@JeanieBurrell I think about this a lot actually. My mother-in-law has Parkinson's. My dad is a disabled Vietnam vet. After being shot I've spent a good amount of time in and out of the hospital. I feel like I'm just waiting for when something will go wrong.
I have a few friends who are stuck in the US because of chronic illness. They can't leave because countries tend to just not let people in who they see as a potential "burden." But they also are at risk of being kicked off insurance, or losing access to hospitals, as Republicans finish off their eugenics program.
The US is collapsing faster than anything can be built. Even if everyone started tomorrow, it would be years before there's a group big enough to start even one hospital. But it's been done before. Weird little communities have built their own systems before. Churches have built and bought hospitals in the past, and still do. Rajneeshpuram (go watch Wild Wild Country) had a hospital (with a bioweapons program, which... Is definitely not the kind of hospital I'd want to see built, but it was a hospital none-the-less).
Nothing stops an alternative system from building and operating hospitals. I believe that would fall under the works committee to build and the services committee to operate. I'd imagine a hospital operated for the good of the collective would probably be worker organized, and would probably operate much more effectively than one operated by a business person who is just trying to extract as much money as possible. I don't know how any of that would compare to the NHS, but I wouldn't trust neoliberals to not underfund anything good so they can privatize it and strip it for parts.