Tens of milliions.
About 1/3rd of all households have at least 1 firearm.
There are no exact records, since you do not need a permit to own in gun in most places. It is ESTIMATED that between 1/3 and 1/2 of all households in the US own at least one gun.
more than 72 million households own dogs. the average amount of dogs to own is 1 or 2
About one third of all households own at least one firearm.
We do not know an exact number- lack of records, but it is estimated that about 1/3rd of all households have at least 1 gun.
We do not have exact numbers, but about 1/3 of all households have at least 1 gun.
No exact number, as there are no exact records, but a best estimate is sightly more than one third of all households have at least one firearm.
America does not certify, register or license people to own guns in most areas. Therefore, there is no way of answering. It is estimated that a bit more than 1/3 of all households in the US have at least 1 gun.
Your question is rather vague. If you mean what should a physician do if someone OWNS a gun- I would ask why they should do anything. Owning a gun is not an illness, and is a right guaranteed to Americans. About 1/3rd of he households in the US own at least one gun- and I know several doctors that own guns.
Since there is no master list of who owns a gun, and gun purchase information does NOT include political affiliation- there is no way to answer your question. The actual division of owns/ does not own is more likely to be where you live. People in inner cities own relatively few guns, people that live in the suburbs more, and in the country, most. It is estimated that about 1/3 of all US households have at least one gun.
In the US, roughly 1/3 of the households are gun owners.
It's important to teach children about gun safety because about fifty percent of households own guns. With proper education more catastrophes can be prevented.