Quick answers
- Where does Gabriela Castro see patients?
- Medicare's clinician data lists 3 practice locations, including Martinez, CA and Pleasanton, CA. Call before your visit to confirm the address.
- What is Gabriela Castro's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Gabriela Castro accept Medicare assignment?
- Medicare's clinician data says Gabriela Castro may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Gabriela Castro's NPI number?
- 1215895412. 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 Gabriela Castro is enrolled with Medicare (CMS data updated 2026-10-02).
- 1001 Shell AveMartinez, CA 94553
- 4637 Chabot Dr, Suite 104Pleasanton, CA 94588
- 5000 Hopyard Rd, Suite 410Pleasanton, CA 94588
Specialties
- Physician Assistantprimary
Other physician assistants in Martinez
Clinicians with the same Medicare primary specialty in Martinez, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1215895412 |
| 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