Best Medicare Supplement Plan Buying Medicare Supplement Insurance. How do buy Medicare Supplement insurance the right way? br br Hi, my name is Chad Cason and in this video, I’m going to share with you a few tips on buying Medicare Supplement insurance. br br I know it can seem complicated to navigate through all of the Medicare Supplement Options which is why I have made this video to help make it easy for you. br br Medicare Supplement insurance is the same thing as Medigap insurance. These insurance plans help to pay the hospital and doctor expenses that regular Medicare doesn’t pay. br br Regular Medicare, which consists of Part A and Part B, will only cover 80 of your hospital and doctor expenses, which leaves you with the other 20, plus the Medicare deductibles…and, there is no maximum to how much you of the 20 coinsurance you could pay.