One-third of participating hospitals score an 'A' in Leapfrog's new hospital safety scores Getty Images St. Luke's Magic Valley Medical Center in Twin Falls, Idaho, hasn't always had the best Leapfrog Group safety grades. The 213-bed acute care hospital up until 2016 pulled in B's, and in one particularly bad year, D's. Hospital leadership took a hard look at each measure, and they went to work. Five years in a row, they've received an "A." "You get ranked by Leapfrog, Healthgrades, IBM Watson, CMS, all these external organizations, and you need to understand why you score the way you do," s...