
Cielo Alleyn, MD
Section Head, Pediatric Endocrinology
Adolescent and Young Adult Cancer and Survivorship, Pediatric Endocrinology, LGBTQ+ Health Care
Dr. Alleyn received her medical degree from Universidad Central del Caribe in Puerto Rico. She completed her pediatric internship and residency at Children's Hospital of Pennsylvania. She then completed a pediatric endocrinology fellowship at Boston Children's Hospital. Dr. Alleyn was also a research fellow at the Joslin Diabetes Center in Boston. She is board certified in pediatrics and pediatric endocrinology.