title: Top court toughens rules. Providers can't take Medicare grievances directly to federal court.
authors.forename: A
authors.initials: A
authors.lastname: Saphir
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D007345:Insurance Claim Review / Q000331:legislation & jurisprudence*; D007882:Legislation, Hospital; D006278:Medicare / Q000331:legislation & jurisprudence*; D017008:Negotiating; D014481:United States