You should have your new Medicare card by now.
It is critical that you locate your old Medicare card and properly destroy it. Shredding it is the very best option. You do not want anyone getting a hold of your old Medicare card because it has your Social Security number front and center. The new Medicare card has random numbers/letters presenting your new Medicare number. Read on for more information and be sure to click on the link in the article discussing how to destroy your old Medicare card.