Quick answers
- Where does John Fangman see patients?
- Medicare's clinician data lists 2 practice locations, including San Francisco, CA. Call before your visit to confirm the address.
- What is John Fangman's specialty?
- Medicare lists Infectious Disease as the primary specialty.
- Does John Fangman accept Medicare assignment?
- Yes. Medicare's clinician data says John Fangman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John Fangman?
- (415) 476-4029, as listed in official Medicare / NPI Registry data.
- What is John Fangman's NPI number?
- 1881645737. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John Fangman is enrolled with Medicare (CMS data updated 2026-10-02).
- 2330 Post StSan Francisco, CA 94115 (415) 476‑4029
- 505 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000
Group practices
Medicare enrollment lists John Fangman as a member of this group (CMS data updated 2026-10-02).
- University of California San Francisco1,839 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881645737 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians