This was no boating accident! (cue the JAWS music!)
My brother’s doctor is well aware that he owns guns. They went on a hunting trip together.
Our family doctor has never asked. If they want to hand me a brochure about “gun safety”, I’ll politely take it but it’s really none of their business.
Besides, nobody that would leave a loaded gun in reach of a small child is going to tell their doctor they do!
I have a brother who is a pediatric alergy/asthma doctor. He’s the senior partner of the practice and none of the other 24 doctors never ask the parents about guns. They’re not emergency room doctors, as my brother says. Any suspected child abuse they see is handled appropriately.