How to Appeal IRMAA 2026 Premiums If you believe your Medicare premiums under IRMAA 2026 are incorrectly calculated, you have the right to appeal. The 2026 IRMAA brackets are based on your Modified Adjusted Gross Income (MAGI) from two years prior, but certain life-changing events can justify a reassessment. If your income has decreased due to retirement, divorce, or other circumsta... https://www.federalpensionadvisors.com/post/2025-irmaa-brackets