The road to recovery can be long for fentanyl addicts. Thankfully, there are many forms of opioid addiction disorder treatment providers/programs available in the US. These drug rehab centers and fentanyl addiction treatments can be very effective in some cases and can save lives. They include medication-assisted treatments using opioid addiction medicine such as methadone, experiential therapy, residential treatment programs, partial hospitalization program (PHP), inpatient treatment, intensive outpatient rehab programs, and cognitive behavioral therapy or individual therapy.