Why did the men call Dr. Williams?

W: Could you give me something for the pain? I couldn’t get to sleep until 3 o’clock this morning.
M: Aspirin is the strongest medicine I can give you.
W: That isn’t strong enough, and I don’t have to meet my doctor until next week.
M: Who is your doctor?
W: Dr. Hilary.
M: Doesn’t he have his office on the corner?
W: Yes, he does.
M: Are you a regular patient?
W: Yes.
M: Oh. Then I can call him if you like. Dr. Hilary will give me a pain treatment over the phone.
W: I’d appreciate that very much. Do you think that he’ll still be in his office?
M: Sure. It’s only 4:30. He should be there until five.