Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Anna Chang, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1942313770

Dr. Anna Chang, MD is a Geriatric Medicine (Internal Medicine) Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4150 Clement St Box 181G
San Francisco, CA 94121-1545
Phone: (415) 221-4810
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence A76848 (CA)

Record details

NPI number1942313770
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 16, 2006
Last updated in NPPESJuly 8, 2007

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