One of the good things about Medicare is all the choices you have for getting your coverage. And if you're just starting out, that means there's a lot to learn.
Basically, there are two ways you can go.
You can stay with Original Medicare and buy a Medicare Supplement (Medigap) insurance policy to fill in the coverage gaps. You can add a Medicare prescription drug plan too.
Or you can combine all your Medicare benefits into one, simple health plan.... what's called a Medicare Advantage plan.
Here's one way to look at it.