what kind of a hematologist is someone
Doctors Who Treat Leukemia Patients Doctors Who Treat Leukemia Patients. What is a Hematologist? A hematologist is a doctor who specializes in treating conditions involving the blood. He or she studies the blood and tissues that form blood, such as the spleen and bone marrow. Specialists in this branch of medicine can also choose to focus on specific topics within the field.