General Info

Omar Niss, MD, is a pediatric hematologist-oncologist at Cincinnati Children's, where he directs the Classical Hematology program. He specializes in treating blood disorders such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia, and lymphoma. Dr. Niss is passionate about providing comprehensive care and support to children and their families, ensuring they receive the best possible treatment. His research focuses on improving outcomes for patients with sickle cell disease and other hematologic conditions.