Medicare Part D Subsidy Expansion Reduces Cost-Related Medication Non-Adherence By 5.5 Percentage Points Among Low-Income Seniors

Following a 2024 expansion of Medicare Part D low-income subsidies (LIS), cost-related medication non-adherence declined by 5.5 percentage points among older adults with cardiovascular disease or related risk factors, according to a recent analysis.

The expansion, implemented under the Inflation Reduction Act, increased eligibility for full LIS benefits from 135% to 150% of the federal poverty level (FPL), extending financial assistance for prescription drug costs to a broader group of Medicare beneficiaries.

The analysis was based on data from the National Health Interview Survey (NHIS) from 2021 through 2024 and included 28,010 Medicare beneficiaries age . . .