In the first overhaul of performance criteria that determine accountable care organizations' bonuses, CMS proposed on July 3 to add 12 measures and retire eight of the existing 33 measures. The agency proposed some of the changes that industry requested: ACOs would be rewarded for improvement, even when they fall short of goals; the number of measures that ACOs report directly would not increase because CMS would calculate the new measures using administrative claims or patient survey data; CMS would...