A data analytics firm has helped big health insurers cut payments to doctors, raising concerns about possible price fixing.A data analytics firm has helped big health insurers cut payments to doctors, raising concerns about possible price fixing.Read MoreHealth Insurance and Managed Care, Prices (Fares, Fees and Rates), Antitrust Laws and Competition Issues, Regulation and Deregulation of Industry, Law and Legislation, MultiPlan Inc, Klobuchar, AmyNYT > Health