Quick answers
- Does Rosmeri Marin Guerrero accept Medicare assignment?
- Yes. Medicare's clinician data says Rosmeri Marin Guerrero 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 Rosmeri Marin Guerrero's NPI number?
- 1164836672. 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 Rosmeri Marin Guerrero is enrolled with Medicare (CMS data updated October 2, 2026).
- 12021 S Wilmington Ave, Bldg 18 Suite 4dLos Angeles, CA 90059 (213) 819‑7243
- 12021 Wilmington Ave, Bldg 18 Suite 4dLos Angeles, CA 90059 (424) 454‑5425
- 1720 E 120th StLos Angeles, CA 90059 (310) 668‑4803
Group practices
Medicare enrollment lists Rosmeri Marin Guerrero as a member of this group (CMS data updated October 2, 2026).
- Los Angeles County Department of Mental Health282 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in Los Angeles County Department of Mental Health
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164836672 |
| 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