Psychologist in Ontario, CA

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

Psychologist providers in Ontario, CA
NPI Name Type Specialty Location
1720166903 Jennifer Luu Individual Psychologist Ontario, CA
1225221906 Julie Myers Individual Clinical Psychologist Ontario, CA
1407981541 Kelline Deespinosa Individual Clinical Psychologist Ontario, CA
1003946179 Pardis Amirhoushmand Individual Psychologist Ontario, CA
1336270305 Sherif Toma Individual Psychologist Ontario, CA

Frequently asked questions

How many Psychologist providers are in Ontario, CA?
The latest NPPES snapshot lists 45 active Psychologist providers with a practice address in Ontario, California.
How do I check a Psychologist 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.