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Therapists in Ontario, CA

337 therapists with a practice address in Ontario, from the federal NPI Registry. Alphabetical by last name. Tap a name for the address, phone number and NPI record.

337therapists
7pages

NPI records don't show insurance, openings or telehealth. Call the office to confirm those before you book.

Showing 301–337 of 337Sorted by last name
Amira TahirCounselor · Ontario, CA 91762NPI 1881036663Dana TakahashiClinical Social Worker · Ontario, CA 91761NPI 1629593777Angela Talbot, MAMarriage & Family Therapist · Ontario, CA 91762NPI 1164577342Claudia TapiaAddiction Counselor · Ontario, CA 91762NPI 1669990768Laura Tapia, MFTMarriage & Family Therapist · Ontario, CA 91762NPI 1427274257Patricia Tatenco-Laguna, MAMarriage & Family Therapist · Ontario, CA 91761NPI 1720282262Alyse TaylorMental Health Counselor · Ontario, CA 91764NPI 1811179237Jennifer TaylorAddiction Counselor · Ontario, CA 91762NPI 1972839892Angelina ToledoCounselor · Ontario, CA 91762NPI 1336491091Sherif Toma, PsyDMental Health Counselor · Ontario, CA 91764NPI 1336270305Brenda Torres-Velazquez, BAClinical Social Worker · Ontario, CA 91762NPI 1902274400Holly TuyayMarriage & Family Therapist · Ontario, CA 91762NPI 1790175636Mari Ulate, MAMarriage & Family Therapist · Ontario, CA 91761NPI 1255697942Eduardo Umana CobarMental Health Counselor · Ontario, CA 91761NPI 1699226084Ismael Urbina, LCSWClinical Social Worker · Ontario, CA 91761NPI 1548362494Karla UrrutiaMental Health Counselor · Ontario, CA 91762NPI 1144591090Jamie ValdezMarriage & Family Therapist · Ontario, CA 91764NPI 1528477957Belinda Valdivia, LCSWMental Health Counselor · Ontario, CA 91762NPI 1245666304Graciela Vargas, MSWMental Health Counselor · Ontario, CA 91764NPI 1386808962Natividad Vasquez-Silva, MFTMarriage & Family Therapist · Ontario, CA 91762NPI 1023131471Jennifer Villalba, MSWClinical Social Worker · Ontario, CA 91762NPI 1225178353Brandi Walker, LMFTMarriage & Family Therapist · Ontario, CA 91761NPI 1235660879Leticia Walton, LCSWClinical Social Worker · Ontario, CA 91762NPI 1518112069Flenoid Debritt Webster, PsyDAddiction Psychologist · Ontario, CA 91761NPI 1215245501Carlyn WerdermanAddiction Counselor · Ontario, CA 91762NPI 1851724157Judith Willhide-James, LCSWClinical Social Worker · Ontario, CA 91761NPI 1205175106Christine Williams, LCSWClinical Social Worker · Ontario, CA 91761NPI 1386707990Shanael WilliamsAddiction Counselor · Ontario, CA 91762NPI 1730558057Allison Wing, LCSWClinical Social Worker · Ontario, CA 91761NPI 1497024483Samantha Wolsky, LMFTMarriage & Family Therapist · Ontario, CA 91761NPI 1205149390Rosemary Yates, LVNAddiction Counselor · Ontario, CA 91762NPI 1184842122Angela YbanezClinical Social Worker · Ontario, CA 91762NPI 1528243854Tanya Youngblood, MFTMarriage & Family Therapist · Ontario, CA 91762NPI 1548486285Celestial ZaldanaClinical Social Worker · Ontario, CA 91761NPI 1831469600Yvette ZamudioMental Health Counselor · Ontario, CA 91762NPI 1417209354Daniel ZatarainAddiction Counselor · Ontario, CA 91764NPI 1609157940Diana ZunigaMarriage & Family Therapist · Ontario, CA 91761NPI 1558659342

Other provider types in Ontario

Therapists337Psychiatrists5Psychologists12Licensed Counselors169Social Workers79Marriage & Family Therapists96Addiction Counselors51

Back to page 1 · All providers in Ontario

Listings come from the CMS National Plan and Provider Enumeration System (NPI Registry), October 2026 copy. A listing is not a recommendation. Nobody pays to appear here or to rank higher; lists are alphabetical by last name. This page is general information, not medical advice. How we verify

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