valid. Dr Nista and his staff were there every step of the way with me and not once did I feel “too old “ to be doing braces. I just can’t say enough good things about this office. Everything from accommodating appointments to the payment plan that worked for me to the staff is A+. I wish I had taken my 2 kids there when they went through braces. But I am beyond delighted that I found Dr Nista and had such a wonderful outcome there.read more
Joanne P.
This has been an amazing process and the results have been incredible. We are really pleased with our experience. The staff is beyond friendly and seem like family. Dr. Nista listens to... his patients and addresses any concerns they have. We highly recommend them!read more
Jodi B.
I got my braces at 53! Dr. Nista and his wonderful team corrected my bite. Everyone at the office is friendly and helpful, making the experience a pleasant one. Thank you!
Pamela E.
Whoever enters Greeley & Nista’s is treated with sincere respect and genuine understanding. In my opinion, that’s not always an easy task while treating teenagers! Nonetheless, both Dr.... Greeley and Dr. Nista are remarkable and their staff are top knotch! I greatly appreciate the exceptional service provided by Dr. Nista and the niceties in his office but most of all the fact that there’s a human being behind the teeth.read more
Fran F.
This practice cares about each patient/family. You will never walk out the door feeling like you left an assembly line. The entire staff is engaging. They are genuine, honest and very... professional. In the end, you will have the best possible outcome a beautiful smile! We love Dr Greeley!!!read more
robin R.
Dr Nista and his office staff are fabulous. Everyone is so helpful and welcoming. They made my Invisalign journey a breeze and surpassed my expectations! Will definitely refer everyone to... their office.read more
Shaé C.
Dr. Nista and his staff are friendly and extremely thorough and capable. I would highly recommend them to everyone.
Susan V.
Our experience was a good one, the doctors and staff were very kind and professional, the atmosphere is a very welcoming one, although my daughters braces had to stay on longer than... expected all went well, I will be recommending Greeley and Nista Orthodontics to my family and friends.read more
Gwen G.
We used Greeley & Nista for braces on all three of our children, and were pleased with the service and the outcome for all three. The office generally runs like a well-oiled machine; never... had to wait more than 5 minutes to be taken back, and they're good about school notes, reminders, etc. Brace bucks are fun, and (my favorite) the waiting area offers free Starbucks from a fancy Keurig-type machine while you wait (hot chocolate for the kids). I highly recommend the practice.read more
Susanne K.
The office is cheery, the staff is professional, Dr. Greely is compassionate and the "brace bucks" plan (collect bucks at each visit that you can redeem for prizes) was a huge hit with my... daughter. Dr. Greely was a perfectionist, but also pragmatic in her treatment approach. I high recommend this practice!read more
Natalie W.
GNO absolutely knows what they are doing. They are an amazing group of people at all locations.
Mary B.
GNO was a great experience for our daughter! The docs and staff were positive and her smile is beautiful!
Mike L.
The staff and doctors are always friendly and helpful.
Pam D.
This orthodontist practice does meticulous work. The staff is always friendly and the place is clean and well run. Of course my and my son's outcome were both fantastic!Thanks Dr.... Greeley and Dr. Nista and all of your great staff!!!!!!!read more
Carolyn T.
GNO did a great job - Dr. Greeley and Dr. Nista were very kind and professional and I'm really happy with how my teeth turned out. I highly recommend them.
Colin S.
We had a wonderful experience at GNO. Dr's Greely and Nista were great with our son. He now has a beautiful smile!!!! We are expecting the same for our younger son who is also a... patientThey explain every step along rhe way and told us what to expect. The staff are very friendly and patient with the kids. Scheduling hours are very accommodating to students' school schedules and their office is conveniently located on Silverside Road.read more
Stephanie W.
GNO provided me with the best experience from the start! I had a host of family members that used their services in the past, so I didn't expect anything less from their personal reviews.... Dr. Nista is so friendly and his bubbly personality never changed during the course of my treatment. The night before my appointment, he called to introduce himself and prepare me for what to expect. I thought that was awesome! Their practice is extremely busy, but he still took the time out to welcome me. My treatment (utilizing Invisalign) was better than I could've ever imagined. It's so amazing to see the difference. If I had to do it all over again I would definitely go with GNO again. I would totally recommend them to anyone who inquires. GNO is more than an orthodontic office, it's a family! From the receptionists in the front to every other staff member at BOTH offices. I am going to miss not having to see them.read more
Gwendolyn T.
