Irmaa Brackets 2024 Tax Year Chart. Which bracket you fall into depends on your taxable. 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. Each year, the medicare part b premium, deductible, and coinsurance rates are determined according to provisions of the social security act.