Quick answers
- Which hospitals does Charles Brandsmeier work at?
- Medicare's official clinician data lists Charles Brandsmeier at 2 hospitals: Marinhealth Medical Center and Providence Santa Rosa Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Charles Brandsmeier see patients?
- Medicare's clinician data lists 5 practice locations, including Fairfield, CA, Napa, CA and Vacaville, CA. Call before your visit to confirm the address.
- What is Charles Brandsmeier's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Charles Brandsmeier accept Medicare assignment?
- Yes. Medicare's clinician data says Charles Brandsmeier 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 Charles Brandsmeier?
- (707) 646-4000, as listed in official Medicare / NPI Registry data.
- What is Charles Brandsmeier's NPI number?
- 1891214763. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Charles Brandsmeier works
Medicare's Facility Affiliation Data lists Charles Brandsmeier at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · CCN 050360
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050174
Practice locations
Addresses where Charles Brandsmeier is enrolled with Medicare (CMS data updated 2026-10-02).
- 1320 Travis Blvd, CFairfield, CA 94533 (707) 646‑4000
- 1621 W Imola AveNapa, CA 94559 (707) 251‑4280
- 1679 E Monte Vista Ave, Suite 104Vacaville, CA 95688 (707) 624‑7410
- 416 Napa Junction RdAmerican Canyon, CA 94503 (707) 646‑5500
- 500 Doyle Park Dr, Suite 106aSanta Rosa, CA 95405 (707) 303‑8357
Group practices
Medicare enrollment lists Charles Brandsmeier as a member of these groups (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
- NorthBay Physicians Surgery Center, LLC324 clinicians in the group
- NorthBay Health Medical Foundation213 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891214763 |
| 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