title: Shift to PPOs leaves capitated groups with glut of retro deletes.
mesh_terms: D002204:Capitation Fee; D006125:Group Practice, Prepaid / Q000458:organization & administration* / Q000639:trends; D006279:Health Maintenance Organizations / Q000706:statistics & numerical data*; D015273:Insurance Selection Bias; D017008:Negotiating; D011243:Preferred Provider Organizations / Q000706:statistics & numerical data*; D014481:United States