When Can I Change My Medicare Supplement (Medigap) Plan?

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We understand the importance of having the right Medicare Supplement (Medigap) plan to meet your healthcare needs. We recognize that making informed decisions about your Medicare coverage is crucial, and that’s why we’re here to provide you with comprehensive information on when you can change your Medicare Supplement (Medigap) plan. In this article, we will walk you through the different circumstances that allow you to make changes to your plan, ensuring that you have the most up-to-date knowledge to make the best decisions for your healthcare coverage.

Open Enrollment Period (OEP):

The Open Enrollment Period (OEP) is a crucial time for Medicare beneficiaries to consider making changes to their Medicare Supplement (Medigap) plan. This period lasts for six months and begins on the first day of the month in which you turn 65 and are enrolled in Medicare Part B. During the OEP, you have the freedom to choose any Medicare Supplement (Medigap) plan available in your area, regardless of your health condition. This is a valuable opportunity to assess your current plan and determine if there are other plans better suited to your needs.

Guaranteed Issue Rights:

In certain situations, you may qualify for Guaranteed Issue Rights, which allow you to change your Medicare Supplement (Medigap) plan without being subject to medical underwriting. These rights provide you with the opportunity to switch plans outside the OEP, ensuring that you have access to the coverage that best meets your healthcare needs. Some common scenarios that trigger Guaranteed Issue Rights include losing your current coverage, moving to a new state, or losing coverage from an employer or union.

Trial Right Periods:

Trial Right Periods are another circumstance that allows you to change your Medicare Supplement (Medigap) plan. These periods occur when you join a Medicare Advantage plan for the first time and want to switch back to Original Medicare with a Medicare Supplement (Medigap) plan. Depending on the situation, you may have a specified time frame to evaluate your Medicare Advantage plan and make an informed decision about returning to Original Medicare with a Medigap plan.

State-Specific Protections:

It’s important to note that some states have additional protections in place to help Medicare beneficiaries make changes to their Medicare Supplement (Medigap) plans. These state-specific protections may offer more flexibility and opportunities for plan changes outside of the standard enrollment periods. If you reside in a state with such protections, it’s advisable to explore the specific rules and regulations governing Medigap plan changes in your area.


Navigating the process of changing your Medicare Supplement (Medigap) plan can be overwhelming, but understanding the various circumstances that allow for plan changes is essential. Whether you’re in the Open Enrollment Period, qualify for Guaranteed Issue Rights, have Trial Right Periods, or live in a state with additional protections, knowing your options empowers you to make informed decisions about your healthcare coverage. By staying informed and aware of the opportunities available to you, you can ensure that your Medicare Supplement (Medigap) plan aligns with your changing healthcare needs.


  • The Open Enrollment Period (OEP) is a critical time to consider changing your Medicare Supplement (Medigap) plan, lasting for six months from the first day of the month in which you turn 65 and enroll in Medicare Part B.
  • Guaranteed Issue Rights provide opportunities to change your Medicare Supplement (Medigap) plan outside of the OEP, such as when you lose current coverage, move to a new state, or lose coverage from an employer or union.
  • Trial Right Periods allow for plan changes when transitioning from a Medicare Advantage plan to Original Medicare with a Medigap plan.
  • Some states have additional protections that offer flexibility for changing Medigap plans outside of standard enrollment periods.

Useful Resources:

  1. Medicare.gov – Changing Medigap Policies
  2. Centers for Medicare & Medicaid Services – Medicare Supplement Insurance (Medigap) Plans
  3. Social Security Administration – Medicare

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