Medicare Open Enrollment and Coverage Options: Key Questions and Answers - Takeaways - MDSpire
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Medicare Open Enrollment: Answers to Common Questions About Coverage Choices

  • By

  • Alex Cottrill

  • Jeannie Fuglesten Biniek

  • Juliette Cubanski

  • Meredith Freed

  • October 9, 2026

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  • 1

    Medicare’s annual open enrollment period runs from October 15 through December 7, with coverage changes taking effect January 1.

  • 2

    Beneficiaries can switch between traditional Medicare and Medicare Advantage, change Medicare Advantage plans, and enroll in or change Part D plans during open enrollment.

  • 3

    Traditional Medicare does not cover outpatient prescription drugs, so beneficiaries may enroll in Part D; late enrollment penalties may apply without other creditable drug coverage.

  • 4

    In the 2024 enrollment period, 65% of Medicare beneficiaries did not review alternative coverage choices, including 71% of traditional Medicare enrollees and 60% of Medicare Advantage enrollees.

  • 5

    Special Enrollment Periods allow eligible beneficiaries to change coverage outside annual open enrollment after specified events, such as moving or losing employer-sponsored coverage or Medicaid eligi

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