Substance use treatment; Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children; Residential/24-hour residential; Long-term residential; In-network prescribing entity; No formal relationship with prescribing entity; Accepts clients using MAT but prescribed elsewhere; Private non-profit organization; State Substance use treatment agency; State department of health; Federal, or any government funding for substance use treatment programs; Medicaid; Comprehensive mental health assessment; Comprehensive substance use assessment; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Professional interventionist/educational consultant; Breathalyzer or blood alcohol testing; Drug and alcohol oral fluid testing; Drug or alcohol urine screening; Discharge Planning; Self-help groups; Housing services; Assistance with obtaining social services; Treatment for gambling disorder; Substance use disorder education; Smoking/vaping/tobacco cessation counseling; Individual counseling; Group counseling; Family counseling; Marital/couples counseling; Smoking not permitted; Adults; Young adults; Female; Case management service; Mental health services