Paul Johnson, MD, is a double board-certified surgeon who specializes in diseases of the colon and rectum., Colon and Rectal cancer, Laparoscopic Surgery, Robotic Surgery, Transanal Minimally Invasive Surgery (TAMIS), Crohn's Disease, Ulcerative Colitis, Diverticulitis, Anorectal Conditions and Surgery, Sphincter-Sparing surgery