Bruce D. Greenwald, MD is a cum laude graduate of Dartmouth College and graduated from the University of Maryland School of Medicine magna cum laude in 1987. He completed Internal Medicine internship and residency training at the University of Virginia Hospital, then returned to the University of Maryland to complete fellowship training in Gastroenterology. After serving as chief medical resident for one year, he joined the faculty of the University of Maryland School of Medicine in 1993. He was promoted to Professor of Medicine in 2009.
Dr. Greenwald’s clinical and research interests focus on cancer and pre-cancerous conditions of the esophagus. Early in his career his research focused on genetic and epigenetic changes in the esophagus in cancer and Barrett’s esophagus. More recently his research has centered around minimally invasive staging methods and endoscopic treatments for esophageal cancer. He has pioneered the use of low pressure liquid nitrogen spray cryotherapy for the treatment of Barrett’s esophagus with high-grade dysplasia and early stage esophageal cancer. He is an active member of the Thoracic Oncology Program of the Marlene and Stewart Greenebaum Cancer Center at the University of Maryland.
Dr. Greenwald has authored 44 peer-reviewed publications, 17 non-peer reviewed publications, and 7 book chapters, many focused on esophageal disease. He is also active in clinical care, teaching, and research.