Michael Lee Knudsen MD
Elbow Surgery, Orthopedic Sports Medicine, Shoulder Surgery
Assistant Professor of Orthopedic Surgery, Columbia University Medical Center - New York Presbyterian Hospital
693 White Plains RdEastchester, NY 10709
Overview of Dr. Knudsen
Michael L. Knudsen, MD is a board-certified orthopedic shoulder and elbow surgeon at Columbia University Medical Center and NewYork-Presbyterian. He specializes in the treatment of complex shoulder and elbow conditions, including rotator cuff tears, shoulder instability, arthritis, fractures, sports injuries, and primary and revision shoulder arthroplasty.
Dr. Knudsen combines high-level academic expertise with extensive experience caring for athletes and active patients. He currently serves as Assistant Team Physician for Iona University and has previously provided orthopedic coverage for the Minnesota Twins, St. Paul Saints, Columbia Athletics, and the New York Yankees.
As an academic surgeon, Dr. Knudsen is active in research, education, and national specialty leadership. He has published widely in shoulder, elbow, and sports medicine, mentors fellows and trainees at Columbia, and serves in editorial and committee leadership roles with JBJS, AAOS, and the American Shoulder and Elbow Surgeons. He is committed to delivering precise, evidence-based care and helping patients regain function, reduce pain, and return confidently to sport, work, and life.
Education & Training
Columbia University Vagelos College of Physicians and SurgeonsShoulder and Elbow Surgery, Shoulder and Elbow Surgery Fellowship, 2018 - 2019
University of MinnesotaResidency, Orthopaedic Surgery, 2013 - 2018- University of Minnesota Medical SchoolClass of 2013
Certifications & Licensure
NY State Medical License 2018 - 2028
NJ State Medical License 2021 - 2027
MN State Medical License 2019 - 2022
American Board of Orthopaedic Surgery Orthopaedic Surgery
Awards, Honors, & Recognition
- Herodicus Travelling Fellowship Herodicus Society, 2020
- Gustilo Research Resident Award for Best Scientific Paper University of Minnesota, 2018
Publications & Presentations
PubMed
- Outcomes of reverse total shoulder arthroplasty in patients ≤65 years old.Kyle K Obana, James Y Chen, Doria L Weiss, Andrew J Luzzi, Michael L Knudsen
Journal of Shoulder and Elbow Arthroplasty. 2026-09-01 - Injury and Economic Burden of Shoulder and Elbow Injuries in Major League Baseball Pitchers: A Retrospective 11-Year Analysis (2015-2025).Morgan R Dillon, Michael A Mastroianni, Nicholas Frappa, Joseph Manzi, Danil V Chernov
Orthopaedic Journal of Sports Medicine. 2026-07-01 - Factors Associated With Cumulative Shoulder and Elbow Injury Burden: A Retrospective Cohort Study of 1445 Major League Baseball Pitchers (2015-2025).Morgan R Dillon, Michael A Mastroianni, Nicholas Frappa, Joseph Manzi, Andrew J Luzzi
Orthopaedic Journal of Sports Medicine. 2026-06-01
Press Mentions
- 7 Ways Exercise Makes You Happy — and How Much You Need to Improve Your MoodNovember 10th, 2020
Hemiarthroplasty and Total Shoulder Arthroplasty Conversion to Reverse Total Shoulder ArthroplastyJune 6th, 2020
Professional Memberships
- Member
- Member
- American Shoulder and Elbow SurgeonsMember
- Member
External Links
- Columbia Orthopedics Profilehttps://www.columbiaortho.org/profile/michael-l-knudsen-md
- Columbia Doctors Profilehttps://doctors.columbia.edu/us/ny/new-york/michael-l-knudsen-md-622-west-168th-street
- NYP Doctors Profilehttps://doctors.nyp.org/michael-l-knudsen-md/newyork-presbyterian-westchester
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