Smith Calls in a Prescription for John James, and Leaves

Smith calls in a prescription for John James, and leaves his date of birth, address and phone number. When the patient comes in for his prescription, he says his name is James John. As the pharmacy technician on duty, what should you do?

A) Refuse to fill the prescription
B) Call the insurance company to verify the patient's name
C) Verify the date of birth and address with the patient, and fill the prescription for him, if the information is correct
D) Call the phone number Dr. Smith left and verify that the patient is accessible by that number