Irmaa 2024 Income Brackets. Magi plays a critical role in determining where you fall within the 2024 irmaa brackets. On october 12, 2023, the centers for medicare & medicaid services (cms) released the 2024 premiums, deductibles, and coinsurance amounts for the medicare part a and part b.
The irmaa is calculated on a sliding scale with five income brackets topping out at $500,000 and $750,000 for individual and joint filing, respectively. You pay higher medicare part b and part d premiums if your income exceeds certain thresholds.