Understanding the IRMAA brackets 2026 is essential for any retiree who wants to keep Medicare costs under control. IRMAA 2026 affects individuals and couples with higher modified adjusted gross incomes, increasing their monthly premiums for Medicare Part B and D. The newly released 2026 IRMAA brackets reveal updated income tiers that may catch some off guard if not monitored closely. ... https://www.federalpensionadvisors.com/post/2025-irmaa-brackets