Ahah, I was unable to find a nice chart like that when I looked previously–I had to look up average wages by individual coutnry. GPs seemed to be about the same (using standard monetary conversion rather than some sort of odd GDP per capita conversion), but I presumed that if the GPs were the same, specialists would be about the same as well. It seems I was wrong.
That said, you’ve still not really approached my major point. While some trimming might be done in this arena, we’re not looking at the majority of excess health spending.
Going by Bureau of Labor Statistics data (considering “doctors” as commonly understood to be occupational codes 29-1011 through 29-1069), we’re looking at 1,042,770 people with an average salary of $142,365–somewhat lower than your cite but close enough to seem to be talking about the same group–for a total of $148.5 billion a year. Total health spending is about $1.8 trillion each year. If you can decrease the average salary of a doctor by 1/4th (bringing it to about the same as other nations) you’re looking at about a 6% decrease. We need to save 50%.
The ultimate issue, as stated by the study that your cite referenced (PDF), is that overall, Americans spend more on plain off everything. They’re charged more because either it costs more to do business in the US (which seems unlikely), or because Americans are willing to pay more money. That does seem to be the answer.
The problem is that Americans never see their own health care bill. We only ever pay 15% of our own health bills, and the rest of our health spending is vanished out of our salary before it’s even taxed. Employers offer health insurance packages as a lure to draw select employees, and get tax bonuses for doing so. Americans are proud to be able to point to their hospitals and say that they have the newest and bestest equipment–and hospitals, working closely with American pharmaceutical and medical equipment companies to design new equipment, are also more likely to be aware of and buy the newest stuff.
Ultimately, most excess spending comes back to a single root cause, which is that people are willing to hand over more money than is smart for them, for health in the US. If you decrease that, doctors’ salaries will decrease, the number of tests being run will decrease, the amount of money spent on medical equipment and hospitals will decrease. But that’s a matter of changing buying habits, not mandating a particular optimum for each and every thing that a doctor does. It’s silly to tell a doctor that he can only earn $X thousand a year, that he can only perform Y thousand tests a year, that he can only bill a patient for up to Z hundred dollars.
The much easier solution is to make it so that people don’t get their insurance from their employer, they have to get it themselves. That way they see their money going when they write a check every month. You do that, and spending will decrease on its own.