This article from Kaiser Health Network will help you understand your options when choosing between regular Medicare plus a “Medi-Gap” Medicare supplement insurance plan or going with a Medicare Advantage Plan. If you are retired and have health coverage from a previous employer, you should request guidance from that employer’s HR/Benefits office to see if you even need additional coverage.
https://khn.org/news/no-gaps-in-understanding-heres-your-primer-on-medigap-coverage/?utm_campaign=KHN%20-%20Weekly%20Edition&utm_source=hs_email&utm_medium=email&utm_content=64787216&_hsenc=p2ANqtz-_BGD8lCxgUtIlMfpUGwnhvy6q4-8AKTkphtKpPzn511YBVyIN1N44dZjrYcu_0Jtf6sR3BbKJm887NFT6NicJjDRcncg&_hsmi=64787216