title: Physician group flourishes after dropping Medicare FFS.
mesh_terms: D000368:Aged; D014487:Centers for Medicare and Medicaid Services, U.S.; D003284:Contract Services; D018588:Fee-for-Service Plans; D006125:Group Practice, Prepaid / Q000191:economics* / Q000458:organization & administration; D017408:Guidelines as Topic; D006279:Health Maintenance Organizations / Q000191:economics*; D006801:Humans; D020398:Medicare Part C; D020414:Risk Sharing, Financial; D014481:United States