I am a board-certified hematologist and medical oncologist with a major focus on treating cancers of the lymphoid immune system, in particular, Hodgkin and non-Hodgkin lymphomas and certain forms of leukemia. HIV-related lymphomas are one my main areas of interest. To provide the best treatment to each patient with these diseases, I work very closely with a team of expert specialists. For general information, call Memorial Sloan Kettering at 212-639-2000, 24 hours a day, seven days a week. To make an appointment, call us at 800-525-2225, Monday through Friday between 8:30 AM and 5:30 PM ET.