Quick answers
- Which hospitals does Conor T. Williams work at?
- Medicare's official clinician data lists Conor T. Williams at 3 hospitals: Gallup Indian Medical Center, Kaiser Foundation Hospital - South San Francisco and Sutter Coast Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Conor T. Williams see patients?
- Medicare's clinician data lists 4 practice locations, including South San Francisco, CA, Gallup, NM and Crescent City, CA. Call before your visit to confirm the address.
- What is Conor T. Williams's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Conor T. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Conor T. Williams 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 Conor T. Williams?
- (650) 742-2000, as listed in official Medicare / NPI Registry data.
- What is Conor T. Williams's NPI number?
- 1952927667. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Conor T. Williams works
Medicare's Facility Affiliation Data lists Conor T. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Gallup Indian Medical CenterGallup, NM · Acute Care Hospital · CCN 320061
- Kaiser Foundation Hospital - South San FranciscoSouth San Francisco, CA · Acute Care Hospital · CCN 050070
- Sutter Coast HospitalCrescent City, CA · Acute Care Hospital · CCN 050417
Practice locations
Addresses where Conor T. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 1200 El Camino RealSouth San Francisco, CA 94080 (650) 742‑2000
- 516 E Nizhoni BlvdGallup, NM 87301 (505) 722‑1000
- 800 E Washington BlvdCrescent City, CA 95531 (707) 464‑8511
- 815 Court StJackson, CA 95642
Group practices
Medicare enrollment lists Conor T. Williams as a member of these groups (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
- Sutter Valley Medical Foundation2,500 clinicians in the group
- DHHS, PHS, Naihs, Gallup Indian Medical Center186 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in South San Francisco
Clinicians with the same Medicare primary specialty in South San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952927667 |
| 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