Can you tell me more details about your question?I have searched a lot of information about your question,but I really can not find exact figure about you questin.There are some famous ancient doctors related to your question.
One is called Sun Simiao.He was appointed as an official because he cured the queen.However,he didn't want to stay in palace,so he left the palace and then faked his own death.
An other one is called Hua Tuo.He was ordered to heal a king called Cao Cao.When the king asked him how to heal his headache ,he told him to have an operation that need to open his head.The king is very anger because he believed Hua Tuo wanted to kill him.So the king killed Huo tuo.