Dr. Kallus is a board-certified and fellowship-trained gastroenterologist. He is interested in promoting patient-centered care through strong communication and a systems-oriented approach.

Before joining Capital Digestive Care, Dr. Kallus was an assistant professor of medicine in the Division of Gastroenterology and Liver Diseases at George Washington University. He has participated in several national and regional patient safety workgroups and councils to improve care quality for everyone. Dr. Kallus has authored numerous articles and abstracts in peer-reviewed journals and has presented at national medical conferences.

Outside the office, Dr. Kallus enjoys running and playing softball, hockey, basketball, and bowling. He also loves spending time with his family including his wife, child, and dog.