Dr. Diefendorf's Appointment Information
Dr. Diefendorf's Contact Information
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Dirk R Diefendorf MD
100 S Ellsworth Ave Suite 607
San Mateo, CA 94401
(650) 241-0869
Accepting New Patients: Yes
Preparing for Your Appointment
What to Know Before You Go
Dr. Diefendorf's Insurance Accepted
- Aetna
- Blue Cross and Blue Shield
- CIGNA
- Coventry Health Care
- HealthNet
- Medicare
- MultiPlan
- The Guardian Life Insurance Company of America
- UnitedHealthCare
- WellPoint
