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; Buprenorphine maintenance for predetermined time; Prescribes buprenorphine; Buprenorphine with naloxone; Buprenorphine without naloxone; Buprenorphine (extended-release, injectable); Matrix Model; Relapse prevention; Substance use disorder counseling; Telemedicine/telehealth therapy; Private for-profit organization; Commission on Accreditation of Rehabilitation Facilities (CARF); Medicaid; Federal military insurance (e.g., TRICARE); Private health insurance; Cash or self-payment; State-financed health insurance plan other than Medicaid; Comprehensive substance use assessment; Outreach to persons in the community; Screening for tobacco use; Screening for substance use; Drug and alcohol oral fluid testing; Drug or alcohol urine screening; HIV testing; Testing for Hepatitis B (HBV); Testing for Hepatitis C (HCV); Discharge Planning; Naloxone and overdose education; Housing services; Assistance with obtaining social services; Substance use disorder education; Smoking/vaping/tobacco cessation counseling; Individual counseling; Group counseling; Smoking permitted in designated area; Adults; Young adults; Female; Male; Vaping permitted in designated area; Case management service