title: Early tiered networks encounter many obstacles. From dodgy data to uncooperative doctors, difficulties confront health plans that are trying to stratify providers by cost and quality.
authors.forename: John
authors.initials: J
authors.lastname: Carroll
mesh_terms: D001291:Attitude of Health Personnel; D005102:Health Expenditures; D006801:Humans; D008329:Managed Care Programs; D010820:Physicians; D011787:Quality of Health Care; D014481:United States