Registered Nurse in Ontario, CA
64 active Registered Nurse providers practice in Ontario, California according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.
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| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1053125583 | Ada Mbai | Individual | Medical-Surgical Registered Nurse | Ontario, CA |
| 1235702804 | Adelaida A Zavala | Individual | Registered Nurse | Ontario, CA |
| 1942015508 | Alyssa Marie Valerio | Individual | School Registered Nurse | Ontario, CA |
| 1487469045 | Amanda Sandoval | Individual | School Registered Nurse | Ontario, CA |
| 1417526914 | Amy Patrick | Individual | Psychiatric/Mental Health Registered Nurse | Ontario, CA |
| 1568176782 | Angie Lin | Individual | School Registered Nurse | Ontario, CA |
| 1720457906 | Anne Fannin | Individual | Psychiatric/Mental Health Registered Nurse | Ontario, CA |
| 1619343944 | Bianca Santiago | Individual | School Registered Nurse | Ontario, CA |
| 1922813583 | Brenda Palafox | Individual | School Registered Nurse | Ontario, CA |
| 1932914405 | Camille Counts | Individual | School Registered Nurse | Ontario, CA |
| 1295540854 | Claudia Valerio | Individual | School Registered Nurse | Ontario, CA |
| 1386459949 | Dana Smith | Individual | School Registered Nurse | Ontario, CA |
| 1013722685 | Dawn Ruano | Individual | School Registered Nurse | Ontario, CA |
| 1417193921 | Debbie Norman | Individual | Registered Nurse | Ontario, CA |
| 1750196317 | Deborah Andrada-Mamisay | Individual | School Registered Nurse | Ontario, CA |
| 1366393415 | Elizabeth Merida | Individual | School Registered Nurse | Ontario, CA |
| 1730788423 | Esther Wanyoike | Individual | Registered Nurse | Ontario, CA |
| 1881274470 | Exacts Nursing Infusion | Organization | Infusion Therapy Registered Nurse | Ontario, CA |
| 1770438210 | Felix Xie | Individual | Registered Nurse | Ontario, CA |
| 1902758535 | Florifis Almero | Individual | Registered Nurse | Ontario, CA |
| 1346916426 | Georgina Floyd | Individual | Registered Nurse | Ontario, CA |
| 1245631365 | Gerardo Regalado | Individual | Registered Nurse | Ontario, CA |
| 1841664737 | Guadalupe Rincon | Individual | Child & Adolescent Psychiatric/Mental Health Registered Nurse | Ontario, CA |
| 1861371866 | Gynieka Harvey | Individual | Registered Nurse | Ontario, CA |
| 1629963350 | Helen Ogwo | Individual | Registered Nurse | Ontario, CA |
| 1003012691 | Irene Bacus | Individual | Registered Nurse | Ontario, CA |
| 1497560056 | Jacqyline Murray | Individual | School Registered Nurse | Ontario, CA |
| 1477988244 | Jill Rose Cariazo | Individual | Psychiatric/Mental Health Registered Nurse | Ontario, CA |
| 1710483839 | Kathleen Bolding | Individual | Registered Nurse | Ontario, CA |
| 1518359009 | Kecia Trannon | Individual | Registered Nurse | Ontario, CA |
| 1447119219 | Lorena Rojas | Individual | Registered Nurse | Ontario, CA |
| 1902058183 | Maria Teresa Genuino | Individual | Registered Nurse | Ontario, CA |
| 1669287223 | Marie Lea Dawn Bondoc | Individual | School Registered Nurse | Ontario, CA |
| 1538974100 | Marissa Sitz | Individual | School Registered Nurse | Ontario, CA |
| 1740837798 | Martin Dole | Individual | Emergency Registered Nurse | Ontario, CA |
| 1063816015 | Martinique Cisneros | Individual | Psychiatric/Mental Health Registered Nurse | Ontario, CA |
| 1437658929 | Mary Adetula | Individual | Registered Nurse | Ontario, CA |
| 1487453460 | Meehee Hong | Individual | School Registered Nurse | Ontario, CA |
| 1659976777 | Meena Kakar | Individual | Registered Nurse | Ontario, CA |
| 1255291845 | Megan Miyamura | Individual | Registered Nurse | Ontario, CA |
| 1548984925 | Mengshan Huang | Individual | Registered Nurse | Ontario, CA |
| 1790157337 | Nancy Maina | Individual | Registered Nurse | Ontario, CA |
| 1508432758 | Naomi Kihugu | Individual | Registered Nurse | Ontario, CA |
| 1902757974 | Natalie Velasco | Individual | School Registered Nurse | Ontario, CA |
| 1982176475 | Pamela Apostolou | Individual | Psychiatric/Mental Health Registered Nurse | Ontario, CA |
| 1497514251 | Priscilla Cabreza | Individual | Registered Nurse | Ontario, CA |
| 1700332327 | Ramon Cardenas | Individual | Administrator Registered Nurse | Ontario, CA |
| 1366257933 | Randy Mejia | Individual | School Registered Nurse | Ontario, CA |
| 1881677649 | Ricardo Vela | Individual | Registered Nurse | Ontario, CA |
| 1568399350 | Rosa Loyola | Individual | Registered Nurse | Ontario, CA |
Frequently asked questions
How many Registered Nurse providers are in Ontario, CA?
The latest NPPES snapshot lists 64 active Registered Nurse providers with a practice address in Ontario, California.
How do I check a Registered Nurse provider's NPI in Ontario?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.
Source: CMS NPPES (public data). Snapshot 2026-07-10.