Orthopaedic & Neurosurgery Specialists

40 Valley Drive, 6 Greenwich Office Park, Greenwich, CT 06831, United States

(203) 869-1145(203) 869-1145

6 Greenwich Office Park, Greenwich, CT 06831, USA

(203) 869-1145(203) 869-1145

Dr. Katherine Vadasdi, MD

Orthopedic Surgeon

Greenwich, CT

In-network insurances:

Workers' Compensation, Golden Rule, Medicare, Medicaid, Cigna, Blue Cross Blue Shield, Emblem Health, Aetna, Anthem, Oxford, United Healthcare, ConnectiCare

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Voro score

100% recommended

3 out of 3 patients recommend this doctor after their visit.


3 neighbors


Director of the ONS Women’s Sports Medicine Center, Katherine Vadasdi, MD is an orthopedic surgeon who is fellowship trained in adolescent and adult sports medicine as well as shoulder and elbow surgery. Dr. Vadasdi graduated Dartmouth College and earned her medical degree at Dartmouth Medical School. She performed a residency in orthopedics at the Hospital for Special Surgery (HSS) in New York and completed fellowship training in shoulder, elbow and sports medicine at Columbia University Medical Center, Department of Orthopedics. While at Columbia she was assistant team physician to Columbia University Athletics. Dr. Vadasdi has been honored as a Castle Connolly America’s Top Doctor and Fairfield County Top Doctor annually since 2014. In 2017, she was the recipient of the Fairfield County’s Doctor of Distinction Award. As member of the Board of Directors at the ONS Foundation for Clinical Research and Education, Dr. Vadasdi is active in ongoing research, including the current groundbreaking study to curb opioid addiction among teens and athletes. She has been published in numerous prestigious industry journals such as the Journal of Shoulder and Elbow Surgery and the Journal of Orthopaedic Trauma. Additionally, Dr. Vadasdi serves as a mentor through the Foundation’s Research and Summer Internship Programs and during the Mini-Med School program, which provides 15 high school students the opportunity to participate in a one week workshop in orthopedics. Dr. Vadasdi serves as the designated team doctor for Greenwich High School, Iona Preparatory School, Trinity Catholic High School and Convent of the Sacred Heart, and is a frequent guest speaker for local organizations, parent groups and at medical conferences. She participates on a number of committees and boards, including the Greenwich Hospital Women’s Health Initiative Board of Directors and the Hospital’s Peer Review Board. Dr. Vadasdi’s area of medical specialty reflects her personal interests. She is an accomplished triathlete, having completed Ironman competitions in 2007 and 2009. Dr. Vadasdi is also an alpine climber and has ascended Mount Kilimanjaro, Mount Rainier and the Grand Teton, among others.



Dartmouth Medical School, MD, 2004
Dartmouth College, BS, 2000


Orthopaedic Surgery - Orthopaedic Sports Medicine


Hospital for Special Surgery, 2008 (residency)
Columbia University Medical Center, 2009 (fellowship)
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How was your experience with the doctor?Great doctor, makes herself available. Excellent bedside manner and follow up.
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