Medicare managed care risk adjustment phase-in begins.
D000368:Aged; D002204:Capitation Fee; D014487:Centers for Medicare and Medicaid Services, U.S.; D006801:Humans; D008329:Managed Care Programs / Q000191:economics*; D006278:Medicare / Q000458:organization & administration*; D020379:Risk Adjustment; D020414:Risk Sharing, Financial; D014481:United States