[tptacek]

That's not the average cost per person; it's simply the total amount of health care spending, in all categories, in the US divided by its population.

[dragonwriter]

Which is also the arithmetic mean cost per person, by definition. Which average did you have in mind?

The median might arguably be a more useful average here, but I doubt the data necessary to even identify the median individual cost are kept.

[tptacek]

The person you responded to was talking about direct-to-consumer costs; you switched figures while suggesting that their number was erroneously low. You were wrong.