Unless you are new to Medicare or have a Special Enrollment period, Open Season (October 15th through December 07th) is the only time of year that seniors with Medicare Advantage plans can enroll, renew or change their plans. Seniors on Original Medicare have the ability to change Plan D prescription drug plans each year at the same time. You can have a Part D drug plan no matter if you are on original Medicare or Medicare Advantage, However, with a Medicare Advantage plan you do not get to choose your Plan D coverage. You must accept the one packaged with your Medicare Advantage plan. With Original Medicare you can choose from among the 25 or so plans available to you in your area. In this Blog post we are going to illustrate how to use the Medicare.gov website to find the best, most cost effective Part D drug plan for you.