What Is Medicare HMO Blue? 
Medicare HMO Blue would , most likely , be a Medicare Part C -LRB- Medicare Advantage -RRB- plan . Medicare Advantage plans , like Medicare HMO Blue , take the place of traditional Medicare Parts A & B and are sold through private insurance companies that are contracted annually through Medicare to offer these plans . For people on Medicare , Advantage plans are an alternative to having `` original '' Medicare . 