Every year, the Medicare Program rates health and prescription drug plans based on each plan’s quality and performance. You can use these ratings to compare Medical Mutual’s plan performance to other plans. 2018 Star Rating for MedMutual Advantage PPO Plans 2018 Star Rating for MedMutual Advantage HMO Plans Page last updated on 9/11/2018 Y0121_W0243_2017_Nov16 CMS Approved