Dr. Mark Dubinski received his B.S. from Villanova University in 1982. He then graduated from Rutgers Medical School now known as Robert Wood Johnson Medical School in New Brunswick, NJ in 1986. Dr. Dubinski then completed his Internal Medicine Internship and Residency Program at The Robert Wood Johnson Medical Center in 1989. Prior to Completing a fellowship in Gastroenterology and Hepatology at the Geneesee Hospital in Rochester, New York, Dr. Dubinski was an Emergency Room Physician at the Medical Center in Princeton, New Jersey.

Dr. Dubinski is board certified in Gastroenterology. He joined Wilmington Gastroenterology in 2021 after practicing gastroenterology 28 years at DukeLifepoint Medical Center in Henderson, NC. He and his wife, Lisa, reside in downtown Wilmington.