1 NPI-registered providers practice in Onatario, California. Pick another city in the rail, or open the full search to filter by specialty and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Mona Vasquez-Acayturri | Addiction (Substance Use Disorder) Counselor | Onatario, CA | 1174994016 |
Source: CMS NPPES Data Dissemination (June 2026).
