Aegis Treatment Center
125 West F Street, Ontario, CA 91762

Looking for dual diagnosis treatment in Ontario? 8 of the city's 10 listed providers offer it.
Dual diagnosis programs treat substance use together with mental health conditions such as depression, anxiety, PTSD or bipolar disorder. Treating both at once tends to work better than treating them separately.
125 West F Street, Ontario, CA 91762
125 West F Street, Ontario, CA 91762
1354 Carlos Place, Ontario, CA 91764
3286 Guasti Road, Ontario, CA 91761
3286 Guasti Road, Ontario, CA 91761
3286 East Guasti Road, Ontario, CA 91761
316 East E Street, Ontario, CA 91764
812 North Euclid Avenue, Ontario, CA
We list 8 facilities in Ontario, CA reporting dual diagnosis services. Call ahead to confirm availability and wait times.
Ask each facility whether they are licensed by California, whether they accept your insurance or Medicaid, how soon they can admit you, and whether they offer medication for opioid or alcohol use disorder.
Last reviewed 2026-10-06. Facility details come from SAMHSA's FindTreatment.gov locator and facility-provided information. Confirm services, availability and payment directly with the facility.