If I didn’t have it, I would use this:
https://samaritanministries.org/
Or this:
https://mychristiancare.org/medi-share/
Or this:
That is a lose cannon.
Have you read the terms?
There is absolutely no assurance they will pay your claims.
It looks as much like rationing as you can get to and what is more, with some you are left to attempt to negotiate your rate for medical care to a level suitable to the .org.
I may be missing something but I don’t think so.