What is a rheumatologist? A rheumatologist is an inner medicine doctor or pediatrician who’s certified by additional training and experience in the prognosis and treatment of arthritis and other diseases of the joints, muscular tissues, bones, and connective tissue. Rheumatologists additionally specialise in treating conditions in which the immune system attacks the body, known as auto-immune disease. What kind of training do rheumatologists have? After four years of medical school and three years of training in either inside medicine or…