Quick answers
- Which hospitals does John P. Belzer work at?
- Medicare's official clinician data lists John P. Belzer at 5 hospitals: California Pacific Medical Center - Mission Bernal…, California Pacific Medical Center- Van Ness Campus, California Pacific Medical Center-Davies Campus Hospital, Novato Community Hospital and Providence Queen of the Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John P. Belzer 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 P. Belzer's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does John P. Belzer accept Medicare assignment?
- Yes. Medicare's clinician data says John P. Belzer 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.
- Does John P. Belzer offer telehealth?
- Medicare's clinician data says John P. Belzer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John P. Belzer?
- (415) 668-8010, as listed in official Medicare / NPI Registry data.
- What is John P. Belzer's NPI number?
- 1417043993. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John P. Belzer works
Medicare's Facility Affiliation Data lists John P. Belzer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- California Pacific Medical Center - Mission Bernal…San Francisco, CA · Acute Care Hospital · CCN 050055
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA · Acute Care Hospital · CCN 050047
- California Pacific Medical Center-Davies Campus HospitalSan Francisco, CA · Acute Care Hospital · CCN 050008
- Novato Community HospitalNovato, CA · Acute Care Hospital · CCN 050131
- Providence Queen of the Valley Medical CenterNapa, CA · Acute Care Hospital · CCN 050009
Practice locations
Addresses where John P. Belzer is enrolled with Medicare (CMS data updated 2026-10-02).
- 3838 California St, Rm 516San Francisco, CA 94118 (415) 668‑8010
- 505 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000
Group practices
Medicare enrollment lists John P. Belzer as a member of these groups (CMS data updated 2026-10-02).
- Regents of the University of California - UCSF80 clinicians in the group
- California Pacific Orthopaedics and Sports Medicine a Medical Corporat31 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417043993 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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