He speaks Japanese. He is professionally affiliated with Medical City Children's Hospital, Children's Health (Texas), and Texas Health Dallas. Dr. Gray attended Ohio State University College of Medicine for medical school and subsequently trained at a hospital affiliated with West Virginia University for residency. Dr. Gray is rated highly by his patients. He is an in-network provider for Blue Cross Blue Shield Bronze, Blue Cross Blue Shield HMO, and Blue Cross Blue Shield Gold, as well as other insurance carriers. He welcomes new patients.