Her attitude is I am the Dr. and if you don't like get the F out because I am not changing, it's my practice. I have had to give her some things to think about, obviously she asked for my opinion but while true it might not be the best way to handle your team.
Oh yeah, she can't be doing that. It's a sorry stereotype of the awful doctor boss. I think many women as bosses don't feel quite confident in themselves and so become more obnoxious to their workers because of their own insecurity.
It takes a lot of time and effort to train employees and an attitude like that will mean lots of employee turnover and that's costly. You don't want to be a pushover either but you do need to make your business a happy place to work at if you want to keep good employees,