At our MedMark Treatment Center in East Peoria, Illinois, we offer comprehensive medication-assisted treatment for opioid substance use disorder. As an outpatient treatment center, our East Peoria center provides the treatment and services that help patients from start to finish with opiate detox from fentanyl, heroin, and other opioid substances. We provide a non-judgmental environment supported by experienced medical providers and substance use counseling so you or a loved one can begin the journey toward recovery.