Before performing his residency at Naval Medical Center Portsmouth, Dr. Delcastillo attended Autonomous University of Guadalajara Faculty of Medicine and the University of Texas Medical School at Houston for medical school. Dr. Delcastillo's clinical interests encompass infertility and laser surgery. His patients gave him an average rating of 4.5 out of 5 stars. Dr. Delcastillo takes Blue Cross Blue Shield Bronze, Amerigroup Star, and Blue Cross Blue Shield Gold, as well as other insurance carriers. He is affiliated with Park Plaza Hospital and Children's Memorial Hermann Hospital.