Learn how the 2026 irmaa brackets may affect your Medicare Part B and Part D premiums. Federal Pension Advisors offers expert insights and retirement planning guidance to help federal employees and retirees manage income thresholds, avoid surprise costs, and plan smarter for healthcare in retirement. https://www.federalpensionadvisors.com/post/2026-irmaa-brackets-medicare-irmaa-in-2026-and-surcharge