Dr. Leonel Hernandez Aya received his medical degree from Universidad Nacional de Colombia. He completed his residency in internal medicine at JFK North Campus (formerly Columbia Hospital) and a fellowship at University of Michigan in Hematology/Oncology. He has clinical interests in ocular melanoma, cutaneous melanoma and other skin malignancies including squamous cell carcinoma, advanced basal cell carcinoma and Merkel cell carcinoma. He is board certified in Medical Oncology and Internal Medicine.