After blocking retirees from enrolling in the Survivor Benefit Plan by not making the enrollment forms available as part of a one-time open season ordered by Congress, that process is now available.

You may also qualify for what's called a special enrollment period if you have certain circumstances, such as moving or a change in coverage. If you're already on Medicare, you can make changes to ...

Medicare open enrollment occurs each year from October 15 through December 7. During this period, you may join, drop, or switch Original Medicare, Medicare Advantage, or Part D plans, but not Medigap.

Lorraine Roberte is an insurance writer for Investopedia. As a personal finance writer, her expertise includes money management and insurance-related topics. She has written hundreds of reviews of ...