title: Medicare, PPOs, and employers.
authors: J
authors: J
authors: Frieden
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D003669:Deductibles and Coinsurance; D008329:Managed Care Programs; D006278:Medicare / Q000458:organization & administration*; D011243:Preferred Provider Organizations; D014481:United States