; and (B) by inserting before the semicolon at the end the following , and (CC) with respect to opioid use disorder treatment services, the amount paid shall be equal to 80 percent of the amount determined under section 1834(w) . (2) Payment determination Section 1834 of the Social Security Act ( 42 U.S.C. 1395m ) is amended by adding at the end the following new subsection: (w) Opioid use disorder treatment services (1) In general The Secretary shall pay to an opioid treatment program (as defined in paragraph (2) of section 1861(jjj)) a bundled payment under this part for opioid use disorder treatment services (as defined in paragraph (1) of such section) that are furnished during an episode of care (as defined by the Secretary) beginning on or after January 1, 2020, to an individual by a physician or other practitioner at such program. Such payment shall be in lieu of any payment that would otherwise be made under this part to such physician or practitioner for furnishing such services. (2) Payment amount (A) In general Subject to subparagraph (B), the amount of a bundled payment under this subsection, with respect to opioid use disorder treatment services (as so defined) furnished during an episode of care (as so defined) beginning during 2020 or a subsequent year, shall be an amount determined by the Secretary that is based on the rates of payment for comparable services that are paid under State plans under title XIX. (B) Periodic updates The Secretary shall, as determined necessary by the Secretary (but not less frequently than once every 5 years), review and update the amount of a bundled payment under this subsection with respect to opioid use disorder treatment services (as so defined) furnished during an episode of care (as so defined). . (d) Including opioid treatment programs as Medicare providers Section 1866 of the Social Security Act ( 42 U.S.C. 1395cc ) is amended— (1) in subsection (e)— (A) in paragraph (2), by striking at the end and