Quick answers
- Which hospitals does Frederick M. David work at?
- Medicare's official clinician data lists Frederick M. David at 4 hospitals: Colusa Medical Center, Enloe Health, Glenn Medical Center and Oroville Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Frederick M. David see patients?
- Medicare's clinician data lists 2 practice locations, including Willows, CA. Call before your visit to confirm the address.
- What is Frederick M. David's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Frederick M. David accept Medicare assignment?
- Medicare's clinician data says Frederick M. David may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Frederick M. David?
- (530) 934-1881, as listed in official Medicare / NPI Registry data.
- What is Frederick M. David's NPI number?
- 1255313565. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Frederick M. David works
Medicare's Facility Affiliation Data lists Frederick M. David at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Colusa Medical CenterColusa, CA · Acute Care Hospital · CCN 050783
- Enloe HealthChico, CA · Acute Care Hospital · CCN 050039
- Glenn Medical CenterWillows, CA · Critical Access Hospital · closed, according to its website · CCN 051306
- Oroville HospitalOroville, CA · Acute Care Hospital · CCN 050030
Practice locations
Addresses where Frederick M. David is enrolled with Medicare (CMS data updated 2026-10-02).
- 1133 W Sycamore StWillows, CA 95988 (530) 934‑1881
- 888 Pacific AveWillows, CA 95988
Group practices
Medicare enrollment lists Frederick M. David as a member of these groups (CMS data updated 2026-10-02).
- Glenn Medical Center, Inc11 clinicians in the group
- Glenn Medical Center, LLC11 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1255313565 |
| 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