


Dr. Dirk Diefendorf, MD
Dr. Dirk Diefendorf, MD is a sports medicine specialist in San Mateo, CA and has over 40 years of experience in the medical field. He graduated from Northwestern University Feinberg School of Medicine in 1983. He is affiliated with Mills-Peninsula Medical Center. He is accepting new patients.
Practice
101 S San Mateo Dr Ste 212 San Mateo, CA 94401Make an Appointment
Compare with other Sports Medicine Specialists
Compare Dr. Diefendorf with our nearby Sports Medicine Specialists at Sequoia Hospital.
Make an appointment at Sequoia Hospital today at
(650) 410-7512.
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Dr. Diefendorf's Reviews
Likelihood to recommend Dr. Diefendorf
4.2
5 Star | 75% | 75% |
4 Star | 6% | 6% |
3 Star | 0% | 0% |
2 Star | 0% | 0% |
1 Star | 19% | 19% |
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How was your experience with Dr. Diefendorf?Overall Patient Satisfaction
Likelihood of recommending Dr. Diefendorf to family and friends is 4.1875 out of 5
About Me
care philosophy
Board Certified Orthopedic SurgeonSports Medicine
Orthopedic Surgery
Reconstructive Orthopedic Surgery
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
The Southern California Orthopedic Institute
Fellowship Hospital, 1989University Of Southern California
Residency Hospital, 1988Northwestern University Feinberg School Of Medicine
Medical School, 1983Ucla
Undergraduate School, 1978University Of California At Los Angeles
Undergraduate School, 1978
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkCalifornia Orthopaedic Association, Member
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Locations
Practice
Affiliated Hospitals
- Recipient of 46
hospital awardsAmerica’s 100 Best Hospitals for Joint Replacement Award™ (2025)
Superior clinical outcomes in knee and hip replacement
View all awardsAmerica's 100 Best Hospitals Award™ (2025, 2024, 2023)
Superior clinical outcomes in knee and hip replacement
View all patient feedbackHow patients felt about the care they received at this hospital.
87%Patients said they were given information about recovering at home3% higher than the national average
80%Patients would recommend the hospital to friends and family15% higher than the national average
Compare with other Sports Medicine Specialists
Compare Dr. Diefendorf with our nearby Sports Medicine Specialists at Sequoia Hospital.
Make an appointment at Sequoia Hospital today at
(650) 410-7512.
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