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With 18 sub-specialty trained physicians in orthopedics, neurosurgery, sports medicine and physical medicine/rehabilitation, ONS is the biggest, most comprehensive practice of its kind in Fairfield and Westchester counties. ONS Orthopedic Center physicians diagnose and treat the full spectrum of musculoskeletal conditions from minor strains and stress fractures to degenerative arthritis.
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Reviews (10)
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Christine Konczewski
Jun 05, 2022
My knee replacement surgery with Dr. Kavanagh has been a very positive experience from the initial visit through the post-op visit. He took as much time as needed to inform me about the procedure and answer all my questions. The entire team, both in the office and the hospital, are caring professionals who were always available to explain what was happening and took excellent care of me.
Tami Krom
May 17, 2022
I cannot say enough positive things about Dr Simon! He has been on top of my medical issues from the second I walked in the office for the first time to current. He has done 3 of my surgeries and has done an amazing job each time. My expectations for doctors over recent years have unfortunately declined, but Doctor Simon has far exceeded any expectations.

He has never once rushed through an appointment, he takes his time, explains everything and makes sure I understand, he has always treated me like a person and not just a number. His follow ups/check ins in the hospital after surgery amazes me. He goes above and beyond. I only wish that he did hip surgeries as well. He's my medical hero and I am very grateful to have him as my surgeon! T. Larsen
Jeff Poarch
Feb 19, 2022
Best orthopedist there is in my opinion. My shoulder felt like new after rotator cuff surgery with Dr Sethi. Hadn't been able to throw overhand in 15 years until the surgery, now I can wind up like Mariano Rivera.
Beth Brandes
Feb 10, 2022
ONS is excellent! Dr. Miller is very professional and knowledgeable. He performed complete shoulder replacement on me in 2018. The surgery and recovery went extremely well! I definitely recommend ONS.
Lisa Luciano
Feb 08, 2022
I recently had a full knee replacement done by Dr. Kavanagh. He and his staff are professional and patient. They answered all my questions and made the experience as easy as possible. They helped me every step of the way from the preparation through the surgery and recovery. I now have a new knee and will be going back to have Dr. Kavanagh do the other one as I know I will be in good hands.
James Hayes
Jan 24, 2022
Dr Berliner was fantastic. My son had a hip labrum revision by Dr Greene. Local Dr messed him up. So I decided to also drive 2.5 to ONS. My appointment was with Dr Berliner. Filled me with confidence that there way be a solution to fix my hip replacement issues. Highly recommend ONS, and all of their Drs.
Bernetta Gordon
Jan 18, 2022
Dr. Seth Miller performed my total shoulder replacement and rotator repair in January, 2021. I had total confidence in his ability, as he took the time to explain the entire procedure, and answered every question I had before I had the chance to ask. His staff is excellent and very responsive. The recovery was incredible. I did what I was told, from my arm exercises to physical therapy. I just saw him for my 1 year follow up and I am thrilled.
Pat Hill
Jan 16, 2022
I had a knee replacement in October by Dr. Berliner at Greenwich Hospital. Having never had elective surgery I was worried about making the right decision. My experience was as good as I could expect, from the explanation of what was to be done and how with Dr. Berliner to care at the hospital and the follow up and rehab. I felt encouraged every step of the way. Dr. Berliner made himself available for any and all questions and concerns along the way. Subsequent to my surgery, I have heard from others who had Dr. Berliner replace their knees and hips and also gave him high marks.
Elisabeth Post-Marner
Jan 13, 2022
I had a fantastic experience with Dr Berliner. A doctor I had previous seen recommended that both knees be replaced even though I wasn't in pain and could do daily walks and horse riding without pain except occasionally after a rigorous ski trip Dr Berliner gave me a great regimen that I could do in preparation for the times my knees would be subject to stress and told me I didn't have to think of knee replacement at this time
Laura Gold
Dec 11, 2021
Great Experience! We were looking for Urgent Care for my son who injured his ankle, but were hoping to avoid an Urgent Care facility or ER. We were able to get a same day appointment at ONS with Dr. Hindman. The office staff is so nice and efficient. We saw the doctor, had x-rays taken, and then consulted again with the doctor in a very timely manner. Dr. Hindman patiently answered all our questions!