Dr. Comstock graduated from George Washington University School of Medicine & Health Sciences in 1986 and has been in practice for 31 years. He completed a residency at Umass Memorial Healthcare. He currently practices at Duke Gastroenterology of Raleigh and is affiliated with Rex Healthcare. Dr. Comstock accepts multiple insurance plans including Aetna, Medicare and Humana. Dr. Comstock also practices at Duke Raleigh Hospital Anesthesiology in Raleigh, NC. In addition to English, Dr. Comstock's practice supports this language: Spanish.