She completed her pediatric residency at Hasbro Children's Hospital,, Providence, Rhode Island, prior to training in adolescent medicine at Boston Children's. In addition to primary care, Dr. Hassan focuses her clinical interests on reproductive endocrinology and international health. She also maintains an active role in medical education and has particular interest in building and developing innovative teaching tools through open educational resources. She currently teaches, consults, and is involved in pediatric and adolescent curricula development at multiple sites abroad in Central America and Southeast Asia.