remove surgeon from my profile

i have had to change surgeons and i need to know how do i remove my old surgeon's info from my profile? i'm not trying to support a dr who gave me the run around i want to remove his name and all comments about him and replace with my new and better surgeon's info

We greatly appreciate your interest in helping us build our Q&A database. To discourage vandals from posting garbage, however, we require people to register before posting.