Irmaa 2024 Rates Chart By Year. Irmaa is a surcharge added to your medicare parts b and d premiums, based on income. 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.

To determine whether you are subject to irmaa charges, medicare uses the adjusted gross income you. The income used to calculate the medicare irmaa is taken from your.