title: Perspectives. MedPAC: cost-sharing changes could boost Medicare efficiency.
mesh_terms: D000368:Aged; D017047:Cost Sharing; D006233:Persons with Disabilities; D017598:Efficiency, Organizational; D005102:Health Expenditures / Q000706:statistics & numerical data*; D006801:Humans; D019458:Insurance Coverage; D006278:Medicare / Q000458:organization & administration*; D020406:Medicare Payment Advisory Commission; D008603:Mental Health; D014481:United States