Can You Change From Medicare Advantage To Medigap? 
You can disenroll from your Medicare Advantage Plan and switch back to Original Medicare from January 1 thru February 14 of each year . You will need to get a Medicare Supplement and Prescription Drug Plan . If you have serious health conditions you may not be qualify for a Medicare Supplement . Depending on the pre-existing condition you could be denied coverage or have to pay a much higher premium because of the pre-existing condition . It would be very important to talk with a qualified agent before you make your decision to disenroll from your Medicare Advantage Plan . 