Summary

Dr. Dirk Diefendorf is an orthopedic surgeon with additional expertise in physical medicine and rehabilitation. He earned his medical degree from Northwestern University Feinberg School of Medicine and completed his residency at LAC USC Medical Center. With over four decades of experience in practice, Dr. Diefendorf brings extensive knowledge to treating musculoskeletal conditions. He is fluent in both Spanish and English.

Dr. Diefendorf is affiliated with Sequoia Hospital and practices at multiple locations throughout the San Francisco Bay Area, including Palo Alto, Burlingame, and San Mateo. His clinical focus includes treating joint pain, arthritis, and rotator cuff injuries. He utilizes various treatment approaches such as physical therapy, diagnostic imaging, and strength training programs. Patients have given him an average rating of 4.2 out of 5 stars.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.2
  • 43 years of experience
  • 33 insurance plans accepted
  • speaks Spanish, English
  • Lac Usc Medical Center
  • 8 written reviews
  • 3 specialties
  • 4 areas of expertise
  • 1 hospital affiliation
  • 7 office locations
  • Male

Office Locations

Dr. Dirk Ross Diefendorf has 7 locations

Waverley Surgery Center

400 Forest AvePalo Alto, CA 94301
Mon7:00 am - 5:00 pm
Tue7:00 am - 5:00 pm
Wed7:00 am - 5:00 pm
Thu7:00 am - 5:00 pm
Fri7:00 am - 5:00 pm
SatClosed
SunClosed

Mills Peninsula Medical Center

1501 Trousdale DrBurlingame, CA 94010

San Mateo Medical Center

222 W 39th AveSan Mateo, CA 94403

Mills Health Center

100 S San Mateo DrSan Mateo, CA 94401

Stanford Health Care

500 Pasteur DrPalo Alto, CA 94304

Stanford Hospital

300 Pasteur DrPalo Alto, CA 94304

Stanford Medicine Pediatrics

453 Quarry Rd # Mc5660Palo Alto, CA 94304

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Dr. Dirk Ross Diefendorf, MD
Dr. Stephanie Pun, MD
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Dr. Dirk Ross Diefendorf, MDDr. Stephanie Pun, MDDr. Julius Bishop, MDDr. Margaret Cooke, MD
Orthopedic SurgeryOrthopedic SurgeryOrthopedic SurgeryOrthopedic Surgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
3.9 
4.6 
43 Years of Experience 19 Years of Experience 22 Years of Experience 14 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English Speaks Chinese, Spanish, English Speaks Spanish, English Speaks English
Palo Alto , CARedwood City , CARedwood City , CAPleasanton , CA
Med School: Northwestern University Feinberg School Of Medicine Med School: University Of California San Francisco School Of Medicine Med School: Harvard Medical School Med School: University Of California San Francisco School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Dirk Ross Diefendorf

  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - HMO
  • Alignment Health Plan
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Oklahoma
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • Cigna
  • Contra Costa Health Plan
  • Health Net
  • Health Net - HMO
  • Health Plan of San Mateo
  • Health Plan of San Mateo - Medicaid
  • Humana
  • Humana - HMO
  • Kaiser Permanente
  • Magellan Health
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Nippon Life Benefits
  • PreferredOne
  • Santa Clara Family Health Plan
  • Sutter Health Plus
  • United American
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare

Medical Specialties

Dr. Dirk Ross Diefendorf has the following 3 specialties

Specialty Expertise

Dr. Dirk Ross Diefendorf has the following 4 areas of expertise

  • Neuromuscular Medicine (pm & Rehab)
  • Other
  • Other Specialty
  • Physical Medicine & Rehabilitation

Certifications, License, & Education

43 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2025, Expired

EDUCATION & TRAINING

Residency

Lac Usc Medical Center

Medical School

Northwestern University Feinberg School Of MedicineGraduated in 1983

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Frequently Asked Questions

Which hospitals is Dr. Dirk Diefendorf affiliated with?
Dr. Dirk Diefendorf is affiliated with Sequoia Hospital.
Does Dr. Dirk Diefendorf accept virtual/telehealth appointments?
Dr. Dirk Diefendorf has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Dirk Diefendorf accepting new patients?
Dr. Dirk Diefendorf is accepting new patients on Vitals. View Dr. Dirk Diefendorf's profile on Vitals to make an appointment.
Does Dr. Dirk Diefendorf accept my insurance?
You can see the insurance plans that Dr. Dirk Diefendorf accepts on their Vitals profile.
Where is Dr. Dirk Diefendorf's office located?
Dr. Dirk Diefendorf's office is located at 400 Forest Ave, Palo Alto, CA, 94301.

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