ABA Therapy in Ontario, CA
Last updated: April 17, 2026
20 NPI-registered pediatric ABA therapy providers serve Ontario, CA. Each listing includes the provider's name, location, specialties, listed credentials, and current new-patient status, with a link to the full profile and to verify the provider in the official BACB registry. Listings refreshed from the NPPES registry April 2026.
20 providers in Ontario
How we vet: Every listing starts from the provider's federal CMS NPI record and is refreshed from the registry on a recurring schedule, with direct links to the certification or state-licensing body for its specialty so you can verify credentials at the source. We do not accept paid placement. Read our full verification methodology.
Other Therapy Types in Ontario
20 ABA Therapists in Ontario
Abby Armagost
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
657-242-2139
Camille Adams
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
510-277-5161
Cristina Aceves
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
866-727-8274
Cristina Arellano
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
866-727-8274
David Ardines
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
909-507-8332
Deana Alvarado
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
909-476-5747
Itzel Amezcua
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
855-295-3276
Jasmine Armstrong
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
855-223-7123
Jenevie Aboubakare
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
909-259-5600
Joshua Allmond
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
909-476-5747
Kelly Aguirre
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
714-834-1111
Mariah Argomaniz
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
714-834-1111
Matthew Arellano, BCBA
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
855-295-3276
Oluwaseyi Adeyinka
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
626-251-7391
Rosalia Alvarado Trujillo, BCBA
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
818-241-6780
Steven Arrieta
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
909-476-5747
Takeira Adams, BCBA
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
909-259-5600
Tamilore Ajayi
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
951-298-9751
Terrell Allen
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
714-834-1111
Victoria Agbelusi
Ontario, CA
Applied Behavior Analysis provider in Ontario, CA
714-834-1111
ABA Therapy in Nearby Cities
About ABA Therapy for Children in Ontario, CA
ABA Therapy can make a significant difference in your child's development. If you're looking for pediatric aba therapy providers in Ontario, our directory can help you find qualified, experienced therapists who specialize in working with children.
What is ABA Therapy?
Applied Behavior Analysis therapists work with children on the autism spectrum to develop communication, social, and behavioral skills.
Finding the Right ABA Therapist in Ontario
When choosing a aba therapy provider for your child in Ontario, California, consider factors such as their experience with your child's specific needs, accepted insurance plans, location convenience, and whether they offer in-clinic, in-home, or telehealth sessions.
Signs Your Child May Benefit from ABA Therapy
Early intervention is key for pediatric therapy. If you notice your child struggling with age-appropriate milestones, talk to your pediatrician about whether aba therapy might help. Many families in Ontario find that starting therapy early leads to better outcomes.