Dr. John Clemmons, MD is a Gastroenterology Specialist in Houston, TX and has over 45 years of experience in the medical field. Dr. Clemmons has more experience with Anal & Rectal Disorders, Anal & Rectal Surgery, and Gastrointestinal Disorders than other specialists in his area. He graduated from Howard University College Of Medicine medical school in 1975. He is affiliated with medical facilities such as HCA Houston Healthcare Medical Center and CHI St Lukes Health - Baylor St Lukes Medical Center. He is accepting new patients. Be sure to call ahead with Dr. Clemmons to book an appointment.