1. Hill Physicians Medical Group: a market-driven approach to accountable care for commercially insured patients Author(s): Cohen, Alexander, authorKlein, Sarah, authorMcCarthy, Douglas, author Publication: [New York, N.Y.] : Commonwealth Fund, October 2014 Subject(s): Accountable Care OrganizationsIndependent Practice Associations -- economicsInsurance, Health -- economicsOrganizational Case StudiesPatient Care ManagementQuality ImprovementHumansCaliforniaUnited States