Healthcare Providers in Ontario, California
6,142 active healthcare providers are enumerated in Ontario, per the CMS NPPES dataset.
6,142Total providers
5,432Individual providers
710Organizations
Search near Ontario, California
Results are filtered to California — NPISignal search does not yet scope by city. The provider list below is specific to Ontario.
Top Specialties in Ontario
- 1Behavior Technician2,846
- 2Behavior Analyst371
- 3Marriage & Family Therapist185
- 4Student in an Organized Health Care Education/Training Program176
- 5Social Worker — Clinical147
- 6Assistant Behavior Analyst121
- 7Speech-Language Pathologist106
- 8Counselor — Addiction (Substance Use Disorder)104
- 9Dentist — General Practice92
- 10Pharmacist89
Providers in Ontario
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| Provider | Type | Specialty | NPI |
|---|---|---|---|
| Madonna Siao | Individual | Behavior Technician | 1033627542 |
| Jennifer Casanova | Individual | Behavior Analyst | 1033627559 |
| Martina Odabe | Individual | Behavior Technician | 1033656046 |
| Reginald Lesueur | Individual | Behavior Technician | 1033680202 |
| Spencer Louie | Individual | Student in an Organized Health Care Education/Training Program | 1033684972 |
| Bethzaida Mata | Individual | Behavior Technician | 1033688205 |
| Cassandra Castellano Becerra | Individual | Student in an Organized Health Care Education/Training Program | 1033692694 |
| Ashley Mitchell | Individual | Behavior Technician | 1033709563 |
| Bettyjo Lynn Holley | Individual | Behavior Technician | 1033729736 |
| Krystle Menendez | Individual | Assistant Behavior Analyst | 1033737101 |
| Aubrianna N Abrams | Individual | Behavior Technician | 1033761440 |
| Alyssa Quinones | Individual | Behavior Analyst | 1033768247 |
| Youngsen Jeng, DPM | Individual | Podiatrist — Foot & Ankle Surgery | 1033785076 |
| Erika Marie Rossi | Individual | Behavior Technician | 1033804554 |
| Ageless Health Group, a Professional Corp Nursing | Organization | Clinic/Center — Multi-Specialty | 1033829478 |
| Alexandria Noelle Korhely-Day | Individual | Student in an Organized Health Care Education/Training Program | 1033843792 |
| Brent Debord | Individual | Specialist/Technologist — Speech-Language Assistant | 1033852934 |
| Jeannie Amanda Jimenez | Individual | Behavior Technician | 1033887682 |
| Michelle Riel | Individual | Behavior Technician | 1033908454 |
| Alexis Victoria Sims | Individual | Behavior Technician | 1033925516 |
| Abby R Armagost | Individual | Behavior Analyst | 1033938352 |
| Nicole Urzua | Individual | Behavior Technician | 1033939871 |
| Tramell Lamont Tuggle | Individual | Counselor — Addiction (Substance Use Disorder) | 1033944145 |
| Michael Chang Ontario Dental Corp | Organization | Dentist — General Practice | 1033949581 |
| Miriam Esther Villegas | Individual | Behavior Analyst | 1033950118 |
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