IRMAA 2026 brackets will impact Medicare premiums for thousands of federal retirees and high-income earners. The 2026 IRMAA brackets determine how much extra you’ll pay above the base Medicare Part B and Part D premiums. If your income exceeds certain limits, you could see premium surcharges ranging from hundreds to thousands annually. IRMAA brackets 2026 are based on your 2024 tax re... https://www.federalpensionadvisors.com/post/2025-irmaa-brackets