Data Trends. Regional physician coding differences.
D005251:Fees, Medical; D006123:Group Practice / Q000191:economics* / Q000706:statistics & numerical data; D006801:Humans; D007344:Insurance Claim Reporting / Q000145:classification*; D007388:Internal Medicine / Q000191:economics / Q000706:statistics & numerical data; D006278:Medicare; D009819:Office Visits / Q000191:economics* / Q000706:statistics & numerical data; D014481:United States