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Medicare Open Enrollment

Also known as: Annual Election Period, AEP, Fall Enrollment

October 15–December 7 each year — the window to change Medicare Advantage or Part D drug plans for the following year.

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The Medicare Annual Election Period (AEP), commonly called Open Enrollment, runs October 15 through December 7 each year. During this window, Medicare beneficiaries can: switch from Original Medicare to Medicare Advantage (or vice versa), change Medicare Advantage plans, enroll in or change a Part D prescription drug plan, and add or drop a Medigap plan in some states.

Changes made during AEP take effect January 1 of the following year. This is the primary time to review whether your current plan still covers your prescriptions at favorable tiers, whether your DME suppliers remain in-network, and whether a different plan offers better diabetic supply coverage or CGM benefits.

For people with diabetes, key things to verify during Open Enrollment: does the plan cover your CGM or insulin pump brand? Is your preferred insulin on formulary at a reasonable tier? Does the plan offer an OTC benefit for diabetic supplies? Is your endocrinologist in-network?

Related diabetic supply categories

Cgm Supplies Insulin Pumps Supplies Diabetic Shoes Supplies

Related terms

  • Medicare Advantage — An alternative to Original Medicare offered by private insurers that must cover everything Part A and B covers, often with extra benefits.
  • Medicare Part D — The Medicare prescription drug benefit — covers insulin and many diabetes medications, separate from the DME covered under Part B.
  • Formulary — The list of drugs covered by a Medicare Part D or Advantage plan, organized into cost tiers.
  • Medigap — Private insurance that covers Medicare's cost-sharing gaps — typically pays the 20% Part B coinsurance for DME and services.

Frequently asked

What is Medicare Open Enrollment?

October 15–December 7 each year — the window to change Medicare Advantage or Part D drug plans for the following year. The Medicare Annual Election Period (AEP), commonly called Open Enrollment, runs October 15 through December 7 each year. During this window, Medicare beneficiaries can: switch from Original Medicare to Medicare Advantage (or vice versa), change Medicare Advantage plans, enroll in or change a Part D prescription drug plan, and add or drop a Medigap plan in some states.

How does Medicare Open Enrollment relate to Medicare coverage?

Medicare Part B covers most durable medical equipment related to Medicare Open Enrollment. Contact us to verify your specific coverage for related diabetic supplies.

Where can I get diabetic supplies related to Medicare Open Enrollment in Phoenix?

We deliver Medicare-covered diabetic supplies throughout the Phoenix metro area. Call us or complete the form above to verify your coverage.

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