Then do you presume
a) he’s a doctor and doesn’t want people to know so he doesn’t get bothered with child illness/fever questions etc
b) he does another role in A&E and wants to keep it vague for another reason
DH and I were chatting to a dad at a kids’ party at the weekend and we came away from the conversation with different views. I’m a - if I were a doctor in A&E no way would I want all my kid’s friends’ parents knowing.