Is this normal in the professional field for searching for a job?

I work in a hospital with a group of doctors. We had a doctor call inquiring if there was a job available. As there is a job available, my boss talked at length with him about the position. Five minutes after they hung up, the guys wife called to get more information about the job for him. She asked questions for a half an hour. I felt embarrassed for the guy that his wife felt he didn’t ask enough questions.
Is this normal for a spouse to follow up on jobs? I’m wondering if she will show up for the interview.