In order to treat anxiety you usually have to see two doctors: a therapist and a psychiatrist. Though therapists are more often considered counselors, they will help you to face and over come your anxiety. A psychiatrist will prescribe anti-anxiety medication if they see fit. If you are on anti-anxiety medication you are usually required to go to therapy.
Dermatologist treats that condition
The Dermatologist (skin doctor)
Foot doctor
I think its an orthapeadic doctor
an oncologist
A psychologist.
gastroenteroligist
nuerologist
A gastroenterologist treats stomach pain.
A GP should do.
Pediatrician.
podiatrist