title: Proposed CoP reg to expand use of nonphysicians.
authors.forename: Pat
authors.initials: P
authors.lastname: Patterson
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D006801:Humans; D009722:Nurse Practitioners / Q000706:statistics & numerical data*; D016134:Organizational Policy; D010823:Physician Assistants / Q000706:statistics & numerical data*; D014481:United States