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

Individual provider Internal Medicine Physician · NPI 1538118765

Dr. Kenneth E. Sack, 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

400 Parnassus Ave
San Francisco, CA 94143-2202
Phone: (415) 353-2497
Fax: (415) 353-2444
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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 G28699 (CA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence G28699 (CA)

Record details

NPI number1538118765
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 6, 2006
Last updated in NPPESJuly 13, 2026

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