Elan R. Witkowski, MD, MS, is a minimally invasive surgeon at Massachusetts General Hospital. His clinical interests include bariatric and metabolic surgery, gastroesophageal reflux disease (GERD), as well as hernia surgery and complex abdominal wall reconstruction. He performs open, laparoscopic, and robotic surgery. His research interests include epidemiology, surgical outcomes, and artificial intelligence. 

Dr. Witkowski is a surgeon at Massachusetts General Hospital. He received his MD degree from the University of Massachusetts Medical School in 2008. During his surgical residency, he also completed a Masters degree in Epidemiology at the Harvard School of Public Health in 2012. He completed his residency at the University of Massachusetts Medical School in 2015. In 2016, he completed a fellowship in the minimally invasive, bariatric, and advanced GI surgery at Massachusetts General Hospital and Harvard Medical School. 

After completing fellowship, Dr. Witkowski joined the faculty at Massachusetts General Hospital and Harvard Medical School. His clinical practice is focused on primary and revisional bariatric and metabolic surgery, foregut surgery including reflux surgery and hiatal hernias, as well as abdominal hernia surgery and complex abdominal wall reconstruction. He performs open, laparoscopic, and robotic surgery. 

Dr. Witkowski has received numerous awards and honors, and holds leadership positions in a number of national organizations. His research interests include quantitative studies focused on healthcare utilization, outcomes and cost-effectiveness of advanced medical technologies and therapeutics. He is also interested in technological innovation including surgical device development, healthcare information technology, and artificial intelligence.