Opinions expressed by Forbes Contributors are their own. Diane Omdahl is a Medicare expert who keeps her readers in the know. In late January, I talked with Bill, a client whose job, along with ...

But know that using the old card could lead to denial of claims and plan applications. Note that this step applies to those who have Original Medicare, with or without a Medicare supplement.

They said they're replacing it with a card that has a chip in it, and they needed me to do something with my old card ... the toll-free number on the back of your Medicare card.

Dear Heloise: Three days ago, a woman called me and asked if I had received my new or updated Medicare card. I said I had not, nor had I heard of such a thing. She said I need a new one because my old ...

a woman called me and asked if I had received my new or updated Medicare card. I said I had not, nor had I heard of such a thing. She said I need a new one because my old card was now invalid.