박사님은

Dr.

→ 박사님
phrase Rare #15,979
Dr. Used to refer to a doctor or someone with a doctorate, with the topic marker 은/는 attached. In English, this is often just said as 'Dr. ...' or 'As for Dr. ...' depending on context.
KO: 박사님은 오늘 병원에 안 계세요.
EN: Dr. Kim isn't at the hospital today.

박사님은 신을 믿나요?

Doctor, do you believe in God?

— 산딸기 (1957)

박사님은 어디 계세요?

Where are you, doctor?

박사님은 누가 괜찮아요?

Doctor, who is okay?

— 산딸기 (1957)

레싱 박사님은 훌륭한 의사 진지한 분 이세요

Dr. Lessing is an excellent doctor and a very serious person.

— 인생은 아름다워 (1997)