In order to check out a new plan or to simply reenroll in a Medicare plan, you need to have an online Medicare account.

Medicare open enrollment starts today, and there are big changes coming in 2025, including the elimination of the "donut hole," a $2,000 out-of-pocket-maximum, and more.

One of the biggest changes takes effect in 2025. Part D drug plans must cap out-of-pocket spending on covered drugs at $2,000 a year. It will benefit enrollees with high drug costs by allowing enrollees to pay their prescription costs monthly rather than all at once.