Substance use treatment; Outpatient; Outpatient methadone/buprenorphine or naltrexone treatment; Regular outpatient treatment; Buprenorphine used in Treatment; Does not treat alcohol use disorder; Buprenorphine maintenance; Prescribes buprenorphine; Buprenorphine without naloxone; Anger management; Brief intervention; Cognitive behavioral therapy; Motivational interviewing; Substance use disorder counseling; Telemedicine/telehealth therapy; 12-step facilitation; Private for-profit organization; The Joint Commission; Medicaid; Cash or self-payment; Sliding fee scale (fee is based on income and other factors); Young adults; Adult women; Adult men; Seniors or older adults; Clients with co-occurring mental and substance use disorders; Comprehensive mental health assessment; Comprehensive substance use assessment; Screening for substance use; Screening for mental disorders; Breathalyzer or blood alcohol testing; Aftercare/continuing care; Housing services; Substance use disorder education; Individual counseling; Group counseling; Family counseling; Marital/couples counseling; Smoking permitted without restriction; Children/adolescents; Seniors; Female; Male; Specially designed program for DUI/DWI clients; Vaping permitted without restriction; Case management service; Mental health services; Social skills development