Dr. Eric Nellis obtained a B.S. in biochemistry from Georgetown University where he graduated magna cum laude and also received his medical degree from the Georgetown University School of Medicine in Washington, DC. He then went on to complete his internship and internal medicine residency at Temple University Hospital in Philadelphia, PA. Following his residency training Dr. Nellis completed his fellowship in gastroenterology at the Lehigh Valley Health Network in Allentown, PA.

Dr. Nellis has an interest in general gastroenterology as well as esophageal motility and reflux diseases. He is currently a member of the American College of Gastroenterology and the American Gastroenterological Association. He is board certified in internal medicine and gastroenterology.