This is the first year it was possible for Dean Advantage plans to receive a Star Rating. This distinction is the best rating possible and reflects a high quality of care and service. CMS rated 384 Medicare Advantage contracts this year. Dean Health Plan’s contract is one of only 15 nationally to have earned the overall Five-Star rating for Medicare Advantage with prescription drug plans. CMS calculates and shares Star Ratings for Medicare health and drug plans to help beneficiaries and their families compare plans based on quality and performance. Ratings are given for quality measures across several categories including: Managing chronic conditions Helping members stay healthy Member satisfaction Pharmacy services. Get Adobe Reader Medicare evaluates plans based on a five-star rating system. Star Ratings are calculated each year and may change from one year to the next.