imported post
Actually, before any more conspiracies fly and get me giggling more, I'll explain exactly why they ask. I work in the medical field, and I've had the opportunity to ask doctors why some of them have asked in the past. I've never been asked myself, however I've heard of this being done before.
Insurance companies ask because it's 'accident prevention'. Insurance may have to cover you if you're an idiot and accidentally shoot yourself. Yes, it's incredibly stupid. They also may have to cover you if you accidentally smash your thumb with a hammer. They have no business knowing this information.
Doctors ask the same question because of malpractice. SOME doctors will not perform any risky procedures on you if they do not have the answer to this question, because they're afraid that if they botch a procedure, you'll come after them with your gun. They also have no business knowing this information.
Regardless, neither need to know. No, it's not the government wanting to know this information, it's the doctors and insurance companies. There's no hidden motivation behind it. If the government wanted to know, they wouldn't have private insurance agencies do their dirty work, where we can simply not answer the question. They'd put it on something mandatory that we all have to fill out, like the Census.