Substance use treatment; Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children; Outpatient; Intensive outpatient treatment; General Hospital (including VA hospital); No formal relationship with prescribing entity; Accepts clients using medication assisted treatment for alcohol use disorder but prescribed elsewhere; No formal relationship with prescribing entity; Accepts clients using MAT but prescribed elsewhere; Medication for mental disorders; Anger management; Brief intervention; Cognitive behavioral therapy; Matrix Model; Relapse prevention; Trauma-related counseling; Private for-profit organization; Hospital licensing authority; The Joint Commission; Medicare; Federal military insurance (e.g., TRICARE); Private health insurance; Cash or self-payment; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Discharge Planning; Naloxone and overdose education; Outcome follow-up after discharge; Mentoring/peer support; Treatment for other addiction disorder; Individual counseling; Group counseling; Smoking permitted in designated area; Adults; Young adults; Female; Male; Sign language services for the deaf and hard of hearing; Vaping not permitted; Mental health services