Horst Klueppelberg is a Hematologist Oncology specialist and an Oncologist in Gilbert, Arizona. Dr. Klueppelberg is highly rated in 40 conditions, according to our data. His top areas of expertise are Marginal Zone Lymphoma (MZL), Chronic Lymphocytic Leukemia (CLL), Richter Syndrome, and Chronic B-Cell Leukemia (CBCL). Dr. Klueppelberg is currently accepting new patients.