Lawrence B. Tena, M.D. is an Assistant Professor in the Department of Radiation Oncology at the Icahn School of Medicine at Mount Sinai and on the medical staff at Mount Sinai Beth Israel Medical Center, Mount Sinai St. Luke's-Roosevelt Hospital and New York Eye and Ear Infirmary of Mount Sinai. He is a board-certified radiation oncologist who was formerly an Assistant Professor at New York Medical College and previously worked at The Saint Vincent's Comprehensive Cancer Center and Lenox Hill Hospital in Manhattan, and in private practice at Eastside Radiation Oncology on the upper eastside and NRAD Long Island Radiation Therapy in Long Island. Dr. Tena practices general radiation oncology and specializes in Head and Neck, Eye, Genitourinary, Gynecological, Gastrointestinal and Central Nervous System cancers and has clinical expertise in brachytherapy and stereotactic radiation therapy. Dr. Tena has been published in numerous medical journals, including Brachytherapy, Ophthalmology, International Journal of Radiation Oncology, Biology, Physics and American Journal of Ophthalmology. He has presented his research at medical conferences nationally and internationally. Dr. Tena completed his residency in Radiation Oncology at the Johns Hopkins University School of Medicine in Baltimore, MD where he served as the Chief Resident and completed his internship in Internal Medicine at The Alton Ochsner Medical Foundation in New Orleans, LA. He received his M.D. from Tulane University in New Orleans, LA and received a B.S. in Biomedical Engineering from Boston University. Prior to medical school, he worked as an Installation/Field Service Engineer for Varian Medical Systems and Elekta (formerly Philips Medical Systems).