About Jon J.P. Warner, MD

Our mission is to provide state of the art patient care based on evidence, measurement of outcomes and transparency, with the primary focus being what is in the best interest of the  patient.

Jon J.P. Warner, MD is Co-Chief of the Mass General Shoulder Service. He came to Boston in April of 1998 from the University of Pittsburgh Medical Center where he served as Chief of the Shoulder Service for eight years. He is also Co-Chair for Quality and Safety and Professor of Orthopaedic Surgery at Harvard Medical School and the Founder and Past President of the New England Shoulder and Elbow Society. He served as President of the American Shoulder and Elbow Society (ASES) in 2012. He has authored over 300 peer review publications, more than 200 book chapters and 5 textbooks in shoulder surgery. His clinical and basic research has been recognized by more than 30 regional, national and international awards.

He is Board Certified in Orthopaedic Surgery and is a member of numerous specialty societies including the Orthopaedic Research Society, the American Shoulder and Elbow Surgeons, the American Orthopaedic Society for Sports Medicine and the Arthroscopy Association of North America.

He is also a graduate of Harvard Business School.

Dr. Warner's clinical interests include all aspects of problems related to the shoulder, but with a special interest in management of complex problems and failed treatments.

For more information please go to bostonshoulderinstitute.com.

Departments, Centers, & Programs:

Clinical Interests:




Shoulder Service at Mass General Waltham
52 Second Ave.
3rd Floor, Suite 3300
Waltham, MA 02451
Phone: 617-724-7307

Mass General Orthopaedics
55 Fruit St.
Yawkey Center for Outpatient Care
Boston, MA 02114
Phone: 617-726-2784

Medical Education

  • MD, University of Rochester School of Medicine
  • Residency, Harvard / MGB Combined Training Program*
  • Residency, Strong Memorial, Univ. of Rochester
  • Fellowship, Boston Children's Hospital
  • Fellowship, Cornell - Hospital For Special Surgery

American Board Certifications

  • Orthopaedic Surgery, American Board of Orthopaedic Surgery

Accepted Insurance Plans

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.


Outcomes Research: The focus of our research is to analyze all outcomes in order to improve care. Our prospective registry allows us to measure patient-reported outcomes including the process of recovery, the amount of pain and improved function, and the durability of the recovery. Together with other analysis of groups of patients our focus is to improve the value of the care delivered to all patients with shoulder problems.


  • Select publications:

    • Woodmass JM, Wagner ER, Borque KA, Chang MJ, Welp KM, Warner JJP:  Superior Capsular Reconstruction using derman allograft: Early outcomes and survival.  J Shoulder Elbow Surgery. 2019, June;28(6S):S100-109.
    • Wagner ER,  Chang MJ, Welp KM, Solberg MJ, Hunt TJ, Woodmass JM, Higgins LD, Warner JJP: The impact of reverse prosthesis on revision shoulder arthroplasty: analysis of a high-volume shoulder practice. J Shoulder Elbow Surg. 2019 Feb;28(2):e49-e56.
    • Menendez ME, Lawler SM, Shaker J, Bassoff NW, Warner JJP, Jawa A: Time-Driven Activity-Based Costing to identify Patients Incurring High Inpatient Cost for Total Shoulder Arthroplasty. J Bone Joint Surg AM. 2018 Dec 5;100(23):2050-2056.
    • Woodmass JM, Welp KM, Chang MJ, Borque KA, Wagner ER, Warner JJP: A reduction in the rate of nerve injury after Latarjet: a before-after study of neuromonitoring. J Shoulder Elbow Surg. 2018 Dec;27(12):2153-2158.
    • Wagner ER, Woodmass  JM, Welp  KM, Chang  MJ, Elhassan  BT, Higgins LD, Warner, JJP: Novel Arthroscopic Tendon Transfers for Postero-superior Rotator Cuff Tears: Latissimus Dorsi and Lower Trapezius Transfers. JBJS Essent Surg Tech 2018 Apr 25;8(2):e12.
    • Woodmass JM, Wagner ER, Chang MJ, Welp KM, Elhassan BT, Higgins LD, Warner JJP: Arthroscopic treatment of Massive Postero-superior Rotator Cuff Tears ;A Critical Analysis Review.  JBJS Rev. 2018 Sep;6(9):e3.


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