Bassin, Lawrence A.

Dr. Bassin is board-certified in gastroenterology and internal medicine. He was born and raised in Montgomery County, Md. until he left for college to pursue his career in medicine. In 2003, his life came full circle when he returned to the area to care for his fellow Washingtonians. Throughout his career, Dr. Bassin has been […]

Chasen, Richard M.

Richard M. Chasen, MD, FACG

Dr. Chasen is a board-certified and fellowship-trained gastroenterologist. He enjoys the clinical practice of Gastroenterology because it has allowed him to develop long-term relationships with his patients. In addition to his clinical practice, he has served as chief of medicine and assistant chief of medicine at Laurel Regional Hospital and Washington Adventist Hospital. He was […]

Kirk, Kathryn

Kathryn Kirk, MD

Dr. Kirk is a board-certified and fellowship-trained gastroenterologist. She serves on the medical staff of Sibley Memorial Hospital. She has been consistently recognized by her peers as a “Top Doctor” in Washingtonian magazine. Her personal interests include photography, writing, film, and sports. Dr. Kirk is a native Spanish speaker and is originally from the Washington […]

Lawrence, Marvin E.

Marvin E. Lawrence II, MD, FACG

Dr. Lawrence is a board-certified and fellowship-trained gastroenterologist. He takes a holistic view towards treating his patients and understands that teaching patients about their illness is just as important as treating them. An active member of the community, Dr. Lawrence is involved in many community and charitable organizations. He also serves as chief of gastroenterology […]