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Drug and Alcohol Rehab Centers in Ontario,, CA

3 licensed programs

0 with medical detox

0 residential

3 outpatient

2 accept Medi-Cal

Ontario has 3 licensed addiction treatment programs in San Bernardino County. 3 offer outpatient and 1 offers medication for opioid or alcohol use. 2 report accepting Medi-Cal. Every listing is matched to the California license roll and shows the date we last checked it, and the phone number on each one rings the program itself.

If the person is stable and has a safe place to live, outpatient care keeps them at home at a fraction of the cost. Aegis Treatment Centers, San Bernardino County Behavioral Health and New Creation Addiction Treatment Center run outpatient programs in Ontario.

Licensed programs

  • Aegis Treatment Centers

    Aegis Treatment Centers offers outpatient and medication for opioid or alcohol use in Ontario, California, under a state license. It holds a narcotic treatment program license from the California Department of Health Care Services, number 36-11, which we last checked on October 9, 2026.

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  • New Creation Addiction Treatment Center

    New Creation Addiction Treatment Center offers outpatient in Ontario, California, under a state certification. It holds a certified record from the California Department of Health Care Services, number 360075DP, which we last checked on October 9, 2026.

    See full listing

  • Safe Haven Center

    Safe Haven Center offers outpatient in Ontario,, California, under a state certification. It holds a certified record from the California Department of Health Care Services, number 300767AP, which we last checked on October 9, 2026.

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  • San Bernardino County Behavioral Health

    San Bernardino County Behavioral Health is a state-certified addiction treatment program in Ontario, California, offering outpatient. It holds a certified record from the California Department of Health Care Services, number 360050UN, which we last checked on October 9, 2026.

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Choosing a program in Ontario

Ask which state record the program holds before you compare anything else. California licenses residential and detox programs and certifies outpatient programs through the Department of Health Care Services; the license line on each listing links to the state’s own record. A program whose website promises a level of care its license does not cover is listed here with what the license shows, not what the website says.

If nothing in Ontario has an opening, the nearest cities with their own pages are Claremont (3), Glendora (3), Riverside (19), Corona (8) and Covina (7).

Medi-Cal treatment in San Bernardino County is arranged through the county behavioral health access line, which can screen you by phone and refer you to a contracted program. More about treatment in San Bernardino County.

Common questions about treatment in Ontario

Does Medi-Cal cover rehab in Ontario?

Yes. 2 of the 3 licensed programs in Ontario report accepting Medi-Cal, including Aegis Treatment Centers and New Creation Addiction Treatment Center. Medi-Cal treatment is arranged through the county access line, and many programs can check your eligibility on the first call.

How do I know a program is licensed?

Every program on this page is matched to the California Department of Health Care Services license roll, and each listing shows the record it holds and the date we last checked it, with a link to the state’s own list.

What if nothing in Ontario has an opening?

The nearest cities with their own pages are Claremont (3 programs), Glendora (3 programs), Riverside (19 programs). Programs there are listed the same way.

Nearby cities

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