Dr. Mary Keohan, MD is a medical oncologist in New York, NY and has over 32 years of experience in the medical field. Dr. Keohan has extensive experience in Gastrointestinal Neoplasms, Pulmonary Neoplasms, and Renal Neoplasms & Resection. She graduated from St. Georges University School of Medicine in 1991. She is affiliated with medical facilities such as NYU Langone Hospitals and North Shore University Hospital. She is accepting new patients and telehealth appointments.