Tristan Weir, M.D.

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Philadelphia Hand to Shoulder Center
1888 Marlton Pike East
Cherry Hill, NJ  08003

Practice Philosophy

Dr. Weir is a dual fellowship-trained hand and shoulder & elbow surgeon that treats all conditions affecting the upper extremity. His training as a hand surgeon has prepared him to treat the most complex shoulder and elbow conditions. He takes a patient-centered approach with shared decision making to provide the best treatment approach for each individual patient. He believes understanding the patient’s story is the key to a successful physician-patient relationship and treatment outcome. Whether he is treating debilitating shoulder arthritis or an on-field injury, Dr. Weir is eager to get patients back to the activities that bring them joy.

Educational Background

After moving from his hometown of Philadelphia to Southwest Florida, Dr. Weir completed his undergraduate and medial training at Florida State University. Eager to return to his home after medical school, Dr. Weir completed his Orthopaedic Surgery Residency at the University of Maryland Medical Center and the world-renowned R. Adams Cowley Shock Trauma Center in Baltimore. He finally returned to Philadelphia for his year-long hand surgery fellowship at the Philadelphia Hand to Shoulder Center/Thomas Jefferson University. He elected to complete a second year-long fellowship in shoulder and elbow surgery at the Mayo Clinic in Rochester, MN. After training, Dr. Weir finally returned to Philadelphia to improve the lives of his hometown community.

  • Bachelor of Science – Florida State University
  • Medical School – Florida State University College of Medicine
  • Residency, Orthopaedic Surgery – University of Maryland Medical Center/R. Adams Cowley Shock Trauma Center
  • Fellowship, Hand Surgery – Philadelphia Hand to Shoulder Center/Thomas Jefferson University
  • Fellowship, Shoulder & Elbow Surgery – Mayo Clinic, Rochester, MN

Clinical Practice

As a dual-fellowship-trained orthopaedic shoulder, elbow, and hand surgeon, Dr. Weir treats all conditions of the upper extremity from the collar bone to the fingertip. He has a special interest in routine and complex shoulder and elbow conditions. Dr. Weir is one of few surgeons that have completed two year-long fellowships in shoulder/elbow and hand surgery. This gives Dr. Weir a different perspective that considers the entire upper extremity to provide the best treatment possible to his patients. While he treats simple and complex hand conditions, Dr. Weir has a special focus on reconstructive and arthroscopic treatments for shoulder and elbow conditions.

Shoulder conditions:

  • Rotator cuff: including tendon transfers (lower trapezius and latissimus transfer) and superior capsular reconstruction (SCR)
  • Shoulder instability or hyperlaxity: arthroscopic and open
  • Trauma: any humerus fracture, scapula fracture, clavicle fracture, shoulder (AC) separation, sternoclavicular joint disorders
  • Arthritis: anatomic total shoulder replacement, reverse shoulder replacement, infections, custom implants, allograft prosthetic composite reconstruction, megaprosthesis
  • Frozen shoulder
  • Scapular disorders: winging, dyskinesis

Elbow conditions:

  • Sports conditions:
    • Elbow instability: lateral and medial ligament repair/reconstruction (“Tommy John”)
    • Distal biceps/triceps ruptures
    • Tennis and golfer elbow
    • OCD lesions
  • Trauma: any elbow injury
  • Arthritis:
    • Elbow arthroscopy (osteocapsular arthroplasty)
    • Interposition arthroplasty
    • Total elbow arthroplasty: including primary and complex revision reconstructions
  • Stiff elbow: contracture release (open and arthroscopic)
  • Nerve conditions around the elbow

Research Interests

Dr. Weir serves as the Co-Director of Research at the Philadelphia Hand to Shoulder Center. He has over 50 peer-reviewed journal articles, a dozen book chapters, and has presented over 60 research projects. He has grant funding for multiple prospective research studies from the Orthopaedic Research and Education Foundation and the Hand Rehabilitation Foundation. He is a reviewer for the Journal of Shoulder and Elbow Surgery and HAND. He is a member of the Abstract Review Committee for the ASES. He has won numerous awards for his research at the regional and national level. Dr. Weir believes research and patient care are closely related, as every patient’s experience can help shape our understanding and treatment of various conditions.

Societies, Academic Awards, and Recognition

Dr. Weir is heavily involved in national societies. He has served on the Board of Directors for the AAHS, is an active committee member of the ASES, and has served as the Resident Delegate of the AAOS. Locally, Dr. Weir has served on the Orthopaedic Comprehensive Quality Improvement Committee to improve the safety and quality of care offered to patients at his hospital. Dr. Weir remains actively involved in national societies to ensure he is bringing the latest and best available evidence to the care of his patients.

Dr. Weir has been recognized with numerous local, regional, and national awards. He was the recipient of the prestigious 2024 Bernard F. Morrey Award for his work on total elbow arthroplasty, which is the highest honor awarded by the ASES for research in elbow surgery. He has received numerous awards, including the AAOS Fellow of the Month, the Ulrich Resident Research Award for excellence in research during residency. He was selected as the Administrative Chief Resident of his residency program and was the Junior Resident of the Year. In medical school, he was inducted into the Alpha Omega Alpha Honor Medical Society for academic excellence.

Personal Life

Dr. Weir was born Philadelphia but moved to Southwest Florida as a child. He grew up playing ice hockey, but began powerlifting early in high school, setting a Florida State Squat Record for the USAPL. He ultimately transitioned to running, cycling, and swimming, and understands what injuries mean to athletes that want to get back to their sport. In his free time, Dr. Weir enjoys spending time with his wife and son, training for marathons and road cycling races, and traveling.

Certifications and Professional Societies

  • Board Eligible – American Board of Orthopaedic Surgery (ABOS)
  • Candidate Member – American Shoulder and Elbow Surgeons (ASES)
  • Candidate Member – American Society for Surgery of the Hand (ASSH)
  • Candidate Member – American Association for Hand Surgery (AAHS)
  • Candidate Member – American Academy of Orthopaedic Surgeons (AAOS)
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