South Texas Substance Abuse Recovery Services (STSARS) is a nonprofit treatment provider in Corpus Christi, Texas, founded in 1969 to help people recover from opioid addiction. It offers outpatient substance abuse services for the Coastal Bend area, including medication-assisted treatment, outpatient programs, and aftercare. It has special programs for pregnant and postpartum women and justice-involved clients, and services are free for patients who cannot afford to pay.