When Can I Get Medicare Part D? 
You have several options . 1 -RRB- a stand alone Part D plan . You can select this when you first enroll in Medicare . 2 -RRB- If you are not on a Medicare Advantage plan and have Part A and Part B you can select one during the Annual Enrollment Period every fall October through December . 3 -RRB- If you select a Medicare Advantage Plan look for one that includes a Part D Plan . This makes it easy as you have one company for all your needs and one card to use for both your Health Insurance and Rx . 