Ontario, CA · Treatment facilities
Treatment facilities in Ontario, CA
Ontario ranks #638 of 5,095 among tracked cities by SAMHSA N-SUMHSS facility count, #67 of 370 within California. Ontario, California has a modest, real set of listed providers: 6 substance use and mental health treatment facilities on record.
- 6
- Facilities
- 4
- With MAT
- 6
- Accept Medicaid
- 6
- Telehealth
Ontario ranks #638 of 5,095 among tracked cities by SAMHSA N-SUMHSS facility count, #67 of 370 within California. See methodology · corpus placement.
Ontario ranks #638 of 5,095 among tracked cities by SAMHSA N-SUMHSS facility count, #67 of 370 within California. 4 report offering Medication-Assisted Treatment and 6 accept Medicaid. See /methodology#corpus-placement.
Track Ontario, CA and dataset updates
There's no city-level save button here by design: open each facility's own profile in Ontario, CA to add it to your watchlist. We log a changelog entry only when SAMHSA actually refreshes the data or we correct something.
Data as of 2026-07-11: N-SUMHSS is an annual federal survey, not a live feed.
What the SAMHSA Record Shows for Ontario, CA
Ontario, California has a modest, real set of listed providers: 6 substance-use and mental-health treatment facilities on record with SAMHSA's N-SUMHSS survey. Of Ontario's 6 listed facilities, 6 report outpatient programming, 6 report telehealth options, 3 report residential beds, and 3 report medically supervised detox -- a full spread across every tracked modality.
Medication-Assisted Treatment is confirmed at 4 of 6 facilities (67%), combining FDA-approved medications such as buprenorphine, methadone, or naltrexone with counseling for opioid and alcohol use disorder. On payment, 6 accept Medicaid, 5 accept private insurance, 3 accept Medicare, and 1 accepts a sliding-fee scale, self-reported and worth a quick intake call to confirm your specific plan before committing to a site.
Against the California statewide average across all 1,580 SAMHSA-listed facilities (41% offer MAT, 60% accept Medicaid), Ontario's own rates run at or above the MAT average and at or above the Medicaid average.
Ontario is mid-pack by inventory (#638 of 5,095): 6 listed facilities. The modality and payment mix above is the useful differentiator versus same-state cities with a similar facility count.
Registry note: use the facility cards for contact and flags only; confirm intake and coverage by phone. This is a structured public-data directory, not medical advice or a guarantee of admission.
Service & Payment Mix in Ontario
| Capability | Facilities | Share | Distribution |
|---|---|---|---|
| Medication-Assisted Treatment | 4 | 67% | |
| Medically Supervised Detox | 3 | 50% | |
| Residential Treatment | 3 | 50% | |
| Outpatient Programs | 6 | 100% | |
| Telehealth Available | 6 | 100% | |
| Accepts Medicaid | 6 | 100% | |
| Accepts Medicare | 3 | 50% | |
| Sliding-Fee Scale | 1 | 17% | |
| Accepts Private Insurance | 5 | 83% |
Computed from 6 SAMHSA-listed facilities in Ontario, California. Distribution bars represent the share of facilities reporting each capability.
The most commonly reported capability among Ontario's listed facilities is "Outpatient Programs," present at 100% of them (6 of 6).
All Facilities (6)
Ontario
125 West F Street, Suite 101, Ontario, CA 91762
Substance Use Treatment · Private for-profit organization
Ontario Outpatient
812 North Euclid Avenue, Ontario, CA 91762
Substance Use Treatment · Private non-profit organization
Mental Health Treatment
1354 Carlos Place, Ontario, CA 91764
Substance Use Treatment · Private for-profit organization
Addiction Treatment Center
3286 Guasti Road, Suite 100, Ontario, CA 91761
Substance Use Treatment · Private for-profit organization
Intensive Outpatient PHP/IOP
3286 East Guasti Road, Suite 110, Ontario, CA 91761
Substance Use & Mental Health · Private for-profit organization
Ontario TAY One Stop Center
316 East E Street, Suite 101, Ontario, CA 91764
Mental Health Treatment · Private for-profit organization
Source: SAMHSA, National Substance Use and Mental Health Services Survey (N-SUMHSS) and FindTreatment.gov (2024)
Similar inventory in California
- Irvine, CA · 6 facilities (same count)
- Laguna Hills, CA · 6 facilities (same count)
- Marysville, CA · 6 facilities (same count)
- Monterey, CA · 6 facilities (same count)
What to do with this
- 6 facilities are SAMHSA-listed in Ontario, 67% flagged for Medication-Assisted Treatment. Filter down to one that fits. Recovery program finder
- Coverage varies by plan even within Ontario. Confirm your specific insurance is in-network before committing to a facility. Check Medicare coverage
- Not sure what separates one facility type from another? Read the differences before you filter. Types of treatment facilities
Contact a facility directly to verify current availability, payment acceptance, and program details before enrolling.
Every figure on PlainRecovery is rendered directly from SAMHSA's published N-SUMHSS facility data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these facility listings, or report a data error. Data current as of 2024 N-SUMHSS release.