Main content
    Find a Doctor > Dr. Dirk Diefendorf, M.D.
    Dirk Diefendorf

    Dirk Diefendorf, M.D.

    Orthopedic Surgery

    (Board Certified)
    Accepting new patients

    Sports Medicine

    Accepting new patients

    100 S. Ellsworth Avenue
    Suite 607
    San Mateo, California 94401
    View Mapof 100 S. Ellsworth Avenue, Suite 607, San Mateo. Opens in new window
    (650) 347-0517  F (650) 347-0566

    Professional Interests

    Orthopedic Surgery
    ACL repair, Achilles tendon injury and pathology, Acute fracture management, Ankle arthritis, Ankle arthroscopy, Ankle pain, Ankle reconstruction, Avascular necrosis, Biceps pathology, Biologic knee reconstruction, Bridging allograft rotator cuff reconstruction for massive tears, Carpal tunnel syndrome,
    See more + Click to expand Professional interests

    Sports Medicine
    AC joint pathology, Adolescent athletes, Anterior cruciate ligament (ACL) injury, Arthritis of the hip and knee, Articular cartilage injury, Biologic resurfacing, Biologic resurfacing of the knee, Biologic resurfacing of the shoulder, Cartilage disorders, Dupuytren's disease, Foot and ankle injuries,
    See more + Click to expand Professional interests

    Spoken Languages


    This physician directory is provided as a convenience to you. It is not intended as a recommendation, referral, or endorsement of any particular provider. Physicians are not employees or agents of Sutter Health or its affiliates. The information is submitted by each doctor and we make no guarantee or warranty as to the accuracy of the information. Sutter Health is not responsible for any loss or damage caused by your reliance on this information. You should verify the accuracy of the information directly with the physician's office.

    All doctors on this site are affiliated with Sutter Health's network of care - members of the medical staff of Sutter-affiliated hospitals, affiliated medical groups, and independent practice associations that participate in clinical initiatives. Doctors do not pay a fee to be included in this directory. If a physician ceases to fall within one of the categories noted, he/she would no longer be listed on the site. Doctors meeting your search criteria are presented in alphabetical order by last name, or by geographic proximity if a zip code has been used as search criterion.