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DaleyCare Medicare Glossary

Learn more about Medicare. Start with these definitions.

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Medicare open enrollment – also known as the annual election period or annual coordinated election period  – refers to the annual period during which Medicare plan enrollees can reevaluate their coverage – whether it’s Original MedicareMedicare Advantage or a prescription drug plan through Medicare Part D. During Medicare open enrollment, a beneficiary can switch Medicare Advantage plans, switch from Medicare Advantage back to Original Medicare, join a Medicare prescription drug plan or drop Medicare Part D coverage entirely.


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