Rayan Kteish, MD

Dr. Rayan Kteish is a board-certified pediatrician with additional training in sleep medicine. She has been passionate about pediatrics since she was a child, and that passion continues to guide her in caring for children and supporting families through every stage of growth. Dr. Kteish finds it deeply rewarding to help children thrive and to partner with families in promoting their health and well-being. Known for her caring and thorough approach, she provides compassionate, evidence-based care that helps families feel informed and supported. Her background includes research in allergy and immunology at Boston Children’s Hospital, residency training at Nassau University Medical Center, and a fellowship in Sleep Medicine at Stony Brook University Hospital, where she continues to care for families in the Long Island community.