Drug Rehab Centers in O Fallon, MO

1 drug and alcohol rehab program in O Fallon, with 19 within about 25 miles.

O Fallon has 1 rehab center in the SAMHSA directory, and about 19 within a 25 mile radius. The nearest program outside O Fallon is about 6 miles west, in Wentzville. The local center does not report accepting Medicaid.

Use the breakdowns below to narrow by the level of care or the type of program you need. Each option has its own local list and guidance.

63366

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Rehab facilities in O Fallon

Real licensed facilities, from SAMHSA / FindTreatment.gov (public domain).

Eastern MO Alt Sentencing Servs Inc

120B O Fallon Plaza, O Fallon, MO 63366

OutpatientIntensive outpatient treatmentRegular outpatient treatmentFederal, or any government funding for substance use treatment programsCash or self-payment

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Nearby cities

Wentzville 6 mi Saint Peters 7 mi Saint Charles 10 mi Chesterfield 10 mi Troy 19 mi Florissant 21 mi Warrenton 24 mi High Ridge 26 mi

Questions about rehab in O Fallon

How much does rehab cost in O Fallon?

Costs vary by program and insurance. Many O Fallon centers accept Medicaid or private insurance, so call to check your coverage.

How long does rehab take?

Residential programs commonly run 30 to 90 days, and outpatient treatment often continues for several months after.

Do I need detox before rehab?

If you are physically dependent on alcohol, opioids, or benzodiazepines, medical detox usually comes first. Many O Fallon programs can arrange detox or admit you straight after it.

Helpful guides

How Much Does Drug Rehab Cost? Real Numbers for 2026 Does Insurance Cover Rehab? What Your Plan Actually Pays For What Is Rehab and How Does It Actually Work?

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