Medicare Income Limits 2025 Surcharge 2025. Some 8.3 million retirees are expected to be impacted by changes to the irmaa income brackets in 2025, which will adjust the surcharge rates applied to medicare premiums based on income. Irmaa is a fee that may be added to your medicare part b and part d premiums if your yearly income exceeds a certain amount.

For medigap plan l, the moop is $3,610. It’s important to know what irmaa is and how.