Quick answers
- Which hospitals does Brian W. Fields work at?
- Medicare's official clinician data lists Brian W. Fields at 2 hospitals: Lompoc Valley Medical Center and Marian Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian W. Fields see patients?
- Medicare's clinician data lists 2 practice locations, including Santa Maria, CA and Arroyo Grande, CA. Call before your visit to confirm the address.
- What is Brian W. Fields's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Brian W. Fields accept Medicare assignment?
- Yes. Medicare's clinician data says Brian W. Fields 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 Brian W. Fields?
- (805) 739-3000, as listed in official Medicare / NPI Registry data.
- What is Brian W. Fields's NPI number?
- 1245541580. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brian W. Fields works
Medicare's Facility Affiliation Data lists Brian W. Fields at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lompoc Valley Medical CenterLompoc, CA · Acute Care Hospital · CCN 050110
- Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · CCN 050107
Practice locations
Addresses where Brian W. Fields is enrolled with Medicare (CMS data updated 2026-10-02).
- 1400 E Church StSanta Maria, CA 93454 (805) 739‑3000
- 345 S Halcyon RdArroyo Grande, CA 93420 (805) 489‑4261
Group practices
Medicare enrollment lists Brian W. Fields as a member of this group (CMS data updated 2026-10-02).
- Central Coast In-Patient Consultants Inc32 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Santa Maria
Clinicians with the same Medicare primary specialty in Santa Maria, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245541580 |
| 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