A podiatrist is a doctor of podiatric medicine (DPM) specializing in the prevention, diagnosis, and treatment of the foot, ankle, and related structures of the leg. Podiatrists treat common foot conditions including bunions, hammertoe, plantar fasciitis, and neuroma, as well as injuries to the foot and ankle, such as sprains and stress fractures.Podiatrists complete four years of medical training in podiatry and three years of hospital residency training; they may specialize in a variety of fields, including surgery, sports medicine, wound care, pediatrics, and diabetic care.