Quick answers
- Which hospitals does Daniel L. Willis work at?
- Medicare's official clinician data lists Daniel L. Willis at 4 hospitals: Adventist Health Sierra Vista, Adventist Health Twin Cities, French Hospital Medical Center and Marian Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel L. Willis see patients?
- Medicare's clinician data lists 2 practice locations, including Templeton, CA and Atascadero, CA. Call before your visit to confirm the address.
- What is Daniel L. Willis's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Daniel L. Willis accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel L. Willis 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 Daniel L. Willis?
- (805) 792-1400, as listed in official Medicare / NPI Registry data.
- What is Daniel L. Willis's NPI number?
- 1699946376. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel L. Willis works
Medicare's Facility Affiliation Data lists Daniel L. Willis 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
- French Hospital Medical CenterSan Luis Obispo, CA · Acute Care Hospital · CCN 050232
- Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · CCN 050107
Practice locations
Addresses where Daniel L. Willis is enrolled with Medicare (CMS data updated 2026-10-02).
- 1051 Las Tablas RdTempleton, CA 93465
- 7512 Morro RdAtascadero, CA 93422 (805) 792‑1400
Group practices
Medicare enrollment lists Daniel L. Willis as a member of these groups (CMS data updated 2026-10-02).
- David B. Hammer123 clinicians in the group
- Community Health Centers of the Central Coast Inc73 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Templeton
Clinicians with the same Medicare primary specialty in Templeton, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699946376 |
| 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