On November 1, 2019, the Centers for Medicare & Medicaid Services (CMS) began enrolling opioid treatment programs (OTPs) as Medicare provider organizations to receive payment for a new Medicare addiction treatment benefit that begins on January 1, 2020. Medicare will pay OTPs through bundled payments for opioid use disorder (OUD) treatment services in an episode of care provided to people with Medicare Part B. OTPs must be enrolled in the Medicare program to receive reimbursement for services provided to beneficiaries. CMS finalized the episode of care as one continuous seven-day period, in part because OTPs already are paid by . . .