Welcome to the Upper East Side Hematology section containing hematologists in 10022, 10065, 10021, 10075, 10028 and 10128 zip codes. Hematologists specialize in disorders of the blood, spleen, and lymph glands. They treat conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia, and lymphoma, and they perform special types of procedures such as transfusions and bone marrow biopsies. Hematology is a subspecialty of internal medicine. Be sure to hold your mouse over any bold-italicized listings for a special pop-up description.