Providers facing prompt payment issues in Medicare, managed care.
D002140:California; D017598:Efficiency, Organizational; D016304:Hospitals, Private / Q000191:economics*; D006777:Hospitals, Proprietary / Q000191:economics; D006801:Humans; D007345:Insurance Claim Review / Q000458:organization & administration*; D007349:Insurance, Health, Reimbursement / Q000639:trends*; D008329:Managed Care Programs / Q000191:economics; D006278:Medicare / Q000458:organization & administration; D013997:Time Factors; D014481:United States