title: Changing payment methodologies force physicians into larger groups.
authors.affiliation: JCarroll@ManagedCareMag.com
authors.forename: John
authors.initials: J
authors.lastname: Carroll
mesh_terms: D003695:Delivery of Health Care / Q000191:economics*; D006123:Group Practice / Q000191:economics*; D006770:Hospitals, Group Practice / Q000191:economics*; D006801:Humans; D007348:Insurance, Health / Q000191:economics*; D020414:Risk Sharing, Financial