Quick answers
- Does Louisa Tostado accept Medicare assignment?
- Yes. Medicare's clinician data says Louisa Tostado accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Louisa Tostado's NPI number?
- 1013730787. 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 Louisa Tostado is enrolled with Medicare (CMS data updated October 2, 2026).
- 11333 Sepulveda BlvdMission Hills, CA 91345 (818) 365‑9531
- 14550 Soledad Canyon RdCanyon Country, CA 91387 (661) 250‑5200
- 19950 Rinaldi StPorter Ranch, CA 91326 (818) 403‑2400
- 26357 McBean PkwyValencia, CA 91355 (661) 222‑2600
- 26357 McBean Pkwy, Suite 390Santa Clarita, CA 91355 (661) 222‑2600
Group practices
Medicare enrollment lists Louisa Tostado as a member of this group (CMS data updated October 2, 2026).
- Providence Facey Medical Foundation385 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Mission Hills
Clinicians with the same Medicare primary specialty in Mission Hills, CA — not a recommendation.
Other clinicians in Providence Facey Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013730787 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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