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

Dr. Gillian Foley, MD

Individual provider Hospitalist Physician · NPI 1164002333

Dr. Gillian Foley, MD is an Internal Medicine in San Francisco, California. Graduated from University of California, Geffen School of Medicine in 2021, 5 years ago. Practices with Regents of the University of California, a 717-clinician group and accepts Medicare assignment. Licensed in California and New York.

Years since qualifying
5
Trained at
University of California, Geffen School of Medicine
Licensed in
CA, NY
In the registry since
2021
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

521 Parnassus Ave
San Francisco, CA 94143-2206
Phone: (415) 514-1378
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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 A201218 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence 328422 (NY)

Record details

NPI number1164002333
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 12, 2021
Last updated in NPPESAugust 1, 2025
Certification dateAugust 1, 2025
Mailing address521 Parnassus Ave, San Francisco, CA 94143-2206

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Regents Of The University Of California — 717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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