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

Michael Harrington Humphreys, MD

Individual provider Internal Medicine Physician · NPI 1033149513

Michael Harrington Humphreys, 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
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1001 Potrero Ave Bldg 100 Rm 350
San Francisco, CA 94110-3518
Phone: (415) 476-4617
Fax: (415) 282-8182
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G17474 (CA)

Record details

NPI number1033149513
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2006
Last updated in NPPESJuly 8, 2007

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