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

Individual provider Internal Medicine Physician · NPI 1225270713

Dr. Kenneth John Colley, MD is an Internal Medicine Physician in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
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

2595 Clay St Ste 5
San Francisco, CA 94115-1864
Phone: (415) 225-5771
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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 A69242 (CA)
Clinical Pharmacology Physician Taxonomy 208U00000X · Licence A69242 (CA)

Record details

NPI number1225270713
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 30, 2009
Last updated in NPPESMarch 30, 2009

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