I had an excellent experience at Greeley and Nista! Dr. Nista was absolutely wonderful and a great doctor. Everyone in the office is always very friendly and walk you through every step of... the process. I would recommend Dr. Nista to anyone looking for a great orthodontist!read more
Gabriela V.
I had a wonderful experience at GNO! I did Invisalign and I am so happy with the results!
Katie G.
I had an excellent experience with Drs. Greeley and Nista. My daughters were model patients and were in and out in no time. My son was a little more demanding on his orthodontics and had... to be handled a bit more. Through it all the staff was excellent, welcoming and informative. Thanks.read more
Al W.
Dr. Nista is not only an amazing orthodontist, he is a role model for many other orthodontists including myself. I feel greatful to be in the same study group as him, and have learned a... ton. I am sure his patients and community understand how lucky they are to have him!read more
Ben F.
Drs. Greeley and Nista and their entire staff are welcoming and very professional. They are very easy to work with and helpful when trying to schedule appointments around school activities... and sports. They were very thorough in explaining the plan for my daughter's orthodontic care and were always available to discuss any concerns. The extra incentives such as T-shirts, brace bucks and prizes made the experience more enjoyable for my daughter as well. Little sister will be a new patient soon. Would highly recommend to anyone!read more
Allison D.
I had an excellent experience at Greeley and Nista Orthodontics. Dr. Nista and his staff are the best! They made the entire process (for an adult needing braces) as easy and painless as... it could possibly be. Everyone in the office is welcoming, helpful, and friendly. Appointments are easy to make because they are efficient workers, respectful of your time, and very accommodating to work schedules. I couldn't be happier with the experience or results. I would definitely recommend them!read more
Nicole B.
Before I was afraid to smile because of my teeth now I smile more than anything.
Xochitl F.
From the moment we walked in the door we were greeted with smiles. If we had a question or concern they were just a phone call away. The whole staff was very helpful and they make the... kids feel right at home. The kids are fully engaged and really the center of the process. From automated signin that the kids take care of , to Brace bucks, to the drag squeezed orange juice that the kids can do themselves... They are truly a part of their own treatment. Would highly recommend!!!read more
Jane S.
We love Greeley & Nista. Both my son and my daughter did their Orthodontic treatment at GNO. The staff there is so nice and Dr. Greeley and Dr. Nista are wonderful. We recommend GNO to... all our friends. Dr. Nista really cares about his patients. He gets to know them as people. Best of all their teeth look great.read more
Deborah M.
I had the opportunity to be treated by Dr Nista & Greeley and they're both amazing Orthodontist, they attended to my concerns w/urgency during my treatment, as well as treated me like a... friend. My teeth were perfect for my wedding. Thank you bothread more
Rosa B.
We had a great experience with Greeley and Nista. The staff was professional and caring throughout the entire process. My child's teeth are beautiful. She is very pleased. Highly... recommend Greeley and Nista.read more
Trish Y.
I had known Dr. Nista and his team for over 5 years; I love to go there and I am definitely going to miss them, everyone is so friendly, professional, and passion about their profession.... Thank to Dr. Nista and his team dedication my daughter 's teeth are perfect. I recommend Greeley and Nista Orthodontics to anyone who needs or want beautiful or perfect teeth, he is certainly not a regular doctor he is a great doctor!read more
Maria H.
Every person in our family has been treated by Dr. Greeley. She is a kind, caring, highly skilled orthodontist. I cannot recommend her practice enough.
Beth S.
We loved the personal treatment our daughter received at GNO. We treated so well as an entire family. Even spending time in the waiting room was a pleasure, with fresh squeezed orange... juice which you could make yourself -- as an extra touch to let the patients know that the folks at GNO were interested in our overall well-being!!read more
Michael B.
my experience at Greeley and Nista was amazing. The place had a very warm and welcoming atmosphere and the everyone there was extremely well trained. I would recommend this place for anyone... who is looking for an orthodontists.read more
Riley S.
i loved my experience at GNO. great people who really care about what they are doing.
