I'm curious to know what you make of things like
this National Geographic chart in that context:
Health care spending per capita vs. Life Expectancy, National Geographic
click to show
It seems that the WHO, OECD and virtually every other reputable institute agrees that a public and universal healthcare system is far less expensive than the private institution currently in place in the US.
As a Canadian, I'm free to choose my own doctor. If the doctor I go to isn't to my liking, it's a trivial matter to look in the phone book and find another (well, disregarding any shortage, which is not a funding issue).
Your ideological issues are your own, and I won't try to debate such things.