What Is Irmaa For 2025. In 2025, the medicare irmaa brackets will be adjusted based on the income you reported two years prior, which means your 2023 income will determine your irmaa for 2025. Irmaa is a surcharge added to your medicare parts b and d premiums, based on income.
The centers for medicare and medicaid services released the 2025 premiums, deductibles, and coinsurance amounts for the medicare part a and part b and the 2025 medicare part d. The social security administration determines irmaa based on your tax return, and if applicable,.