The effect of Medicare carrier practices on physician fees: a national study.
D005163:Factor Analysis, Statistical; D005245:Fee Schedules; D005251:Fees, Medical / Q000639:trends*; D007341:Insurance / Q000191:economics*; D007343:Insurance Carriers / Q000191:economics*; D007344:Insurance Claim Reporting; D006278:Medicare / Q000191:economics*; D012044:Regression Analysis; D012051:Reimbursement Mechanisms; D012959:Socioeconomic Factors; D014481:United States