 [ Symptoms ] what if i lose my medicare do i get a plan that pays the 20 that is left [ Disease ] generally medicare covers 80 of one is outpatient costs you are likely looking for a medigap plan which has nothing to do with the marketplaces set up under obamacare to get help finding coverage medicare recipients can contact their local state health insurance assistance program which you can do by visiting the medicare gov medicare helpful contacts page or by calling 1 800 medicare 1 800  633 4227