State governments.
States have set up purchasing groups, mandated community rating, and set limits on health care costs among other programs to improve health care.
Wise
D
D
D003625:Data Collection; D018166:Health Care Reform / Q000639:trends*; D006279:Health Maintenance Organizations / Q000706:statistics & numerical data; D007348:Insurance, Health / Q000639:trends*; D008484:Medicaid / Q000706:statistics & numerical data / Q000639:trends; D013221:State Health Plans / Q000639:trends*; D014481:United States