Owen L.
Dr. Greeley is the sweetest to work with. She turned my crooked smile into a million dollar smile with the help of Invisalign. All ages are welcomed!
Jamila C
The team was very warm and professional. Drs. Greeley & Nista were great with kids. We had good experience with them. Excellent service!
Zhaoping H.
The whole process was great at Greeley & Nista Orthodontics. I'm extremely happy with my results, and a little sad I don't have a reason to come into the office anymore! The staff all... around are very helpful and knowledgeable through the whole process. Dr. Nista is a great guy, always making an extra effort to connect with patients. I will absolutely be recommending them to anyone I know needing orthodontia in the future!read more
Thomas A.
Amazing experience and results with Dr.s Greeley and Nista.The staff is very kind and pleasant from first office visit to the last.Highly recommend!
Beth L.
Greeley & Nista Orthodontics is a well-run, highly professional practice. The office staff are knowledgeable, friendly and dedicated. As the parent of two patients with treatment spanning... 6+ years, it is clear to me that the practice has a great culture of respect for patients, parents, and staff. Kudos to Drs. Greeley and Nista. I am reminded of what great orthodontists they are every time my daughters smile!read more
Tanya L.
I had a great experience with Greeley & Nista Orthodontics. Everyone on the staff was friendly and courteous. Dr. Nista was enthusiastic and seemed to genuinely care about my progress and... outcome. I was always able to schedule appointments at times that were convenient for me and I was never kept waiting past my appointment time. I am very happy with my results as well!read more
Kristen F.
We were very pleased with the service and the care that Shelby received. The staff were very friendly and professional and we would highlyrecommend Greeley and Nista Orthodontics to... anyone who needs Orthodontic care.read more
Dave F.
I decided to have my teeth straightened in my 30s and after looking at several places and asking for recommendations, I found Greeley and Nista. They have a fantastic reputation in the area... and now after completing treatments I know why. Everyone in the office is kind, friendly, and welcoming every time you visit. Each person that you meet with knows who you are and where you are in your process. I choose Invisalign, with Dr. Nista's advice, and received fantastic and individualized guidance throughout the treatment. I always knew what I was suppose to be doing, why, and what the next steps were. On top of that - my teeth look great! I was never terribly bothered by my smile, but now I'm quite proud of it - it was absolutely worth it.When asking for recommendations one dentist said that anyone can get the front teeth straight, but you can tell which patients are Dr. Nista's because even the back teeth are perfect. This was a great choice for me and I'm really happy with the results!read more
Professor Christine D. A.
I had a great experience with my braces done at relatively at older age. It is amazing how different my face looks before and after Dr. Nista's treatment. I am happy .
Sufia K.
Our family has traveled through the many stages of Orthodontics at Dr. Greeley and Dr. Nista's office for over 10 years. We now have three daughters with beautiful smiles. Each and every... appointment was a pleasant experience thanks to the wonderful staff and Orthodontists. We highly recommend Dr. Greeley and Dr. Nista!read more
Brian S.
Drs. Greeley and Nista were recommended to my family by our primary dentist over 12 years ago. I've taken all three of my daughters there and the last one just got her braces off today!... Everyone of the staff members made us feel at home from the very first consultation. They're all so professional and community focused. They provided great incentives for their patients to keep up with their care and always created a fun and welcoming environment. Their offices are a half hour away from my home in PA and there are a lot of closer choices that I could've made, but I wouldn't have changed a thing. Drs Greeley and Nista have provided my daughters with the greatest gift possible...beautiful smiles :)!read more
Shaila G.
Dr. Greeley and her staff at Greeley and Nista Orthodontics provided me the highest level of care and attention. They always made me feel welcome and comfortable in their office. Dr.... Greeley and her staff are very skilled professionals, and I am very happy with my new smile. Thank you so much!!read more
Patty J.
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