Patient reviews placed him at an average of 4.5 stars out of 5. Dr. Shannon has indicated that his clinical interests include polyps, colon cancer, and crohn's disease. He is affiliated with Memorial Hermann Sugar Land Hospital and Houston Methodist. He is an in-network provider for Blue Cross Blue Shield Bronze, Blue Cross Blue Shield HMO, Amerigroup Star, and more. Dr. Shannon is open to new patients. He obtained his medical school training at Northwestern University, Feinberg School of Medicine and performed his residency at a hospital affiliated with Baylor College of Medicine.