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

Dr. Martha Steward Porter, MD

Individual provider General Practice Physician · NPI 1376644534

Dr. Martha Steward Porter, MD is a General Practice Physician in San Jose, California. Practices as a sole proprietor. Licensed in California.

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

260 International Cir
San Jose, CA 95119-1130
Phone: (408) 972-7000
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Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence G21045 (CA)

Record details

NPI number1376644534
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 26, 2006
Last updated in NPPESJuly 8, 2007

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