Addiction and mental health treatment in O Fallon, MO
3 treatment centers.
- Compass Health/DBA Crider Health Center(660) 442‑1054Substance use · Mental health · 161 Pieper Road
- Eastern MO Alt Sentencing Services Inc(636) 281‑3001Substance use · 120B O Fallon Plaza
- VA Saint Louis Healthcare System(800) 228‑5459Substance use · Mental health · 844 Waterbury Falls Drive
Nearest emergency rooms
- SSM St Joseph Hospital West4.8 mi · Lake Saint Louis, MO
- Barnes-Jewish St Peters Hospital7.0 mi · Saint Peters, MO
- Progress West Hospital8.1 mi · Ofallon, MO
Common questions
How many addiction and mental health treatment centers are in O Fallon, Missouri?
SAMHSA’s FindTreatment.gov directory lists 3 treatment centers in O Fallon: Compass Health/DBA Crider Health Center, Eastern MO Alt Sentencing Services Inc and VA Saint Louis Healthcare System.
Which treatment centers in O Fallon accept Medicaid?
1 of 3 name Medicaid among the payments they accept: Compass Health/DBA Crider Health Center. Ask whether they take your plan.
Is there a treatment center with services in Spanish in O Fallon?
None of the listed facilities here lists Spanish. SAMHSA’s National Helpline (1-800-662-4357) answers in Spanish and can refer you.
Where is the nearest emergency room to O Fallon?
Hospitals that list emergency services in Medicare data, near O Fallon: SSM St Joseph Hospital West, Lake Saint Louis (4.8 mi), Barnes-Jewish St Peters Hospital, Saint Peters (7.0 mi) and Progress West Hospital, Ofallon (8.1 mi). In an emergency, call 911.
Source: SAMHSA, FindTreatment.gov (National Directory of Mental Health and Substance Use Treatment Facilities), retrieved 2026-11-11. SAMHSA publishes no separate release date for this live directory. The directory has no quality ratings, and this list is not a ranking or a recommendation. Methodology