Inflation Reduction Act Research Series: Medicare Part D Enrollee Savings from Elimination of Vaccine Cost-Sharing


Mar 15, 2023


Bisma A. Sayed, Kenneth Finegold, Kaavya Ashok, Sarah Schutz, Nancy De Lew, Steven Sheingold, and Benjamin D. Sommers


Effective January 1, 2023, the Inflation Reduction Act (IRA) eliminated enrollee cost-sharing for recommended vaccines covered under Medicare Part D. In 2021, 3.4 million people received vaccines under Part D, and annual out-of-pocket costs were $234 million. This translates to nearly $70 in out-of-pocket spending per Medicare enrollee receiving a Part D vaccine that they would not have had to pay if the IRA had been in effect in 2021.

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