He'd probably by ok for Surgeon General, but may have even fewer qualifications than the current POTUS.
I think Carson could make an excellent Surgeon General, and I'd like to see how he does in a position like that before considering him more seriously for higher office. But as far as qualifications go, even the Ebola virus is more qualified to be President than the guy in there now.
I'm willing the give Ben Carson the benefit of the doubt and think that maybe his earlier statements supporting civilian disarmament were based in ignorance, since if a person does not seek out the truth all he hears is the lies coming from liberal media, but once he's had the truth explained to him he's smart enough and enough of a patriot that he now opposes illegal gun control schemes. That's a big assumption, but if he's been willing to stand up to the lies of liberalism in other ways it seems likely that he would in this way too, though maybe not. I'd much rather have a candidate with a proven record, who has never made the kind of stupid statement Carson made, but given the right choices presented to us, it's possible that he might end up being the best one.