A colorectal surgeon, also known as a proctologist, is the type of doctor that removes hemorrhoids. The colorectal surgeon is a specialist in diseases of the colon and rectum, according to About.com.
Colon and rectal surgeons have expertise in both non-surgical and surgical treatment of diseases of the rectum, colon and anus, according to the American Society of Colon & Rectal Surgeons. Board-certified colon and rectal surgeons must complete residencies in both general surgery as well as colon and rectal surgery. They must also pass an intensive and rigorous certification examination, explains the American Society of Colon & Rectal Surgeons.