Medicare Part D Enrollment Periods
Just like with Medicare Advantage plans, if you want to enroll in a Part D plan, you must be in an enrollment period or have a valid Special Election Period (SEP).
Initial Enrollment Period (IEP): 3 months before/ after starting Part B
When you start Medicare Part B, you’ll have an Initial Enrollment Period where you can sign up for a Medicare Advantage plan mid-year.
Annual Election Period (AEP): October 15 – December 7
For most enrollees, this is their only time frame to make a change to their Medicare Advantage plan for the next calendar year. Plans for the following year are released on October 1st, but enrollment applications cannot be accepted until October 15. All plans submitted during this period using the AEP enrollment period will start January 1st. If you are switching from one Medicare Advantage plan to another, there is no need to cancel your current coverage. The act of submitting one Medicare Advantage plan will replace the other automatically on whichever date you requested the new plan to begin.
The main difference with Part D enrollment periods compared to Medicare Advantage is that you CANNOT use the Open Enrollment Period (OEP) window from January 1 to March 31 to make a change to your Part D drug coverage.
Special Election Periods
Here are the most common Special Election Periods (SEPs):
Moving out of plan service area
One of the criteria to be eligible for a Medicare Advantage plan is to live within the plan’s service area. If you move down the street while staying in the service area of your plan, you don’t need to do anything. However, if you’re on a Medicare Advantage plan in Austin, Texas and you decide to move to Miami, Florida, this will put you out of the service area on your existing plan. This gives you an SEP which will allow you to enroll in a Medicare Advantage plan that has coverage in your new location, without you having to wait for one of the main enrollment periods.
Low-Income Subsidy (LIS) also known as “Extra Help”
If your income & assets are below a certain threshold, you may qualify for the Low-Income Subsidy program that helps cover Part D prescription drug plan premiums and co-pays. Another benefit of being eligible for this is that you also get an SEP to make changes to your Medicare Advantage plan outside of the main enrollment periods. Enrollees with LIS can make one change to their Medicare Advantage plan during each of the first quarters of the year: January-March, April-June, July-September.
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