Chan, Walter W., M.D.
Gastroenterology

Mass General Brigham

850 Boylston St
Chestnut Hill MA 02467
Phone: 617-732-6389

Barrett's esophagus, esophageal disorders, gastroesophageal reflux disease (GERD), general gastroenterology, inflammatory bowel disease , motility disorders and bacterial overgrowth, motility studies,