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; Other contracted prescribing entity; No formal relationship with prescribing entity; Does not treat alcohol use disorder; Accepts clients using MAT but prescribed elsewhere; Medication for mental disorders; Nicotine replacement; Cognitive behavioral therapy; Motivational interviewing; Relapse prevention; Trauma-related counseling; 12-step facilitation; Private for-profit organization; Cash or self-payment; Comprehensive mental health assessment; Comprehensive substance use assessment; Complete medical history/physical exam; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Drug and alcohol oral fluid testing; Drug or alcohol urine screening; STD testing; Discharge Planning; Outcome follow-up after discharge; Self-help groups; Mentoring/peer support; Treatment for gambling disorder; Treatment for other addiction disorder; Health education services other than HIV/AIDS or hepatitis; Substance use disorder education; Individual counseling; Group counseling; Family counseling; Smoking not permitted; Adults; Children/adolescents; Female; Male; Spanish; Vaping not permitted; Case management service; Mental health services; Social skills development; Integrated primary care services; Suicide prevention services