What is a Medicare Supplement Coverage Plan? Home » Topics » What else is on your mind? » What is a Medicare Supplement Coverage Plan? This topic has 0 replies, 1 voice, and was last updated 1 year, 10 months ago by Jackson22. Viewing 1 post (of 1 total) Author Posts January 17, 2023 at 5:06 am EST #196943 Jackson22Participant I am a senior citizen who has been using traditional Medicare for five years, but I want to add medicare supplement coverage to my plan. What is it? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In