Dr. Hasan is a board certified Pediatric Endocrinologist. He graduated with a BS in Biological Sciences from UC Irvine and an MD from the Dominican Republic. He completed his residency at the Medical College of Wisconsin in Milwaukee and fellowship at Washington University in St. Louis, MO. He was on staff at Phoenix Children's Hospital for 17 years before moving to private practice in Gilbert, AZ in 2010. Dr. Hasan's interests include hiking, basketball, U.S. history, tennis and travel.