After graduating from The University of Santo Tomas Catholic University of the Philippines in 1991, Dr. Ferrer finished his Internal Medicine residency at The University of Illinois at Chicago in 1997. He went on to complete a Fellowship in Endocrinology at The University of Texas Medical Branch at Galveston in 1999. Dr. Ferrer is a fellow of the American College of Endocrinology, and a member of the American Association of Clinical Endocrinologists, and American Diabetes Association. In his free time, Dr. Ferrer enjoys tennis, biking, and swimming with his kids. He joined Kelsey-Seybold Clinic in 2008.