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

Stephen H. Foster, MD

Individual provider Internal Medicine Physician · NPI 1851479927

Stephen H. Foster, MD is an Internal Medicine Physician in Antioch, 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

5601 Deer Valley Rd
Antioch, CA 94531-8577
Phone: (925) 813-6500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G32028 (CA)

Record details

NPI number1851479927
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 2, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1800 Harrison St Fl 7, Oakland, CA 94612-3429

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