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Office
101 S Ellsworth Ave
Suite 607
San Mateo, CA 94401Phone+1 650-347-0157Fax+1 650-347-0566
Summary
- Dr. Dirk Diefendorf, MD is a board certified orthopedic surgeon in San Mateo, California. He is currently licensed to practice medicine in California. He is affiliated with Mills-Peninsula Medical Center and Sequoia Hospital.
Education & Training
- UCLA David Geffen School of Medicine/UCLA Medical CenterFellowship, Orthopaedic Sports Medicine, 1988 - 1989
- University of Southern California/Los Angeles General Medical Center (USC/LA General)Residency, Orthopaedic Surgery, 1984 - 1988
- University of Southern California/LACUSC Medical CenterInternship, Transitional Year, 1983 - 1984
- Northwestern University The Feinberg School of MedicineClass of 1983
Certifications & Licensure![](https://directory.doximity.com/assets/icons/icon-help-e9f0b148a1e6d1f037dde9f26f025c36bd7c99fd4fe31fd76792996fa2aa5e66.svg)
- CA State Medical License 1984 - 2025
- American Board of Orthopaedic Surgery Orthopaedic Surgery
- American Board of Orthopaedic Surgery Orthopaedic Sports Medicine