The difference between Medicare Advantage and Medicare Supplement plans is not to be taken lightly. Thus, when enrolling in either coverage, you should thoroughly understand each plan type and then decide which option works best for you.
Janine, it is actually illegal for someone to have both a Medicare Advantage plan and a Medicare Supplement plan (Plan N in your mothers case). So, first, you will need to be sure she does not have both plans. If she wished to disenroll from the Advantage plan and keep Plan N, she...