Press Releases You will receive a NEW medicare card 4/2018 – 4/2019 Medicare will be mailing new Medicare cards between April 2018 – April 2019. Your card will have a new Medicare Number instead of your Social Security number (SSN). Make sure you mailing address is up to date so you get your new card. Visit: https://www.ssa.gov/myaccount/ or call 1-800-772-1213 to correct your mailing address. More information can be found at: https://www.medicare.gov/ Remember to bring in your new medicare card at your next appointment!