title: Proposals to modify Medicare's physician payment system.
mesh_terms: D005245:Fee Schedules / Q000331:legislation & jurisprudence*; D006302:Health Services Research; D007348:Insurance, Health / Q000331:legislation & jurisprudence*; D007359:Insurance, Surgical / Q000331:legislation & jurisprudence*; D006278:Medicare / Q000331:legislation & jurisprudence*; D012051:Reimbursement Mechanisms / Q000331:legislation & jurisprudence*; D014481:United States