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

Dr. Kenneth J Hammerman, MD

Individual provider Internal Medicine Physician · NPI 1174600365

Dr. Kenneth J Hammerman, MD is an Internal Medicine Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
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

1199 Bush St Ste #500
San Francisco, CA 94109
Phone: (415) 673-7600
Fax: (415) 673-8065
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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 G25963 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G25963 (CA)

Record details

NPI number1174600365
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESSeptember 11, 2025

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