Learn how irmaa for 2026 may impact Medicare Part B and Part D premiums based on income. Federal Pension Advisors provides clear insights to help retirees and federal employees understand surcharge thresholds, plan income strategically, and manage healthcare costs in retirement. https://www.federalpensionadvisors.com/post/2026-irmaa-brackets-medicare-irmaa-in-2026-and-surcharge