Medicare

In 2026, Medicare’s IRMAA surcharge raises Part B premiums from $202.90 to as much as $689.90 a month for higher-income beneficiaries, based on 2024 income. This guide explains the tiers, the Part D surcharge, the $1 cliff effect, and how a life-changing event can lower your premium.

Medicare Open Enrollment for 2027 coverage runs Oct. 15–Dec. 7, 2026. We break down CMS’s 2027 premium projections, the $2,400 Part D out-of-pocket cap, and a checklist for comparing plans.