Did your Medicare Part B premium come in much higher than expected? You’re not alone—and it’s usually not a mistake. In this video, I explain the real reasons your Medicare Part B premium increased, including IRMAA income-related surcharges, Social Security lookback rules, and common triggers like retirement, selling assets, or taking withdrawals. You’ll learn: Why Medicare Part B premiums jump suddenly How IRMAA works and who pays higher premiums Common income triggers retirees don’t expect How