Patient ratings for Dr. Demattia average 3.0 stars out of 5. He is affiliated with Tomball Regional Medical Center (TRMC). He honors several insurance carriers, including Blue Cross Blue Shield Bronze, Blue Cross Blue Shield HMO, and Blue Cross Blue Shield Gold. Before performing his residency at St. Joseph's Hospital, Dr. Demattia attended Autonomous University of Guadalajara Faculty of Medicine and New York Medical College for medical school.