Part D Penalty Estimator

Seniors Health

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Estimate Your Part D Late Enrollment Penalty

If you’ve gone without creditable Medicare Part D Prescription drug coverage, you may face a monthly penalty.


This simple tool helps you estimate the monthly cost based on how long you've gone without Medicare Part D or other creditable drug coverage.


The penalty is calculated as 1% of the national base premium for each uncovered month and that premium changes annually. While this calculator provides a helpful estimate, your actual penalty may vary.

Part D Late Enrollment Penalty Calculator

Enter the number of months you’ve gone without Medicare Part D or creditable drug coverage:

Note: This is only an estimate. Actual penalties may vary.