Medicare Part D, the outpatient prescription drug benefit for Medicare beneficiaries, provides coverage above a catastrophic threshold for high out-of-pocket drug costs, but there is no cap on total out-of-pocket drug costs that beneficiaries pay each year. Recent legislative proposals would add a cap on out-of-pocket spending under Part D. This analysis focuses on the potential impact of different out-of-pocket spending caps in terms of how many beneficiaries would be affected and how much they could save.
