Irmaa Income Limits 2025. Irmaa represents the additional amount that some people might have to pay for their. Irmaa is determined by income from your income tax returns two years prior.
On october 12, 2023, the centers for medicare & medicaid services (cms) released the 2025 premiums, deductibles, and coinsurance amounts for the medicare part a and part b. In 2025, these thresholds have changed, affecting how much some beneficiaries pay for their medicare.