We're well-covered, in any case. There is never such a thing as too many doctors.

If you're interested in them, then you'll find it beneficial to speak with Ratchet; he's often around the medbay as well, and he is one of the robots present. I haven't seen many of the others about, really. I believe it would count more along the lines of engineering or cybernetics for us, so mechanical skills would be beneficial.