Individual provider · Type 1 NPI

Chih Yao Chang, MD

Internal Medicine Physician · San Francisco, CA

NPI number 1730820739 Active

Practice location

521 Parnassus Ave
San Francisco, CA 94143-2206

Call (415) 750-5942 Map

Fax (415) 750-5594

Other practice locations

  • St. Mary's Medical Center, 450 Stanyan Street, San Francisco, CA 94117 · (415) 750-5942

Specialties and licenses

TaxonomyCodeLicense
Student in an Organized Health Care Education/Training Program 390200000XNone listed
Internal Medicine Physician Primary 207R00000XA199655 (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…

197 other providers at this address

Other internal medicine physician providers in San Francisco

See all in San Francisco →

About NPI 1730820739

Chih Yao Chang, MD's National Provider Identifier is 1730820739, issued on Apr 5, 2022. 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 May 15, 2025.