Substance use treatment; Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children; Outpatient; Residential/24-hour residential; Outpatient day treatment or partial hospitalization; Intensive outpatient treatment; Regular outpatient treatment; Short-term residential; Buprenorphine used in Treatment; In-network prescribing entity; Accepts clients using medication assisted treatment for alcohol use disorder but prescribed elsewhere; In-network prescribing entity; Accepts clients using MAT but prescribed elsewhere; Cognitive behavioral therapy; Community reinforcement plus vouchers; Motivational interviewing; Substance use disorder counseling; Telemedicine/telehealth therapy; Private non-profit organization; State department of health; IHS/Tribal/Urban (ITU) funds; Medicare; Medicaid; Federal military insurance (e.g., TRICARE); Private health insurance; Cash or self-payment; State-financed health insurance plan other than Medicaid; SAMHSA funding/block grants; Adolescents; Pregnant/postpartum women; Lesbian, gay, bisexual, transgender, or queer/questioning (LGBTQ); Members of military families; Criminal justice (other than DUI/DWI)/Forensic clients; Clients with co-occurring mental and substance use disorders; Clients with HIV or AIDS; Clients who have experienced sexual abuse; Clients who have experienced intimate partner violence, domestic violence; Clients who have experienced trauma; Comprehensive mental health assessment; Comprehensive substance use assessment; Interim services for clients; Outreach to persons in the community; Complete medical history/physical exam; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Drug or alcohol urine screening; Aftercare/continuing care; Discharge Planning; Self-help groups; Housing services; Assistance with obtaining social services; HIV or AIDS education, counseling, or support; Health education services other than HIV/AIDS or hepatitis; Substance use disorder education; Individual counseling; Group counseling; Family counseling; Marital/couples counseling; Smoking not permitted; Children/adolescents; Female; Male; Vaping permitted in designated area; Case management service; Domestic violence services, including family or partner; Mental health services; Social skills development; Transportation assistance; Suicide prevention services