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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 201–250 of 337Sorted by last name
Elizabeth Meyer, AMFTMarriage & Family Therapist · Ontario, CA 91764NPI 1295258945Eva Miller, LCSWClinical Social Worker · Ontario, CA 91762NPI 1124244710Vicky Miller, LPTAddiction Counselor · Ontario, CA 91762NPI 1346430493Rocio Montelongo, MAAddiction Counselor · Ontario, CA 91762NPI 1609001742Abigail Montes De OcaMental Health Counselor · Ontario, CA 91762NPI 1811245053Andrea MoralesMarriage & Family Therapist · Ontario, CA 91762NPI 1871037028Carlos MoralesClinical Social Worker · Ontario, CA 91762NPI 1023205390Jessica MoralesMarriage & Family Therapist · Ontario, CA 91764NPI 1457687436Lilia MoralesCounselor · Ontario, CA 91764NPI 1427359017Steven Morris, CATCIIAddiction Counselor · Ontario, CA 91764NPI 1710154935Idalis Morrow, LMFTMarriage & Family Therapist · Ontario, CA 91761NPI 1265789606William MunozMental Health Counselor · Ontario, CA 91764NPI 1306243282Julie Myers, PhDClinical Psychologist · Ontario, CA 91764NPI 1225221906Paola NajarroClinical Social Worker · Ontario, CA 91761NPI 1922342831Jennifer Nakamura, LCSWClinical Social Worker · Ontario, CA 91761NPI 1598205544Joanna NessMarriage & Family Therapist · Ontario, CA 91762NPI 1326472598Jacquelyn Nguyen, PsyDPsychologist · Ontario, CA 91762NPI 1124542642Sara NixonCounselor · Ontario, CA 91762NPI 1730202169Martha Nunez, ACSWCounselor · Ontario, CA 91764NPI 1003344771Griselda O'CampoMental Health Counselor · Ontario, CA 91762NPI 1497027551Charles OhaeriMental Health Counselor · Ontario, CA 91764NPI 1144522517Beatriz Ornelas, LCSWClinical Social Worker · Ontario, CA 91764NPI 1801089719Edgar OrozcoProfessional Counselor · Ontario, CA 91764NPI 1750756110Yesenia Orozco, MFTIMarriage & Family Therapist · Ontario, CA 91762NPI 1952708992Erika OskierkoAddiction Counselor · Ontario, CA 91762NPI 1679012835Sandy Pacheco-Ramirez, LCSWMental Health Counselor · Ontario, CA 91764NPI 1760898670Divina PalomaresCounselor · Ontario, CA 91764NPI 1144516808Victoria Pappas, MSMarriage & Family Therapist · Ontario, CA 91762NPI 1437390010Christine PasekCounselor · Ontario, CA 91764NPI 1790967313Stacie Pasimio, LMFTMental Health Counselor · Ontario, CA 91761NPI 1346546157Kerry Paysen, LCSWClinical Social Worker · Ontario, CA 91764NPI 1285053652Aida Pelayo, NMental Health Counselor · Ontario, CA 91761NPI 1205237161Carmen Perryman, LCSWClinical Social Worker · Ontario, CA 91761NPI 1417145384Nhung PhanPsychologist · Ontario, CA 91762NPI 1578896429Sahachat Pharnichyakul, LMFTMarriage & Family Therapist · Ontario, CA 91761NPI 1558623397Delores PicouMarriage & Family Therapist · Ontario, CA 91761NPI 1043482961Rosie Pineda, MSMental Health Counselor · Ontario, CA 91764NPI 1760587950Lisa PirtleClinical Social Worker · Ontario, CA 91762NPI 1194065433Jennifer Ponce, LCSWMental Health Counselor · Ontario, CA 91761NPI 1477841666Dora PorterMental Health Counselor · Ontario, CA 91761NPI 1821379231Amber PortisMarriage & Family Therapist · Ontario, CA 91761NPI 1003393075Stefani PowellMental Health Counselor · Ontario, CA 91764NPI 1427276690Alice PruittAddiction Counselor · Ontario, CA 91762NPI 1568969269Elizabeth Quill, LCSWClinical Social Worker · Ontario, CA 91761NPI 1205021599Diane QuinnCounselor · Ontario, CA 91764NPI 1184947251Linda QuinonezAddiction Counselor · Ontario, CA 91762NPI 1912252206Lesley Quiran VelaMental Health Counselor · Ontario, CA 91762NPI 1346654696Singhi Rajan, MSWCounselor · Ontario, CA 91764NPI 1366621765Alisa Ramirez, MSMental Health Counselor · Ontario, CA 91764NPI 1760600845Leyla Rasooli, PsyDMarriage & Family Therapist · Ontario, CA 91761NPI 1912288390

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

In crisis?Tap to call 988