Mealey's (May 30, 2018, 2:09 PM EDT) -- LOS ANGELES — Finding that private contracts are preempted under Medicare’s statutory and regulatory scheme would thwart Congress’ attempt at introducing market efficiencies in the program, a hospital group told a California judge May 25 (Prime Healthcare Services Inc. v. Humana Insurance Co., et al., No. 16-1097, C.D. Calif.)....