 [ Symptoms ] how does one acquire medicare advantage [ Disease ] open enrollment for medicare happens between october 15 and december 7 each year that is your best opportunity to sign up for a medicare advantage plan to learn about plan options in your area you can use the plan finder tool on medicare gov you can also get personalized assistance by contacting your state health insurance assistance programs ship to find the ship near you visit the medicare helpful contacts page on medicare gov or call 800medicare or 800 633 4227