Part D Late Enrollment Penalty Calculator

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Estimated Monthly Penalty for 2024: $0.00

Medicare calculates the penalty by multiplying 1% of the "national base beneficiary premium" ($34.70 in 2024) times the number of full, uncovered months you didn't have Part D or creditable coverage. The monthly premium is rounded to the nearest $.10 and added to your monthly Part D premium.

Note: The national base beneficiary premium changes from year to year, so your penalty will fluctuate as well. More information can be found on

**This tool is an estimate only and may not be exact.

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