Two libertarian minded surgeons founded a surgery center in 1998 based on free market principles. They don't deal with insurance companies, advertise their prices in full on their website, accept only payment in full at time of service, operate as a for-profit company - and their prices at about 20% of what's charged by nonprofit hospitals are slowly changing the industry. Some people have said the cost of their surgery at this center (known in advance) was less than the deductible on their insurance policy.
https://surgerycenterok.com/