Dr. Daniel Patrick Obrien JR., MD

Dr. Daniel Obrien is a gastroenterologist who has dedicated 18 years to digestive health care. He earned his medical degree from SUNY Downstate Medical Center College of Medicine and completed his residency at University Hospital of Brooklyn. His expertise encompasses the full spectrum of digestive disorders, with particular focus on conditions affecting the colon and gastrointestinal tract. Dr. Obrien is fluent in both English and Spanish, allowing him to serve diverse patient populations.

Dr. Obrien practices at multiple locations across Connecticut and New York, including Danbury, Connecticut and Carmel, New York. He maintains affiliations with Danbury Hospital, Norwalk Hospital, and Putnam Hospital Center. His clinical expertise includes treating hemorrhoids, colon polyps, and diverticular disease. Dr. Obrien performs essential diagnostic procedures such as colonoscopy and both upper and lower GI endoscopy to help patients maintain optimal digestive health. Patients consistently …rate his care highly, giving him an average rating of 5.0.