Projected 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. This will throw you into the top irmaa bracket, increasing your spouse and your monthly 2024 medicare part b premiums to $578.30 each, a combined amount of $1,156.60,.

The 2024 irmaa brackets by law are going to be larger than 2023. Medicare will release the 2025 irmaa brackets in the fourth quarter of 2024.