NPI Portal NPI Lookup & Verification

Nurse Practitioner in Ontario, CA

103 active Nurse Practitioner providers practice in Ontario, California according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Nurse Practitioner providers in Ontario, CA
NPI Name Type Specialty Location
1952330888 Betty Garner Individual Adult Health Nurse Practitioner Ontario, CA
1568554194 Cathleen Manusia Individual Nurse Practitioner Ontario, CA
1245226000 Hope Santiago Individual Nurse Practitioner Ontario, CA
1912111543 Lincoln Heights Family & Industrial Medical Clinic Organization Obstetrics & Gynecology Nurse Practitioner Ontario, CA
1467379321 Sarah Horton Individual Nurse Practitioner Ontario, CA
1447322672 Stefanie Varela Individual Nurse Practitioner Ontario, CA
1881889145 Vicenta Yasay Individual Nurse Practitioner Ontario, CA

Frequently asked questions

How many Nurse Practitioner providers are in Ontario, CA?
The latest NPPES snapshot lists 103 active Nurse Practitioner providers with a practice address in Ontario, California.
How do I check a Nurse Practitioner 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.