Dr. Ruben is a practicing physician and senior partner in Gastroenterology Professional Association. He is board certified in Internal Medicine and Gastroenterology.

Since 1986, Dr. Ruben has been a clinical instructor in medicine at Harvard University Medical School. He is a member of the American Gastroenterological Society and the American Society for Gastroenterological Endoscopy.

Dr. Robert Ruben received his undergraduate degree from Brandeis University and his degree in Medicine from the University of Vermont. His internship and residency was completed at the University of Colorado Health Sciences Center. He obtained one year special training in Pathology at the University of Vermont School of Medicine and completed a fellowship in Gastroenterology at the Brigham and Women’s Hospital in Boston, Massachusetts.