This is the definitive work on Medicare's prospective payment system (PPS), which had its origins in the 1972 Social Security Amendments, was first applied to hospitals in 1983, and came to fruition with the Balanced Budget Act of 1997. Here, Rick Mayes and Robert A. Berenson, M.D., explain how Medicare's innovative payment system triggered shifts in power away from the providers (hospitals and doctors) to the payers (government insurers and employers)...