
Understanding Medicare basics may be one of the most maddening tasks you'll face when heading into retirement. Figuring out when to enroll in Medicare and which parts of Medicare to elect can be daunting for even the savviest retirees.
There are Part A, Part B, Part D, Medigap plans, Medicare Advantage plans, and so on. Medicare open enrollment runs annually from October 15 through December 7. You should understand the basics before you make any changes to your coverage.