Substance use treatment; Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children; Outpatient; Regular outpatient treatment; 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; Medications for pre-exposure to prophylaxis; Medication for mental disorders; Brief intervention; Cognitive behavioral therapy; Motivational interviewing; Relapse prevention; Substance use disorder counseling; Trauma-related counseling; Telemedicine/telehealth therapy; Tribal government; State department of health; Federally Qualified Health Center; Federal, or any government funding for substance use treatment programs; IHS/Tribal/Urban (ITU) funds; Medicare; Medicaid; Private health insurance; Payment assistance (check with facility for details); Comprehensive mental health assessment; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Breathalyzer or blood alcohol testing; HIV testing; Testing for Hepatitis C (HCV); Discharge Planning; Assistance with obtaining social services; Treatment for gambling disorder; HIV or AIDS education, counseling, or support; Individual counseling; Group counseling; Family counseling; Marital/couples counseling; Smoking not permitted; Children/adolescents; Female; Male; Sign language services for the deaf and hard of hearing; Vaping not permitted; Case management service; Mental health services; Integrated primary care services; Suicide prevention services