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Dr. Isabelle von Althen-Dagum Joins Gastroenterology Group

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Dr. Isabelle von Althen-Dagum Joins Gastroenterology Group

Isabelle von Althen-Dagum, MD, has joined the Gastroenterology Group at St. Catherine of Siena Medical Center. The office is located at 317 East Main Street, Suite 1, in Smithtown.

Dr. von Althen-Dagum received her medical degree from the University of Ottawa, in Canada, and completed her gastroenterology residency and fellowship programs at Toronto General Hospital, St. Michael’s Hospital and Mt. Sinai Hospital in Toronto, Canada. 

Prior to joining the specialty group at St. Catherine of Siena, Dr. von Althen-Dagum was the Medical Director of SUNY at Stony Brook Department of Gastro Health Services Center. Her expertise has earned her leadership awards for outstanding dedication in the field.

Dr. von Althen-Dagum’s and expertise is in the field of colon cancer screening, colonoscopies, reflux, gallbladder disease, irritable bowel syndrome, and Helicobacter pylori. She specializes in endoscopy procedures with a clinical interest in women's gastrointestinal health.

To make an appointment with Dr. von Althen-Dagum, call (631) 360-4000. Most insurance plans accepted.