To be coldly rational, you want to pick from the group that is the most discriminated against for entry into medical school. Right now in the USA, that would be

To be coldly rational, you want to pick from the group that is the most discriminated against for entry into medical school. Right now in the USA, that would be Asian males. An exception is if you may need the doctor to insert a hand into your body. In this case, note that Asian female doctors generally have the smallest hands. An exception is if you are very heavy and might require feats of strength for your care. In this case, young non-Asian males are most likely to have the needed strength.