Medicare Advantage Eligibility and Enrollment

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Medicare Advantage Plan Eligibility​

To be eligible to enroll in a Medicare Advantage plan, an individual must:

Be enrolled in Medicare Part A and Part B (continuing to pay monthly premiums)

Live in the plan’s service area

Be a U.S. Citizen (or lawfully present in the U.S.)

Not be incarcerated

Eligible enrollees must be accepted into the plan regardless of any pre-existing health conditions. Medicare Advantage plans may deny enrollment if the plan has reached its capacity limit.

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​Medicare Advantage Plan Election (Enrollment) Periods​
There are specific timeframes in which a beneficiary may join, switch, or drop a Medicare Advantage Plan. These are called the "Enrollment Periods" or "Special Enrollment Periods."

Before a decision is made whether to join, switch or drop an Advantage Plan, all options and timelines need to be understood so the possible "one time" election is not used up in each enrollment period.

Initial Election Period (IEP) – When first eligible for Medicare, a decision needs to be made by the beneficiary to remain in Original Medicare or to join a Medicare Advantage Plan. The IEP begins 3 months before starting Medicare, includes the month Medicare begins, and ends 3 months after Medicare begins (7-month time span). Once an IEP election is made and enrollment takes effect, the IEP ends. 

Annual Election Period (AEP) – The AEP, also known as the Medicare “Open Enrollment Period”, runs from October 15 through December 7 each year. Plan choices become effective January 1 of the following year. During the AEP, any Medicare beneficiary may join, switch or drop an Advantage Plan. Note: The last election request made during the AEP, determined by the application date, will be the plan that becomes effective in January. 

Medicare Advantage Open Enrollment Period (MA-OEP) – From January 1 through March 31 of each year is the MA-OEP. Beneficiaries must already be in an Advantage Plan on January 1 to use this enrollment period. [New Medicare Beneficiaries who enroll in an Advantage Plan during their IEP, will have an extended MA-OEP, based on Medicare entitlement dates.] Enrollees may switch from an Advantage Plan (with or without a Medicare Part D drug plan) or disenroll from an Advantage Plan and return to Original Medicare (with or without a stand-alone Medicare Part D drug plan). Only one election may be made during the MA-OEP. The changes will become effective the first of the month after the month the election is made. If a beneficiary returns to Original Medicare, they may want to cover Medicare out of pocket costs by purchasing a Medigap Insurance (Supplement) Policy; however, they can be denied coverage due to medical underwriting if not elgible for a Gauranteed Issue period.

Special Election Period (SEP) – There are circumstances which provide a beneficiary the right to add, switch or drop their Advantage Plan on a one time, limited, or ongoing basis outside of the IEP, AEP, or MA-OEP. These are called Special Election Periods. Relocation outside of the beneficiary’s current plan’s service area​​, plan termination, or being eligible for both Medicare and Medicaid are examples of situations that may generate a SEP. What changes a person can make and when depends upon the specific SEP being used.

Federal Trial Periods (SEPs) – These are one-time SEPs. If a beneficiary chooses to enroll in an Advantage Plan when first starting Medicare at age 65 (SEP65) or if switching from Original Medicare and a Medicare Supplement, at any age, to join an Advantage plan for the first time they will have a Trial Period SEP to disenroll from the Advantage Plan, outside of the AEP or MA-OEP, and return to Original Medicare. A Trial Period SEP may be used only once during their first 12 months of enrolling into their first Advantage Plan. If used, the beneficiary will return to Original Medicare and will have a Guaranteed Issue right of 63 days to purchase a Medicare Supplement Policy. 

[Note: The State of Wisconsin recognizes a "special state trial period" where if a beneficiary leaves employer sponsored coverage to enroll in a Medicare Advantage Plan for the first time, they have a 12-month trial period. However, the beneficiary may only disenroll from the Advantage Plan during a recognized election period (e.g. AEP, MA-OEP or SEP). They will then have a Guaranteed Issue right of 63 days to purchase a Medicare Supplement Policy.]

Five (5) Star Plan (SEP) – A beneficiary may join an Advantage Plan or Prescription Drug Plan with a performance rating of 5 stars at any time between December 8 - November 30 each year. This SEP may be used only once each year. The beneficiary must meet other basic requirements to join an Advantage Plan with coverage effective the first of the month following the month in which 5 star plans receive an enrollment request. As not all 5 star plans include Medicare Part D Prescription drug coverage, before enrolling be sure to understand how that enrollment may affect current drug coverage.

Special Note Regarding Medicare Medical Savings Account (MSA) Plan Enrollments:
​Individuals may enroll in Medicare MSA Plans only during the IEP or the AEP. The only SEP available is for enrollment in an employer sponsored MSA Plan. May disenroll from MSA Plan only during the AEP or a SEP. MSAs are not included in the MA-OEP.​

Resources

Medicare.Gov

Wisconsin OCI Guide to Medicare Advantage

Understanding Medicare Advantage - CMS

Understanding Medicare Enrollment Periods