A Patient's Condition Has Worsened,and His Attending Physician Has Written

A patient's condition has worsened,and his attending physician has written orders to consult with a cardiologist.When you check the doctor's roster,you see that it includes two doctors with the same first and last names.An important thing for you to do to properly reach the correct physician is to:

A) check the physician roster carefully for specialties when looking up the patient's physician.
B) just ask the attending physician for the phone number.
C) page the patient's nurse to get the phone number.
D) call the coronary intensive care unit for the number;it will save time spent looking it up on the computer.