Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mary Anne Gail Johnson, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1902855067

Dr. Mary Anne Gail Johnson, 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.

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Practice location Address checks out

4150 Clement St 11-CP
San Francisco, CA 94121-1545
Phone: (415) 221-4810
Fax: (415) 750-2185
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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 G34015 (CA)

Record details

NPI number1902855067
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 8, 2006
Last updated in NPPESJuly 9, 2007

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