Quick answers
- Where does Philomena Walker see patients?
- Medicare's clinician data lists 2 practice locations, including Colusa, CA and Los Altos, CA. Call before your visit to confirm the address.
- What is Philomena Walker's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Philomena Walker accept Medicare assignment?
- Yes. Medicare's clinician data says Philomena Walker 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 Philomena Walker's NPI number?
- 1275636128. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Philomena Walker is enrolled with Medicare (CMS data updated 2026-10-02).
- 108 Tara DrColusa, CA 95932
- 4300 El Camino Real, Suite 100Los Altos, CA 94022
Specialties
- Physician Assistantprimary
Other physician assistants in Colusa
Clinicians with the same Medicare primary specialty in Colusa, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | University Of Florida College Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275636128 |
| 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
- 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