I simply don't believe these things are impossible to do efficiently somehow. I think conservatives aren't looking for those possibilities because they're simply not interested in the prospect. They don't want to have that conversation.
That is the point - there is no efficiency the minute you do it by government.
You have been given your answer throughout this conversation - It is YOU who doesn't want to hear it:
Government is NEVER the answer. The government powerful enough to do what you want is powerful enough to do what IT wants, and that has never been a good thing.
If you want cheap, excellent health care, then knock out the things that are propping up the price and let the free market work. What is propping up the price? The number one thing is government. The next thing is insurance. Follow with tort reform and regulations and licensing.... ALL of these things prop up the market and cause the cost to be artificially high. What you propose not only will further increase the cost, but will lock it into a governmental monopoly - The very worst case of all.
And further, restore the ability of non-profit charitable orgs to be in the business of health care. In my youth, churches owned all the hospitals except pitiable county hospitals... At the time, a churches' balance sheet was treated en-toto, with a bottom line providing whether or not they could maintain non-profit status. Some time in the 70's that changed. Changes in law made it to where individual aspects of a charity were taken on their own merit - Since healthcare was a profitable sector, it caused churches to get out of hospitals and clinics, because they could no longer 'hide' the 'profit' by shifting it to feeding the poor or some such...
In a single sweep, the federal government gave healthcare to for-profit businesses, and greatly diminished the Church in all aspects of charity (by removing their money generating health systems) - Supercharging the 'need' for federal welfare and federal healthcare.
Now insurance companies own the hospitals and hospitals own the doctor groups... Can't you see how that is a problem? Give it back to the Church. The Church does charity naturally, and way better than business or government ever will.