Vedanth Bhartee
Writer · Reviewed by Richard ChanUpdated Jun 12, 2026
3 min read
The Medicare Advantage Open Enrollment Period runs annually from January 1 through March 31 for those already enrolled in a Medicare Advantage plan.
During this period, beneficiaries can make a one-time change to switch to a different Medicare Advantage plan or drop it entirely and return to Original Medicare.
If a beneficiary uses this period to return to Original Medicare, they are also allowed to enroll in a standalone Medicare Part D prescription drug plan.
The Medicare Advantage Open Enrollment Period (MA OEP) is a limited time frame that allows Medicare beneficiaries who are already enrolled in a Medicare Advantage plan to make changes to their coverage. This period provides an opportunity for beneficiaries to review their current plan, make adjustments, or switch to a different Medicare Advantage plan that better suits their healthcare needs. Understanding the significance and timing of the MA OEP empowers beneficiaries to optimize their healthcare coverage and ensure they have access to the most suitable benefits. In this article, we explore the concept of the Medicare Advantage Open Enrollment Period, its purpose, and the options available to beneficiaries during this period.
The Medicare Advantage Open Enrollment Period has the following key features:
During the Medicare Advantage Open Enrollment Period, beneficiaries have the following options:
It’s essential to be aware of certain restrictions during the Medicare Advantage Open Enrollment Period:
The Medicare Advantage Open Enrollment Period (MA OEP) provides valuable flexibility and options for beneficiaries already enrolled in a Medicare Advantage plan. During this annual period, beneficiaries can review their current plan, make adjustments, or switch to a different Medicare Advantage plan or Original Medicare. Being informed about the MA OEP timing and available options empowers beneficiaries to optimize their healthcare coverage and ensure they have access to the benefits that best meet their healthcare needs and preferences throughout the year.