HEDIS http://www.ncqa.org/tabid/59/Default.aspx NCQA HEDIS Website Healthcare Data and Information Sets (HEDIS) http://www.ncqa.org/tabid/59/Default.aspxexternal icon NCQA HEDISExternal http://www.ncqa.org/tabid/59/Default.aspx NCQA HEDIS http://www.ncqa.org/tabid/59/Default.aspx HEDIS large database called HEDIS HEDIS http://www.ncqa.org/tabid/59/Default.aspx NCQA HEDIS NCQA Health Plan Employer Data and Information Set (HEDIS) http://www.ncqa.org/tabid/59/Default.aspx HEDIS data set HEDIS data set http://www.ncqa.org/tabid/59/Default.aspx Healthcare Effectiveness Data and Information Set http://www.ncqa.org/tabid/59/Default.aspx