Medicare Part D Premiums Based On Income 2024. Cms did say that in 2025 the base part d premium will be $36.78, a $2.08, or the maximum 6%, increase from 2024. If you disagree with our decision.

Part d premiums vary depending on the plan you choose, with an average of $55 per month. This means that your medicare part b and part d premiums in 2024 may be based on your reported income in 2022.