What counts as a qualifying Special Enrollment Period?
The short answer
A Special Enrollment Period (SEP) lets you sign up for or change Medicare outside the normal enrollment windows. Common qualifying events include losing employer coverage, moving to a new area, or leaving a Medicare Advantage plan that exits your county.
The full explanation
A Special Enrollment Period is a window that opens because something changed in your life, not just because of the calendar. The most common one happens when you or your spouse stops working and loses employer-sponsored health coverage. You typically get eight months to sign up for Part B without a late penalty in that situation. Moving out of your plan's service area also triggers an SEP, as does losing Medicaid coverage or a Medicare Advantage plan leaving your county entirely. Low-income individuals who qualify for Extra Help, the program that assists with drug costs, get a monthly SEP to change their Part D drug plan. There are also SEPs for people who were enrolled in certain plans by mistake, those newly eligible for a Special Needs Plan, and a handful of other circumstances. The catch is that each SEP has its own rules about how long it lasts and exactly what you can change. Missing the window usually means waiting for the next Annual Enrollment Period. If you think a life event might qualify you, it is worth checking quickly rather than assuming you have plenty of time.
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