Quick answers
- Does Mariel Villanueva accept Medicare assignment?
- Yes. Medicare's clinician data says Mariel Villanueva 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 Mariel Villanueva's NPI number?
- 1871361774. 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 Mariel Villanueva is enrolled with Medicare (CMS data updated October 2, 2026).
- 1530 Hillhurst AveLos Angeles, CA 90027 (323) 644‑3880
- 9960 Baldwin PlEl Monte, CA 91731 (626) 774‑2988
Group practices
Medicare enrollment lists Mariel Villanueva as a member of this group (CMS data updated October 2, 2026).
- Asian Pacific Health Care Venture, Inc.21 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in Asian Pacific Health Care Venture, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | Johns Hopkins University School Of Medicine |
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871361774 |
| 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