Forbes 10? That's called spinning the facts. You paired the Forbes list down to just the top 10 to avoid the doctors that are on Forbes' list of richest people, doctors like Patrick Soon-Shiong, Thomas Frist, Phillip Frost, Gary Michelson and James Leininger, who are all billionaires. Last I checked, being a billionaire qualifies one as "super rich."
Since most doctors are in the business of practicing existing medicine instead of inventing new medicine, which medical inventions and innovations are how doctors become super rich, the vast majority of doctors are upper middle class. That's a six-figure income at least. There is no profession in America that offers such a high income to such a high percentage of its professionals, not even actors or athletes because the vast majority in those professions make next to nothing with only the very rare elite being made uber rich by it.