He is especially interested in weight management. His hospital/clinic affiliations include Memorial Hermann Sugar Land Hospital, Memorial Hermann - Texas Medical Center (TMC), and the University of Texas (UT) Physicians. Dr. Walker attended medical school at St. Louis University School of Medicine. Dr. Walker trained at a hospital affiliated with the University of Texas Health Science Center at Houston for residency. He is an in-network provider for Blue Cross Blue Shield Bronze, Amerigroup Star, and Blue Cross Blue Shield Gold, as well as other insurance carriers.