FAQ: Special Enrollment Periods for Medicare

Updated on September 28, 2025
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Michael LaPick

Written by Michael LaPick

Healthcare Writer

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What is a Special Enrollment Period (SEP) in Medicare?

A Special Enrollment Period (SEP) allows eligible individuals to make changes to their Medicare coverage outside the standard enrollment periods. These periods are triggered by specific life events or changes in circumstances, ensuring that beneficiaries have access to coverage that meets their needs.

When Can I Qualify for a Special Enrollment Period?

You may qualify for an SEP under several circumstances, including but not limited to:

  • Moving: If you move to a new address outside your current plan’s service area, or if you move back to the U.S. after living abroad, you may qualify.
  • Losing Current Coverage: If you lose employer-provided insurance or other qualifying health coverage.
  • Eligibility for Other Programs: Changes in eligibility for Medicaid or Extra Help with prescription drug costs.
  • Institutional Stay: If you’re moving in or out of a skilled nursing facility or long-term care hospital.
  • Plan Changes: If your Medicare plan ends its contract with Medicare or changes its service area.

How Long Does a Special Enrollment Period Last?

The duration of an SEP varies depending on the triggering event. For most qualifying events, the SEP lasts for two full months following the month of the event. It is crucial to act promptly to avoid gaps in coverage.

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What Changes Can I Make During an SEP?

Depending on your situation, you can:

  • Enroll in a Medicare Advantage Plan (Part C) or a standalone Part D prescription drug plan.
  • Switch from one Medicare Advantage Plan to another.
  • Return to Original Medicare (Part A and Part B) and, if needed, join a Part D plan.

How Do I Apply for a Special Enrollment Period?

To use an SEP, contact Medicare, your plan provider, or a licensed insurance agent. Be prepared to provide documentation supporting your qualifying event, such as proof of address change or loss of other coverage.

Additional Resources

For more details, visit Medicare’s official page on SEPs or contact Medicare at 1-800-MEDICARE (1-800-633-4227).

This guide aims to help Medicare beneficiaries understand and navigate Special Enrollment Periods effectively. Staying informed ensures you can make the best decisions for your healthcare coverage.

Michael LaPick
About the author

Michael LaPick

Healthcare Writer

Michael LaPick is a healthcare and Medicare data researcher at HealthCare.com, where he develops educational resources for HealthcareInsider.com and MedicareGuide.com. He has over five years of specialized experience researching Medicare, the Affordable Care Act (ACA), and private health insurance, helping consumers make confident, informed coverage decisions.

His work draws on a background in investigative journalism, having reported for the Poughkeepsie Journal and WAMC/NPR Albany on how Americans spend and manage money. This blend of investigative rigor and healthcare expertise gives Michael a unique perspective in translating complex policy data into actionable guidance for readers.

Michael’s research and articles are widely cited across healthcare publications, strengthening his role as a trusted authority in the insurance space.


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