www.SeniorSavingsServices.com See how to find and compare Medicare Part D Prescription Drug Plans. With plans changing for the 2016 calendar year it is a wise choice to learn how to compare plans. Review plan options yearly during Open Enrollment, which is October 15th thru December 7th. Have you had medication changes? Is your medication covered by a Part D plan? What do you need to have to compare Part D plans? What should you look for when comparing Part D plans? This video was created to educate and answer these questions and more.