Irmaa Chart 2024 Thresholds. You pay higher medicare part b and part d premiums if your income exceeds certain thresholds. Those with a magi higher than the income thresholds set by the social security administration are required to pay irmaa in addition to their medicare part b and/or part d.
The irmaa for part b and part d is calculated according to your income. 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.