Plans are insured or covered by a Medicare Advantage organization with a Medicare contract and/or a Medicare-approved Part D sponsor. Enrollment in the plan depends on the plan’s contract renewal with Medicare. Participating sales agencies represent Medicare Advantage [HMO, PPO and PFFS] organizations and stand-alone PDP prescription drug plans that are contracted with Medicare. Enrollment depends on the plan’s contract renewal. Enrollment in the described plan type may be limited to certain times of the year unless you qualify for a Special Enrollment Period or you are in your Medicare Initial Enrollment Period.