I need a good bipolar doctor for my mom plz?

so i am 19 years old and my mom i 47...she told us that she was bipolar but she recently started showing symptoms.. she has been acting very strange it has been a nightmare.. she is happy one second and sad the next she thinks that everybody is trying to control her and she has been getting violent she just cleans and organises all day who can give me a good bipolar doctor i just want my mom back...