Where Is Medicare Advantage Available? 
Medicare Advantage plans are available by zip code in every state . More Advantage plans are available in metro area 's vs rural . Medicare rules require Advantage plans to have a large sampling of participating doctors and hospitals in an area before they are allowed to offer plans . If there are few Advantage plans in your area , you should consider Medigap plan N as a cost effective alternative . Plan N also has less out of pocket exposure and the ability to use any doctor anywhere in the country . 