Quick answers
- Which hospitals does Thomas J. Spillane work at?
- Medicare's official clinician data lists Thomas J. Spillane 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 Thomas J. Spillane see patients?
- Medicare's clinician data lists 2 practice locations, including Templeton, CA and San Luis Obispo, CA. Call before your visit to confirm the address.
- What is Thomas J. Spillane's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Hematology/Oncology.
- Does Thomas J. Spillane accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas J. Spillane 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 Thomas J. Spillane offer telehealth?
- Medicare's clinician data says Thomas J. Spillane offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Thomas J. Spillane?
- (805) 543-5577, as listed in official Medicare / NPI Registry data.
- What is Thomas J. Spillane's NPI number?
- 1477558435. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas J. Spillane works
Medicare's Facility Affiliation Data lists Thomas J. Spillane 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 Thomas J. Spillane is enrolled with Medicare (CMS data updated 2026-10-02).
- 1051 Las Tablas RdTempleton, CA 93465
- 715 Tank Farm Rd, Suite CSan Luis Obispo, CA 93401 (805) 543‑5577
Group practices
Medicare enrollment lists Thomas J. Spillane as a member of these groups (CMS data updated 2026-10-02).
- Pacific Central Coast Health Centers253 clinicians in the group
- David B. Hammer123 clinicians in the group
Specialties
- Medical Oncologyprimary
- Hematology/Oncologyalso
Other oncologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Davis School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477558435 |
| 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