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

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1689652612

Dr. Kathryn Lea Sewell, MD is a Geriatric Medicine (Internal Medicine) Physician in San Francisco, California. Licensed in California and Massachusetts. Registered with an NPI since 2006.

Licensed in
CA, MA
In the registry since
2006
Specialties on file
4
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

1515 Baker St
San Francisco, CA 94115-2908
Phone: (415) 345-1973
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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 60367 (MA)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence G85724 (CA)
Rheumatology Physician Taxonomy 207RR0500X · Licence 60367 (MA)
Rheumatology Physician Taxonomy 207RR0500X · Licence G85724 (CA)

Record details

NPI number1689652612
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 9, 2006
Last updated in NPPESJuly 13, 2026

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