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

John Doan, MD

Individual provider Internal Medicine Physician · NPI 1124605902

John Doan, MD is a Hospitalist in San Francisco, California. Graduated from Medical College of Wisconsin in 2021, 5 years ago. Practices with Regents of the University of California, a 717-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
5
Trained at
Medical College of Wisconsin
Licensed in
CA
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) 476-1000
Fax: (415) 476-4818
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 555 Castro St, Mountain View, CA 94041-2009 — (650) 903-3000
  • 700 Lawrence Expy, Santa Clara, CA 95051-5173 — (408) 851-1000

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A190311 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 1124605902 (CA)

Record details

NPI number1124605902
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 26, 2021
Last updated in NPPESOctober 4, 2024
Certification dateOctober 4, 2024

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
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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