"No it isn't, that chart shows all dollars, including private insurance.
And insurers account for only single digit percentage of health care spending.
Why is it controversial to say the providers get bigger pieces of the pie? We've heard about $900 charges for a bottle of aspirin at the hospital. Is the insurer getting most of that $900?"
Found that chart, I think. Yes it does list total medical including private insurance at a little over 17% of GNP or 2.7 trillion. Looks like data for 2012 so it may be a different chart. I was using a 2016 estimate of 3.8 trillion. Sorry for my initial misinformation.
As far as concern for ridiculous prices for medical care I suspect we are in agreement. I am a practitioner so I see it every day. It is so frustrating.