Urgent Ortho Care in Wilton will be closed on Saturday, July 13th. We invite you to visit our Greenwich location, which will be open for Urgent Ortho Care from 12 p.m. to 4 p.m.

Katherine B. Vadasdi, MD

Director of the ONS Women's Sports Medicine Center
Specialties
Sports Medicine
Located In

Greenwich, Stamford

About

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 from 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 Regional Top Doctor annually since 2014. In 2017, she was the recipient of the Fairfield County Doctor of Distinction Award and was named among the Exceptional Woman in Medicine by Castle Connolly. In 2019, Dr. Vadasdi was honored with a Women Who Inspire award from the Greenwich YWCA.

Aetna
  • Commercial Plans (Including APCN Plus, We do not accept regular APCN)
  • Managed Medicare
Anthem Blue Cross Blue Shield of CT
  • Commercial and Exchange
  • Managed Medicare
Blue Cross Blue Shield (Plans Outside CT)
  • Cards with the “PPO” inside the suitcase logo
CarePartners of Connecticut
  • Managed Medicare (HMO/PPO)
Cigna
  • Commercial, MetroNY, and LocalPlus
  • Cigna+Oscar, Cigna+MVP (CT Locations Only)
ConnectiCare
  • Commercial and Exchange (Except “Value” Network)
  • Managed Medicare
Connecticut Medicaid
Connecticut State Workers’ Compensation
EmblemHealth
  • Emblem Commercial and Exchange (Except for Millennium and Enhanced Care Prime Networks)
  • Managed Medicare (VIP Prime, Bold, Reserve)
Harvard Pilgrim
  • Through United Shared Services – ONS Harrison location only.
Medicare (Including Railroad Medicare)
Oxford
  • Liberty and Freedom Plans
UHC/NYSHIP/NY Government Empire Plan
United Healthcare
  • All Commercial Plans (Except Indemnity and Compass)
  • Managed Medicare

Orthopaedic & Neurosurgery Specialists (ONS) accepts most major insurance plans. Please see the list of accepted insurance plans above and confirm that ONS participates with your plan prior to scheduling an appointment. Certain insurance plans are limited to specific regions and physicians. If you have additional questions, please call our offices at (203) 869-1145 ext. 279 and our team will be happy to provide additional information.

Fellowship

Fellowship in Orthopaedic Sports Medicine: Columbia University Medical Center, New York, NY

Medical School

Dartmouth Medical School, Hanover, NH

Residency

Hospital for Special Surgery, New York, NY

College

Dartmouth College, Hanover, NH

  • American Board of Orthopaedic Surgery: Orthopaedic Surgery Board Certification

As a 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, including the Mini-Med School program, which provides 15 high school students the opportunity to participate in an orthopedic workshop.

Dr. Vadasdi is the designated team doctor for Greenwich High School, Iona Preparatory School, Convent of the Sacred Heart and many local public schools. She is a frequent guest speaker for local organizations, parent groups and at medical conferences. Dr. Vadasdi 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 who has ascended Mount Kilimanjaro, Mount Rainier and the Grand Teton, among others.

Memberships
  • American Academy of Orthopaedic Surgeons
  • American Orthopaedic Society for Sports Medicine
  • Connecticut Orthopaedic Society
  • Ruth Jackson Orthopaedic Society
Team Physician Responsibilities
  • Columbia University Athletics, Assistant Team Physician, 2008–2009

  • Castle Connolly Exceptional Women in Medicine, 2017–2021
  • Darien/New Canaan Magazine Top Doctor in Fairfield County, 2015–Present
  • Stamford Magazine Top Doctor in Fairfield County, 2015–Present
  • Westport Magazine Top Doctor in Fairfield County, 2015–Present
  • Castle Connolly Top Doctor in New York Metro Area 2014–Present
  • Greenwich Magazine Top Doctor In Fairfield County, 2013–Present
  • America’s Most Honored Professionals (Top 1%), 2019
  • Greenwich YWCA Women Who Inspire Award, 2019
  • Fairfield Magazine Top Doctor, 2015–2018
  • Doctor of Distinction Female Trailblazer Award, 2017
  • 40 Under 40 WAG/FFCBJ Award, 2014

