Share: Click to share on Facebook (Opens in new window) Facebook Tweet Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print Medicare Open Enrollment October 15 to December 17 November 10, 2023 medicare.gov 1-800-medicare Share: Click to share on Facebook (Opens in new window) Facebook Tweet Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print