Dr. Nayma Casamayor is an internal medicine physician at Mount Sinai Medical Center. Dr. Casamayor earned her medical degree at Universidad Iberoamericana in Santo Domingo, Dominican Republic, and completed a residency in internal medicine at Flushing Hospital Medical Center in Queens, NY.

Dr. Casamayor holds procedure certification in central line insertion, paracentisis, and arterial blood gas procedures (ABG). She has presented on topics including lymphoma, chronic pain, and hemophilia patients. She is fluent in Spanish.