  • Carolyn M. Hettrich, MD, MPH, Edward F. DiCarlo, MD, Deborah Faryniarz, MD, Katherine B. Vadasdi, MD, Riley Williams, MD, Jo A. Hannafin, MD, PhD. The Effect of Myofibroblasts and Corticosteroid Injections in Adhesive Capsulitis. 1274-1279. Journal of Shoulder and Elbow Surgery (25) 2016.
  • Sethi, P.M.; Vadasdi, K.; Greene, R.T.; Vitale, M.A.; Duong, M.; Miller, S.R. Safety of open suprapectoral and subpectoral biceps tenodesis: an anatomic assessment of risk for neurologic injury. J Shoulder Elbow Surg. (In Press, 2014)
  • Graft-Tunnel Incorporation Following ACL Reconstruction: A Prospective Longitudinal MRI Study, Weber, Alexander E.; Delos, Demetris; Vadasdi, Katie; Fox, Alice J.; Lamikanra, Opeyemi E.; Ji, Andrew; Nguyen, Joseph; Cavanaugh, John; Potter, Hollis; Rodeo, Scott A. Knee; Tissue & Organ Imaging (Radiographic; MRI; CT); Ligament and Tendon Biology; Ligament and Tendon Mechanics, Transactions Vol. 36, Long Beach, CA, 2011 0903
  • Adhesive Capsulitis: A Quantitative Analysis of Myofibroblast Proliferation, Hettrich, Carolyn M.; DiCarlo, Edward; Vadasdi, Katie; Williams, Riley; Hannafin, Jo A., Shoulder and Elbow; Orthopaedic Pathology; Ligament and Tendon Biology, Poster No. 517 • ORS 2011 Annual Meeting
  • Sethi, P.M.; Vadasdi, K.; Greene, R.T.; Vitale, M.A.; Duong, M.; Miller, S.R. Safety of open suprapectoral and subpectoral biceps tenodesis: an anatomic assessment of risk for neurologic injury. J Shoulder Elbow Surg. (In Press, 2014)
  • Graft-Tunnel Incorporation Following ACL Reconstruction: A Prospective Longitudinal MRI Study, Weber, Alexander E.; Delos, Demetris; Vadasdi, Katie; Fox, Alice J.; Lamikanra, Opeyemi E.; Ji, Andrew; Nguyen, Joseph; Cavanaugh, John; Potter, Hollis; Rodeo, Scott A. Knee; Tissue & Organ Imaging (Radiographic; MRI; CT); Ligament and Tendon Biology; Ligament and Tendon Mechanics, Transactions Vol. 36, Long Beach, CA, 2011 0903
  • Adhesive Capsulitis: A Quantitative Analysis of Myofibroblast Proliferation, Hettrich, Carolyn M.; DiCarlo, Edward; Vadasdi, Katie; Williams, Riley; Hannafin, Jo A., Shoulder and Elbow; Orthopaedic Pathology; Ligament and Tendon Biology, Poster No. 517 • ORS 2011 Annual Meeting
  • Arthroscopic Treatment of Posterior-Inferior Multidirectional Instability of the Shoulder, Marion C, Vadasdi K, Ahmad CS: Operative Techniques: Shoulder and Elbow Surgery: Lee, Neviaser, Editors: Elsevier, Illinois, 2011
  • Open Treatment of Anterior-Inferior Multidirectional Instability of the Shoulder, Vadasdi KV, Marion C, Bigliani LU. Operative Techniques: Shoulder and Elbow Surgery, Elsevier, 2011
  • Open Instability Repair: The Anterior-Inferior Capsular Shift. Bahu, Maher J; Covey, Aaron S; Vadasdi, Katie B; Bigliani, Louis U.Operative Techniques in Orthopaedics. 18(1):62-67, January 2008
  • The Two-Step Maneuver for Closed Reduction of Inferior Glenohumeral Dislocation (Luxatio Erecta to Anterior Dislocation to Reduction) Nho, Shane J. MD; Dodson, Christopher C. MD; Bardzik, Katherine F. MD; Brophy, Robert H. MD; Domb, Benjamin G. MD; MacGillivray, John D. MD. Journal of Orthopaedic Trauma. 20(5):354-357, May 2006.
  • Wrist Injuries in Elite Tennis Players. Vadasdi, Katherine Bardzik. MD; Weiland, Andrew MD. ATP Players’ Weekly.
  • PDR Pediatric Orthopaedic Review: Pediatric chapter of a specialty-based Orthopaedic review manual for PDR application. Authors;Katherine B. Vadasdi, Daniel W. Green. Complete Orthopaedic Review. Submitted.
  • Bone Tunnel Widening Following ACL Reconstruction. Prospective study with bioabsorbable interference screws. Investigators: Scott Rodeo, Katherine B. Vadasdi, Ross Henshaw, Benjamin Ma, Hollis Potter, Robert Schneider. In preparation.
  • Adhesive Capsulitis: A Quantitative Analysis of Myofibroblast Proliferation. Investigators: Jo A. Hannafin, Katherine B. Vadasdi. A prospective quantitative analysis of myofibroblast activity in adhesive capsulitis. In preparation.
  • Intramuscular Injection of Botulinum toxin-A as an adjunct to Surgical Repair of a Chronic Proximal Hamstring Rupture. A Case Report. Investigators: Katherine B. Vadasdi MD, Robert H. Brophy MD, Anthony V. Mollano MD, Andrew J. Weiland MD, Stephen Fealy MD, and John T. Cavanaugh. In progress.
  • Bone Tunnel Healing: A prospective MRI Evaluation. Investigators: Scott A. Rodeo, Katherine B. Vadasdi. In progress.
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