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Doctors / CA

GREGORY JAMES ZAHNER, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE

Graduated: 2020

NPI: 1427685767

Practice Locations (1)

REGENTS OF THE UNIVERSITY OF CALIFORNIA

505 PARNASSUS AVE

SAN FRANCISCO, CA 941432204

4154764029

Source: CMS National Downloadable File, September 2026.

GREGORY ZAHNER, MD | HealthCareAtlasUSA