Fall Open Enrollment Dates are October 15, 2011 to December 7, 2011. During this time you can change how you receive your health coverage and add, change, or drop drug  coverage. You can make as many changes as you want. The last change that is made is the one that will take effect. Changes made during the Fall Open Enrollment take effect January 1, 2012.

Meciare Advantage Disenrollment Period is January 1, 2012 to February 14, 2012. During the Medicare Advantage Disenrollment Period you can switch from a Medicare private health plan (also known as a Medicare Advantage plan) to Original Medicare. Regardless of whether the Medicare private health plan had drug coverage, you can join a  stand-alone prescription drug plan, but you are not required to. Changes made during  the MADP go into effect the first day of the following month.