Westchester Oncology and Hematology Group is a group medical practice. It specializes in the diagnosis and treatment of such conditions as aplastic anemia, breast cancer, Hodgkin’s disease, non-Hodgkin’s lymphoma, leukemia, multiple myeloma and acute lymphocytic pediatric leukemia. It performs such procedures as bone marrow transplants and the injection and infusion of chemotherapeutic substances. The practice is led by physicians Tauseef Ahmed, MD, Woondong Jeong, MD, Delong Liu, MD, John Nelson, MD, Carmelo Puccio, MD, Karen Seiter, MD, and Kiran Yalamanchili, MD.