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Medicare Open Enrollment Begins With Fewer Advantage Choices and New 2026 Rules

Careful plan comparisons are essential given shifting costs and coverage.

Overview

  • The enrollment window runs Oct. 15–Dec. 7 for 2026 coverage, with changes taking effect Jan. 1 and an additional Medicare Advantage switch period from Jan. 1–Mar. 31.
  • Major insurers are scaling back Medicare Advantage offerings, with some plans eliminated and local exits such as UCare in Minnesota, as CMS projects about 5,600 plans and a modest enrollment decline to 34 million.
  • Many beneficiaries face higher costs in 2026, including an expected Part B premium of about $206.50 per month, varying Part D premiums and deductibles, and plan-level changes to networks and formularies that warrant review.
  • Key federal changes include a $2,100 annual Part D out-of-pocket cap, a $35 monthly insulin copay with no insulin deductible, negotiated prices for an initial 10 high-cost drugs, and a prior-authorization pilot for 17 services in AZ, NJ, OH, OK, TX and WA.
  • Operational frictions include slower Medicare.gov updates during the government shutdown and reduced agent participation in standalone Part D sales, so beneficiaries are urged to use SHIP counselors, confirm provider networks and check drug coverage before choosing.