Meet the Team

The team at the Reflux Center at Ascension Columbia St. Mary’s is experienced in GERD diagnosis and treatment – including the minimally invasive GERD procedures that are changing lives.

Joseph Regan, M.D., Medical Director

Dr. Regan earned his degree in medicine from Northwestern University in Chicago in 1996. He completed his residency in general surgery at the University of Maryland Medical System in Baltimore in 2002. In 2003, Dr. Regan completed a fellowship in laparoscopic digestive surgery at Mount Sinai Medical Center in New York City. Dr. Regan has been board certified in surgery since 2003.

Joseph Regan, MD
Joseph Regan, M.D.
Medical Director

Susan Dugan, RN, Nurse Coordinator

Susan earned her degree in nursing from Columbia University in New York City in 1977. She has extensive experience in supporting patients in all aspects of their care. She coordinates pre- and postoperative care, and follow-up care well after surgery.


Susan Dugan, RN
Nurse Coordinator



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