By the numbers. Largest national healthcare associations. Organizations ranked by 2005 revenue, with noted exceptions. Based on Modern Healthcare's review of IRS form 990 filings.
D003625:Data Collection; D019981:Health Care Sector / Q000458:organization & administration / Q000706:statistics & numerical data*; D007182:Income / Q000145:classification / Q000706:statistics & numerical data*; D009938:Organizations / Q000145:classification / Q000191:economics*; D012954:Societies, Hospital / Q000191:economics; D012955:Societies, Medical / Q000191:economics; D013660:Taxes / Q000145:classification; D014481:United States