Order replacement Medicare cards online through the Social Security Administration's secure website. Complete the online application to have the card mailed to you within 30 days.Continue Reading
Visit the SSA Medicare website using your preferred Web browser.
Read the instructions before beginning the application. These instructions explain how to get proof of Medicare coverage if it is needed sooner than the 30-day time frame. The instructions also explain how to update your mailing information, which must be correct before you can apply for a replacement Medicare card.
Click on the Start button at the bottom of the page, and fill out the application to request a replacement Medicare card.