What month's can you change your Medicare Advantage plan to Original Medicare? Ryan Kennelly October 11, 2023 01:07 Updated Follow From January 1st – March 31st each year, if you're enrolled in a Medicare Advantage Plan, you can switch to a different Medicare Advantage Plan or switch to Original Medicare (and join a separate Medicare drug plan) once during this time. Medicare Plan Quotes Related articles CAN I CHANGE MEDICARE ADVANTAGE PLANS ANYTIME? Do Medicare Advantage Plans Cover Medical Marijuana? How do I cancel a Medicare Advantage Plan or Part D plan after a member's death? Enrollment & Disenrollment Rules in Medicare Advantage Plans Medicare Advantage vs. Medicare Supplement: Which is best? Comments 0 comments Please sign in to leave a comment.