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Kai Mithoefer, MD

Boston Bone & Joint Institute
Phone: 617-264-1100

125 Parker Hill Avenue, Converse 7
Boston, MA 02120
Fax: 617-264-1101

Boston Bone & Joint Institute - Woburn
Phone: 781-890-2133

800 West Cummings Park, Suite 2250
Woburn, MA 01801

Boston Bone & Joint Institute-Dedham
Phone: 617-264-1100

40 Allied Drive
Dedham, MA 02026
Fax: 617-264-1101

Boston Bone & Joint Institute-Waltham
Phone: 781-890-2133

840 Winter Street
Waltham, MA 02451
Fax: 781-890-2177

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Dr. Kai Mithoefer is an orthopedic surgeon at New England Baptist Hospital specializing in surgery of the knee and shoulder as well as joint preservation. He is board certified in both orthopedic surgery and orthopedic sports medicine. After medical school in Germany he received his residency training in the Harvard Orthopedic Residency Program. Following residency Dr. Mithoefer completed a fellowship in Orthopedic Trauma at Massachusetts General Hospital and a Sports Medicine and Shoulder Surgery fellowship at the Hospital for Special Surgery in New York.

Dr. Mithoefer has more than 15 years of clinical expertise and is an internationally recognized specialist for sports medicine, joint preservation and regenerative orthopedics. His special clinical expertise includes the application of state-of-the-art minimally invasive and developing regenerative technology to facilitate and accelerate recovery and return to athletic and work activities. His extensive expertise with both surgical and non-surgical treatment methods allows him to offer a unique and highly individualized approach to functional joint restoration that is matched to each patient’s specific situation.

Dr. Mithoefer has published more than 100 scientific articles and book chapters and is frequent speaker at national and international orthopedic meetings.

Dr. Mithoefer has extensive experience caring for athletes at all levels including as team physician of the New England Revolution, US Men’s and Youth National Soccer Teams, World Team Tennis, and US Davis Cup Tennis Team. He has also served as the Assistant Medical Director for Major League Soccer (MLS). Having played sports at the professional and recreational level, he understands the athlete’s mindset and practices with the primary goal of returning his patients safely and rapidly to their active lifestyles.

Academic Affiliations

Clinical Instructor: Harvard Medical School, Orthopedic Surgery

Board Certification

American Board of Orthopedic Surgery
American Board of Orthopedic Surgery (Sports Medicine)

Medical Education

Medical School

Heinrich-Heine University, Dusseldorf, Germany 1992


Massachusetts General Hospital, 1997


General Surgery: University of Heidelberg, Germany 1996
Orthopedics: Harvard Combined Orthopedics Program, 2002


Massachusetts General Hospital (Orthopedic Trauma), 2003
Hospital for Special Surgery (Sports Medicine, Shoulder Surgery), 2004


Joint Preservation, Orthopedic Surgery, Sports Medicine


Knee, Shoulder



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