Substance use treatment; Outpatient; Intensive outpatient treatment; Regular outpatient treatment; Does not treat alcohol use disorder; Does not treat opioid use disorders; Anger management; Brief intervention; Cognitive behavioral therapy; Contingency management/motivational incentives; Motivational interviewing; Relapse prevention; Substance use disorder counseling; Private non-profit organization; State Substance use treatment agency; State department of health; Federal, or any government funding for substance use treatment programs; Medicare; Medicaid; Private health insurance; Cash or self-payment; State-financed health insurance plan other than Medicaid; Sliding fee scale (fee is based on income and other factors); Adolescents; Young adults; Adult women; Pregnant/postpartum women; Adult men; Seniors or older adults; Lesbian, gay, bisexual, transgender, or queer/questioning (LGBTQ); Veterans; Active duty military; Members of military families; Criminal justice (other than DUI/DWI)/Forensic clients; Clients with co-occurring mental and substance use disorders; Clients with co-occurring pain and substance use disorders; Clients with HIV or AIDS; Clients who have experienced sexual abuse; Clients who have experienced intimate partner violence, domestic violence; Outreach to persons in the community; Screening for substance use; Professional interventionist/educational consultant; Drug or alcohol urine screening; Aftercare/continuing care; Discharge Planning; Outcome follow-up after discharge; Treatment for other addiction disorder; Substance use disorder education; Individual counseling; Group counseling; Smoking permitted without restriction; Children/adolescents; Seniors; Female; Male; Specially designed program for DUI/DWI clients; Vaping permitted in designated area; Case management service