Individual provider · Type 1 NPI

John V. Fahy, MD

Internal Medicine Physician · San Francisco, CA

NPI number 1295789550 Active

Practice location

400 Parnassus Ave
San Francisco, CA 94143-2202

Call (415) 353-2961 Map

Fax (415) 353-2568

Mailing address

1635 Divisadero Street, Suite 625, Box 1821
San Francisco, CA 94143-0001

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XA53767 (CA)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

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About NPI 1295789550

John V. Fahy, MD's National Provider Identifier is 1295789550, issued on May 20, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in San Francisco, CA. The record was last updated on Jul 13, 2026.