David P. Horowitz, MD

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David Horowitz, M.D. is a board-certified radiation oncologist and Assistant Professor of Radiation Oncology at New York-Presbyterian/Columbia University Irving Medical Center. His clinical focus is on gastrointestinal cancers, lymphoma and breast cancer, and his research interests focus on the development of novel ways to deliver precision radiation therapy to hard-to-treat cancers. Dr. Horowitz received his B.A. from Dartmouth College and his M.D. from the Johns Hopkins University School of Medicine, during which time he completed a research fellowship in the Department of Radiation Oncology and Molecular Radiation Sciences. He completed his internal medicine internship training at the Georgetown University/Washington Hospital Center after which he completed his radiation oncology training at New York Presbyterian Hospital (Columbia University Medical Center Campus), where he additionally served as Chief Resident. Dr. Horowitz has developed the use of multiple radiation techniques at the Columbia University Irving Medical Center to best help patients with cancer receive the most effective treatments while minimizing potential side effects. These include stereotactic body radiation therapy (SBRT), stereotactic radiosurgery, hypofractionated ablative radiation therapy, intensity modulated radiation therapy, image-guided radiation therapy, intraoperative radiotherapy, brachytherapy, total body irradiation, and total skin electron beam therapy. As a member of the Pancreas Center at Columbia, Dr. Horowitz is part of a multidisciplinary team that brings expertise from multiple specialties, including surgery, medical oncology and radiology to the care of complex patients with pancreas cancer. Outside of his clinical duties, Dr. Horowitz serves as Director of Medical Student Education in the Department of Radiation Oncology, as well as the Associate Program Director for the department's residency program. Dr. Horowitz has mentored numerous medical students and residents, with multiple mentees receiving competitive research grants from the NIH, American Medical Association, and Gold Foundation. For a list of publications, please visit Pubmed.gov