Irma Tax Brackets 2024. The irmaa income brackets for 2023 start at $97,000 ($103,000 in 2024) for a single person and $194,000 ($206,000 in 2024) for a married couple. Brackets for part b and part d are the same, but the additional amount.

The following charts outline irmaa premium brackets based on income levels and tax filing statuses for medicare part b and part d. The standard monthly premium for medicare part b enrollees will be $174.70 for 2024, an increase of $9.80 from $164.90 in 2023.