Dr. Margaret Mahaffa
- Gender: Female
- Sole propriator: No
- NPI: 1215557426
Dr. Margaret Mahaffa
Resident
She is located at 1425 South Main Street in Walnut Creek, CA 94596. Her National Provider Identifier (NPI) number is 1215557426. Appointment can be made via the phone number (925) 295-4000.
Medicare Enrollment
Dr. Margaret Mahaffa is enrolled to bill Medicare as a Practitioner - Emergency Medicine .
Bills through: Permanente Medical Group Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
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Questions & Answers
Where can you meet with Dr. Margaret Mahaffa?
Dr. Margaret Mahaffa's office is located at 1425 South Main Street in Walnut Creek, CA 94596.
Does Dr. Margaret Mahaffa accept insurance?
Unfortunately we don't have any information if Dr. Margaret Mahaffa accepts insurance.