Quick answers
- Which hospitals does Willliam Frye work at?
- Medicare's official clinician data lists Willliam Frye at 2 hospitals: Adventist Health Sierra Vista and Adventist Health Twin Cities. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Willliam Frye see patients?
- Medicare's clinician data lists 2 practice locations, including San Luis Obispo, CA and Templeton, CA. Call before your visit to confirm the address.
- What is Willliam Frye's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Willliam Frye accept Medicare assignment?
- Yes. Medicare's clinician data says Willliam Frye 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 Willliam Frye?
- (805) 546-7600, as listed in official Medicare / NPI Registry data.
- What is Willliam Frye's NPI number?
- 1285261990. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Willliam Frye works
Medicare's Facility Affiliation Data lists Willliam Frye at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Sierra VistaSan Luis Obispo, CA · Acute Care Hospital · CCN 050506
- Adventist Health Twin CitiesTempleton, CA · Acute Care Hospital · CCN 050633
Practice locations
Addresses where Willliam Frye is enrolled with Medicare (CMS data updated 2026-10-02).
- 1010 Murray AveSan Luis Obispo, CA 93405 (805) 546‑7600
- 1100 Las Tablas RdTempleton, CA 93465 (800) 962‑3303
Group practices
Medicare enrollment lists Willliam Frye as a member of this group (CMS data updated 2026-10-02).
- Central Coast Emergency Physicians27 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in San Luis Obispo
Clinicians with the same Medicare primary specialty in San Luis Obispo, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Virginia Commonwealth University, School Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285261990 |
| 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