title: MGMA outlines medical group concerns with proposed ACO rule.
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S. / Q000191:economics / Q000592:standards*; D017046:Cost Savings / Q000379:methods / Q000592:standards; D006801:Humans; D018854:Managed Competition / Q000191:economics / Q000592:standards*; D012052:Reimbursement, Incentive / Q000191:economics / Q000592:standards*; D014481:United States