Substance Use Treatment in Saint Louis, MO

Westend Clinic

What Does Westend Clinic Offer?

Westend Clinic is a substance use treatment facility at 5736 West Florissant Avenue, Saint Louis, Missouri, offering detox, partial hospitalization, intensive outpatient and outpatient treatment. It accepts Medicaid, private insurance, state-financed insurance and self-pay and offers a sliding fee scale and payment assistance. Medication treatment: methadone (certified opioid treatment program).

Reviewed by Michael Rupe ·October 2, 2026

5736 West Florissant Avenue
Saint Louis, MO 63120

Listed in SAMHSA's FindTreatment.gov, checked October 2026. A listing is not an endorsement. Call to confirm services, openings and costs before you go.

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Treatment facility (SAMHSA listing)This facility

Types of Care at Westend Clinic

Outpatient
Outpatient detoxification
Outpatient day treatment or partial hospitalization
Intensive outpatient treatment
Outpatient methadone/buprenorphine or naltrexone treatment
Regular outpatient treatment

Payment, Insurance and Help Paying

Federal, or any government funding for substance use treatment programs
Medicaid
Private health insurance
Cash or self-payment
State-financed health insurance plan other than Medicaid
Payment assistance (check with facility for details)
Sliding fee scale (fee is based on income and other factors)

Medication Treatment

Federally-certified Opioid Treatment Program
Methadone detoxification
Methadone maintenance
Maintenance service with medically supervised withdrawal after stabilization
Methadone

Detox Services

Opioids detoxification
Medication routinely used during detoxification

Who the Program Serves

Adult women
Pregnant/postpartum women
Adult men
Clients with co-occurring mental and substance use disorders
Clients with HIV or AIDS
Clients who have experienced trauma
Ages: Young Adults
Ages: Adults
Ages: Seniors
Accepts: Female
Accepts: Male
Opioid use disorder clients only

Licensing and Accreditation

Commission on Accreditation of Rehabilitation Facilities (CARF)

Treatment Approaches

Brief intervention
Motivational interviewing
Relapse prevention
Substance use disorder counseling

Assessment, Recovery Support and Other Services

Comprehensive mental health assessment
Comprehensive substance use assessment
Interim services for clients
Outreach to persons in the community
Screening for tobacco use
Screening for substance use
Screening for mental disorders
Aftercare/continuing care
Discharge Planning
Assistance with obtaining social services
Mentoring/peer support
Case management service
Early intervention for HIV
Social skills development
Breathalyzer or blood alcohol testing
Drug and alcohol oral fluid testing
HIV testing
STD testing
TB screening
Testing for Hepatitis B (HBV)
Testing for Hepatitis C (HCV)

Before you commit, confirm openings, costs and the program's state license. How to choose a rehab you can trust lists the questions to ask when you call, and addiction treatment in Missouri lists the state's treatment agency.