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

James K. Yan, DO, Medical Office Inc

Organization Gastroenterology Physician · NPI 1609032283

James K. Yan, DO, Medical Office Inc is a Gastroenterology Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

728 Pacific Ave Ste 305
San Francisco, CA 94133-4457
Phone: (415) 781-1818
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 20A6238 (CA)

Record details

NPI number1609032283
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official James Yan — Physician/Ceo · (415) 781-1818
NPI enumeratedAugust 2, 2008
Last updated in NPPESAugust 2, 2008
Mailing address728 Pacific Ave, Suite 305, San Francisco, CA 94133-4457

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