Substance use treatment; Detoxification; Outpatient; Outpatient detoxification; Outpatient day treatment or partial hospitalization; Intensive outpatient treatment; Outpatient methadone/buprenorphine or naltrexone treatment; Regular outpatient treatment; Buprenorphine used in Treatment; Naltrexone used in Treatment; No formal relationship with prescribing entity; Does not use medication assisted treatment for alcohol use disorder; Buprenorphine detoxification; Prescribes buprenorphine; Prescribes naltrexone; Relapse prevention with naltrexone; Accepts clients using MAT but prescribed elsewhere; Buprenorphine with naloxone; Naltrexone (oral); Naltrexone (extended-release, injectable); Clonidine; Cognitive behavioral therapy; Motivational interviewing; Relapse prevention; Substance use disorder counseling; Trauma-related counseling; Telemedicine/telehealth therapy; Private for-profit organization; State department of health; Medicaid; Private health insurance; Cash or self-payment; Comprehensive substance use assessment; Complete medical history/physical exam; Screening for substance use; Breathalyzer or blood alcohol testing; Drug or alcohol urine screening; Aftercare/continuing care; Discharge Planning; Outcome follow-up after discharge; Assistance with obtaining social services; Mentoring/peer support; Opioids detoxification; Medication routinely used during detoxification; Substance use disorder education; Individual counseling; Group counseling; Family counseling; Smoking permitted in designated area; Adults; Young adults; Female; Male; Vaping permitted in designated area; Acupuncture; Case management service; Social skills development