Quick answers
- Which hospitals does William A. Martin work at?
- Medicare's official clinician data lists William A. Martin at 5 hospitals: Alta Bates Summit Medical Center, Alta Bates Summit Medical Center - Alta Bates Camp…, El Camino Health, Good Samaritan Hospital and Stanford Health Care Tri-Valley. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William A. Martin see patients?
- Medicare's clinician data lists 2 practice locations, including La Selva Beach, CA and Livermore, CA. Call before your visit to confirm the address.
- What is William A. Martin's specialty?
- Medicare lists Physical Medicine and Rehabilitation as the primary specialty.
- Does William A. Martin accept Medicare assignment?
- Medicare's clinician data says William A. Martin may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for William A. Martin?
- (831) 331-6239, as listed in official Medicare / NPI Registry data.
- What is William A. Martin's NPI number?
- 1871529677. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William A. Martin works
Medicare's Facility Affiliation Data lists William A. Martin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alta Bates Summit Medical CenterOakland, CA · Acute Care Hospital · CCN 050043
- Alta Bates Summit Medical Center - Alta Bates Camp…Berkeley, CA · Acute Care Hospital · CCN 050305
- El Camino HealthMountain View, CA · Acute Care Hospital · CCN 050308
- Good Samaritan HospitalSan Jose, CA · Acute Care Hospital · CCN 050380
- Stanford Health Care Tri-ValleyPleasanton, CA · Acute Care Hospital · CCN 050283
Practice locations
Addresses where William A. Martin is enrolled with Medicare (CMS data updated 2026-10-02).
- 265 Camino Al BarrancoLa Selva Beach, CA 95076 (831) 331‑6239
- 4889 Charlotte WayLivermore, CA 94550 (510) 372‑7527
Group practices
Medicare enrollment lists William A. Martin as a member of this group (CMS data updated 2026-10-02).
- Sierra Neurodiagnostic Group LLC2 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in California →
Other rehabilitation doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1871529677 |
| 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