Jonathan Bruce Greer, MD
Dr. Greer is a surgical oncologist who holds the titles of Director, Peritoneal Surface Malignancy Program and Director, General Surgery Residency Program at Massachusetts General Hospital. His clinical expertise includes cytoreductive surgery, gastric and gastroesophageal cancer, and the use of hyperthermic intraperitoneal chemotherapy (HIPEC).
Education and Career
Dr. Greer earned both his undergraduate and medical degrees from Brown University in Providence, Rhode Island. He completed a general surgery residency at the Massachusetts General Hospital/Harvard Medical School in Boston.
He then completed a research fellowship in immunology at New York’s Memorial Sloan Kettering Cancer Center. He also completed a clinical fellowship in complex general surgical oncology at the University of Pittsburgh Medical Center.[1]
After completing his education, Dr. Greer joined Johns Hopkins Medicine in 2019, where he was an assistant professor of surgery within the Johns Hopkins Department of Surgery and an assistant professor of oncology within the gastrointestinal cancer program at the Johns Hopkins University School of Medicine’s Sidney Kimmel Comprehensive Cancer Center.
He was the director of the peritoneal surface malignancy program, program director for the complex general surgical oncology fellowship, and a member of the gastric cancer center, the sarcoma program, and the neuroendocrine multidisciplinary clinic at Johns Hopkins.
Dr. Greer is now a surgical oncologist at Massachusetts General Hospital. He directs the peritoneal surface malignancy program and specializes in treating peritoneal mesothelioma, gastric cancer, gastroesophageal cancer, colorectal cancer, neuroendocrine tumors, and other similar cancers. He is skilled in cytoreductive surgery with or without HIPEC.
Dr. Greer is a member of the Association of Academic Surgeons, the American College of Surgeons, the Society for Surgery of the Alimentary Tract, the Trans-Atlantic Retroperitoneal Sarcoma Working Group, the Connective Tissue Oncology Society, and a fellow of the Society of Surgical Oncology (FSSO).
Research Interests
Dr. Greer has published extensively on his varied areas of research interest, which include malignant peritoneal mesothelioma and enhancing patient selection in cytoreductive surgery with and without hyperthermic intraperitoneal chemotherapy (HIPEC).[2]
He also studies the molecular drivers of peritoneal metastasis, the role of immunotherapy in peritoneal malignancy, and designs clinical trials for gastric cancer, sarcoma, neuroendocrine tumors, and peritoneal surface malignancy.
Dr. Greer’s clinical expertise and research in the use of HIPEC make him a sought-after physician for patients seeking care for malignant peritoneal mesothelioma.
