; and (B) by inserting , and $0 for each year subsequent year after $1) . 1002. Reducing Medicare part D annual out-of-pocket threshold Section 1860D–2(b)(4)(B) of the Social Security Act ( 42 U.S.C. 1395w–102(b)(4)(B) ) is amended— (1) in clause (i), by striking For purposes and inserting Subject to clause (iii), for purposes ; and (2) by adding at the end the following new clause: (iii) Reduction in threshold during transition period (I) In general Subject to subclause (II), for plan years beginning on or after January 1 following the date of enactment of the Medicare for All Act and before January 1 of the year that is 4 years following such date of enactment, notwithstanding clauses (i) and (ii), the annual out-of-pocket threshold specified in this subparagraph is equal to $300. (II) Authority to exempt brand-name drugs if generic available In applying subclause (I), the Secretary may exempt costs incurred for a covered part D drug that is an applicable drug under section 1860D–14A(g)(2) if the Secretary determines that a generic version of that drug is available. . 1003. Expanding Medicare to cover dental and vision services and hearing aids and examinations under part B (a) Dental services (1) Removal of exclusion from coverage Section 1862(a) of the Social Security Act ( 42 U.S.C. 1395y(a) ) is amended by striking paragraph (12). (2) Coverage (A) In general Section 1861(s)(2) of the Social Security Act ( 42 U.S.C. 1395x(s)(2) ) is amended— (i) in subparagraph (II), by striking and at the end; (ii) in subparagraph (JJ), by inserting and at the end; and (iii) by adding at the end the following new subparagraph: (KK) dental services; . (B) Payment Section 1833(a)(1) of the Social Security Act ( 42 U.S.C. 1395l(a)(1) ) is amended— (i) by striking and before (HH)