title: HCFA loosens rule on use of nonphysician providers.
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D003284:Contract Services; D004651:Employment; D017408:Guidelines as Topic; D007349:Insurance, Health, Reimbursement; D006278:Medicare / Q000592:standards; D010823:Physician Assistants / Q000706:statistics & numerical data*; D011216:Practice Management, Medical / Q000592:standards*; D014481:United States