http://kff.org/medicare/fact-sheet/medicare-advantage/ Medicare Advantage according to the Kaiser Family Foundation Kaiser Family Foundation one-third http://kff.org/medicare/fact-sheet/medicare-advantage/ Medicare Advantage one-third Kaiser Family Foundation one-third costs fourteen percent more t according to the Kaiser Family Foundation http://kff.org/medicare/fact-sheet/medicare-advantage/ one-third More people still opt costs fourteen percent more t 31 percent of Medicare enrollees last year according to the Kaiser Family Foundation one-third Medicare Advantage one-third costs fourteen percent more t www.kff.org... Medicare Advantage Medicare Advantage costs fourteen percent more t 33 percent Medicare Advantage has grown to 31% number of Medicare Advantage enrollees is growing Medicare Advantage according to the Kaiser Family Foundation Medicare Advantage Medicare Advantage. Advantage Plans predetermined, risk-adjusted amount Kaiser Family Foundation tripling the number of beneficiaries Medicare Advantage 53 percent Henry J. Kaiser Family Foundation Kaiser Family Foundation recent statistics one-third