Why Monitoring Your Taxable Income is Key to Managing 2026 IRMAA Costs Keeping track of Modified Adjusted Gross Income (MAGI) is essential for avoiding unexpected Medicare premium increases. Many retirees unknowingly cross into higher 2026 IRMAA brackets due to investment income, required minimum distributions (RMDs), or one-time financial events. Regularly reviewing tax returns and ... https://www.federalpensionadvisors.com/post/2025-irmaa-brackets