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

Dr. John J Fangman, MD

Individual provider Infectious Disease Physician · NPI 1881645737

Dr. John J Fangman, MD is an Infectious Disease in San Francisco, California. Graduated from University of Minnesota Medical School in 1994, 32 years ago. Works from 2 locations and accepts Medicare assignment. Licensed in California and Wisconsin.

Years since qualifying
32
Trained at
University of Minnesota Medical School
Licensed in
CA, WI
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 Fl 2
San Francisco, CA 94143-2202
Phone: (415) 476-9362
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • Froedtert & Med College Clin - East, Milwaukee, WI 53226 — (414) 805-3666

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence C206757 (CA)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 48629 (WI)

Record details

NPI number1881645737
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 15, 2006
Last updated in NPPESMarch 30, 2026
Certification dateMarch 30, 2026

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1994 (32 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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