CMS released Wednesday (Feb. 1) an advance notice of changes to Medicare Part D payment policies plans will need to factor into their operations in 2024, most of which are measures enacted under the Inflation Reduction Act to lower out-of-pocket prescription drug costs for beneficiaries. These include an expansion of the Part D Low-Income Subsidy program (LIS), elimination of cost-sharing when beneficiaries reach the catastrophic stage of the Part D benefit, no cost-sharing for adult vaccines, an out-of-pocket cap of...