You may have heard about the seven-month enrollment period window around your 65th birthday as being an important time to first get Medicare coverage. But did you know that there may be other times that you can first enroll in Medicare, or switch your Medicare health or prescription drug plan?

This calendar explains the different enrollment periods for Original Medicare, Part D, and Medicare Advantage, including when they occur, what beneficiaries can do during each Medicare enrollment period, and when changes to your coverage will occur.