Outpatient or day treatment or partial hospitalization mental health facility Outpatient or Partial Day Treatment or Partial Hospitalization; Ages 18 and older; Transition-aged young adults aged 18-25; Adults with serious mental illness; Individuals with co-occurring mental and substance abuse disorders; Individuals with post-tramatic stress disorder; Veterans; Lesbian, gay, bisexual, or transgendered clients; Forensic clients (referred from the court/judicial system); ASL or other assistance for hearing impaired; Spanish; Medicaid; Client/patient fees (i.e., out-of-pocket); Private health insurance; Sliding fee scale (Fee is based on income and other factors);