Affiliations: Memorial Sloan Kettering Cancer Center and Weill Cornell Medicine, New York, NY

Areas of specialization: general oncology, medical oncology, breast cancer

Dr. Seidman is a medical oncologist who has spent three decades caring for people with breast cancer. He specializes in treating all subtypes and stages of breast cancer, from the earliest to the most advanced stages of the disease. He has special expertise in the understanding and treatment of breast cancer that has metastasized to the brain.