Healthcare is inefficient for many reasons, most of which stem from poor laws/controls, lack of individual incentives, and poor transparency. All of which can be solved trivially via well structured laws without radically overhauling the healthcare system.

Protectionism limiting the number of doctors inflates wages, lack of price transparency removes ability to comparison shop, max out of pocket plans remove incentives to consider cost in care. All of these are easy to solve once they're identified and understood as problems.

When you look at disciplines where pricing is transparent and insurance isn't generally involved, like cosmetics/plastic surgery, the costs are quite cheap. Because it actually acts as a competitive market with incentive for consumers to comparison shop