Quick answers
- Which hospitals does John M. Glenn Iii work at?
- Medicare's official clinician data lists John M. Glenn Iii at 3 hospitals: UCSF Health Saint Francis Hospital, UCSF Health St. Mary's Hospital and UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. Glenn Iii see patients?
- Medicare's clinician data lists 7 practice locations, including San Francisco, CA and Berkeley, CA. Call before your visit to confirm the address.
- What is John M. Glenn Iii's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does John M. Glenn Iii accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Glenn Iii 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 M. Glenn Iii offer telehealth?
- Medicare's clinician data says John M. Glenn Iii offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John M. Glenn Iii?
- (833) 986-0312, as listed in official Medicare / NPI Registry data.
- What is John M. Glenn Iii's NPI number?
- 1457779266. 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 M. Glenn Iii works
Medicare's Facility Affiliation Data lists John M. Glenn Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UCSF Health Saint Francis HospitalSan Francisco, CA · Acute Care Hospital · CCN 050152
- UCSF Health St. Mary's HospitalSan Francisco, CA · Acute Care Hospital · CCN 050457
- UCSF Medical CenterSan Francisco, CA · Acute Care Hospital · CCN 050454
Practice locations
Addresses where John M. Glenn Iii is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1199 Bush St, Suite 400San Francisco, CA 94109 (833) 986‑0312
- 2250 Hayes St, Suite 302San Francisco, CA 94117 (415) 750‑5995
- 3100 San Pablo AveBerkeley, CA 94702 (510) 985‑5020
- 400 Parnassus AveSan Francisco, CA 94143
- 450 Stanyan StSan Francisco, CA 94117 (415) 750‑5750
Group practices
Medicare enrollment lists John M. Glenn Iii as a member of these groups (CMS data updated 2026-10-02).
- UCSF Medical Group Business Services1,598 clinicians in the group
- UCSF Dept of Surgery215 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1457779266 |
| 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