title: P4P programs quadruple. Physicians, regulators still question use of plans.
authors.forename: Andis
authors.initials: A
authors.lastname: Robeznieks
mesh_terms: D019538:Health Care Surveys; D006801:Humans; D007350:Insurance, Hospitalization / Q000639:trends; D007357:Insurance, Physician Services / Q000639:trends; D009042:Motivation; D010816:Physician Incentive Plans; D011785:Quality Assurance, Health Care / Q000191:economics*; D019984:Quality Indicators, Health Care; D012052:Reimbursement, Incentive / Q000706:statistics & numerical data*; D014481:United States