Chunbong Benjamin Ma MD
Orthopedic Sports Medicine, Shoulder Surgery
Professor and Chair, Department of Orthopaedic Surgery, University of California, San Francisco
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1701 Divisadero StSan Francisco, CA 94115
Phone+1 415-353-7566
Fax+1 415-885-3862
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Summary
- Dr. C Benjamin Ma is an orthopedic surgeon in San Francisco, CA and is affiliated with multiple hospitals in the area, including UCSF Medical Center and Zuckerberg San Francisco General Hospital and Trauma Center. He received his medical degree from Johns Hopkins University School of Medicine and has been in practice 21 years. He specializes in orthopedic sports medicine and shoulder surgery and is experienced in ACL injuries, shoulder osteoarthritis, sports medicine, rotator cuff tears, and joint pain. He has more than 300 publications and over 15000 citings.
Education & Training
Hospital for Special Surgery/Cornell Medical CenterFellowship, Orthopaedic Sports Medicine, 2002 - 2003
UPMC Medical EducationResidency, Orthopaedic Surgery, 1996 - 2001
Johns Hopkins University School of MedicineClass of 1996
Certifications & Licensure
CA State Medical License 2003 - 2027
PA State Medical License 1997 - 2002
American Board of Orthopaedic Surgery Orthopaedic Surgery- American Board of Orthopaedic Surgery Orthopaedic Sports Medicine
Awards, Honors, & Recognition
- America's Top Doctors Castle Connolly, 2012-2023
- San Francisco Top Physician 2011-2023
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2013
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Clinical Trials
- Feasibility Trial Using Imaging and Biochemical Technologies to Measure Knee Cartilage Composition in Acute ACL Injury Start of enrollment: 2013 Nov 01
Publications & Presentations
PubMed
- Longitudinal Changes in Medial Meniscal Extrusion After ACL Injury and Reconstruction and Its Relationship With Cartilage Degeneration Assessed Using MRI-Based T1ρ and...Shotaro Watanabe, Gabby B Joseph, Dai Sato, Drew A Lansdown, Julio Brandao Guimaraes
The American Journal of Sports Medicine. 2025-02-01 - 5 citationsReverse total shoulder arthroplasty pain and function: new perspectives from a 10-year multicenter study at the 7-year follow-up.Ryan Krupp, C Benjamin Ma, John Nyland, Charles Getz, Makaram Srinivasan
Archives of Orthopaedic and Trauma Surgery. 2023-07-01 - 9 citationsDelayed ACL reconstruction increases rates of concomitant procedures and risk of subsequent surgery.Ryan D Freshman, Nicole M Truong, Nicolas Cevallos, Drew A Lansdown, Brian T Feeley
Knee Surgery, Sports Traumatology, Arthroscopy. 2023-07-01
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