A podiatrist, a chiropodist, an orthopaedic surgeon.
A neurologist.
An infertility doctor helps women that cannot conceive children naturally. They specialize in treating reproductive disorders and treatments such as IVF.
That would be a "podiatrist".
Probably a Dermatologist. They are doctors specializing in the treatment of skin disorders and associated problems.
endocrinologist
The best thing to do about eating disorders is to get help. If you or you know someone that has one, go see your doctor. Your doctor will recommend you to a therapist and a nutritionist to help you overcome your eating disorders. Eating disorders can be fatal so it is extremely important for you to get help!
A doctor who specializes in sleep and sleep disorders
neurologists
geneticist
That would be a pulmonologist.
It is the study of disorders of the feet.
A doctor who specializes in disorders of the nerves is called a neurologist; this individual also often deals with disorders of the brain (which is basically a big collection of nerves).