Switzerland has the system closest to the US in my experience, but with universal coverage. As individual, you buy basic insurance costing roughly $500/month with a $2500 yearly deductible (LAMal/KVG). Applicants must be accepted even with pre-existing conditions. Post-deductible, you pay 10% co-insurance capped at roughly $800/year (no medical bankruptcy). Insurers operate basic plans as non-profit. They make their…
There are "problems" but overall it has had a net benefit with poor people who could not afford medical treatment just get it. If you are having an emergency, they just do whatever is needed and you are golden. I know hundreds of people in my neighbourhood who have had surgeries done on "card" and most could not otherwise afford it.