Carol and John Iovine say the health coach their insurer assigned John after he had a torrent of grave health problems in 2014 has helped them get the medical care he still needs. And it's helped keep him out of the hospital. Todd Bookman/WHYY hide caption

toggle caption Todd Bookman/WHYY

Pretty servers hold private health data at Cerner. Courtesy of Cerner Corp. hide caption

toggle caption Courtesy of Cerner Corp.