If you choose this option, you don’t need to do anything. However, keep in mind that if you join a Medicare Prescription Drug Plan later, you will probably have to pay a late-enrollment penalty. Also, no new Medigap policies with prescription drug coverage can be sold, so the premium for your Medigap policy could increase faster. Be sure to ask your Medigap insurance company how your Medigap premium might change in the future.
