Dr. Hann is on Doximity
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Office
200 Porter Dr
Ste 300
San Ramon, CA 94583Phone+1 925-838-6500Fax+1 925-838-6544
Education & Training
- University of California (San Francisco)Residency, Pediatrics, 1990 - 1993
- University of California San Francisco School of MedicineClass of 1989
Certifications & Licensure
- CA State Medical License 1991 - 2025
Other Languages
- Thai
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