HCFA issues program memorandum.
D007349:Insurance, Health, Reimbursement / Q000191:economics*; D006278:Medicare / Q000191:economics*; D009720:Nurse Clinicians / Q000191:economics*; D009722:Nurse Practitioners / Q000191:economics*; D010823:Physician Assistants / Q000191:economics*; D014481:United States