C. Benjamin Ma


Chief of Sports Medicine and Shoulder Surgery
Cal team physician and advanced imaging researcher

Dr. C. Benjamin Ma is chief of sports medicine and shoulder surgery. He specializes in shoulder surgery, with expertise in all procedures including arthroscopy, shoulder replacements and tendon transfers. He also specializes in arthroscopic knee surgeries, such as ligament reconstruction, cartilage replacement and meniscus surgery.

Ma's research focuses on advanced imaging of cartilage degeneration, anterior cruciate ligament (ACL) reconstructions and rotator cuff repairs. He has received multiple research grants, from such organizations as the National Institutes of Health and the Arthritis Foundation, for rotator cuff studies and advanced imaging of ACLs and cartilage. He is involved in clinical trials to evaluate shoulder replacement techniques, cartilage resurfacing methods and ways to prevent knee osteoarthritis.

Ma earned his medical degree at Johns Hopkins School of Medicine. He completed a residency in orthopedic surgery at the University of Pittsburgh, where he also completed a fellowship in musculoskeletal research. He then completed a fellowship in shoulder and knee surgery and sports medicine at the Hospital for Special Surgery.

Ma is a member of the MOON Shoulder Group, a professional collaboration within the Multi-Center Orthopaedic Outcome Network. He is also a member of the American Orthopaedic Society for Sports Medicine; Arthroscopy Association of North America; International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine; and American Shoulder and Elbow Surgeons.

Ma is the team physician for the University of California, Berkeley.

  • Education

    John Hopkins University School of Medicine, 1996

  • Residencies

    University of Pittsburgh Medical Center, Orthopedic Surgery, 2002

  • Fellowship

    University of Pittsburgh Medical Center, Musculoskeletal Research, 2002

    Hospital for Special Surgery, New York, Shoulder and Knee Surgery/Sports Medicine, 2003

  • Board Certifications

    Orthopaedic Sports Medicine, American Board of Orthopaedic Surgery

    Orthopaedic Surgery, American Board of Orthopaedic Surgery

It is a privilege and honor to have patients trust me with their care.

Arthritis and Joint Replacement Center

1500 Owens St., Suite 430
San Francisco, CA 94158

Cartilage Repair and Regeneration Center

1500 Owens St.
San Francisco, CA 94158

Sports Medicine Center

1500 Owens St.
San Francisco, CA 94158