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Dr. Mercogliano was born in Italy and raised and educated in the Philadelphia area. He speaks fluent Italian and has been on staff at the Lankenau Medical Center since 1988. Dr. Mercogliano is board certified in both internal medicine and gastroenterology. He is an active member of the American Gastroenterology Association, American College of Gastroenterology, the Bockus Society and the American Society of Gastrointestinal Endoscopy. Dr. Mercogliano is actively involved in teaching and training internal medicine residents and gastroenterology fellows. He was the Director of the Gastroenterology Fellowship program at the Lankenau Medical Center for 14 years. He is Chief of Gastroenterology for the Main Line Health System and Associate Clinical Professor of Medicine at Jefferson University Medical School. Dr. Mercogliano has numerous publications and remains active in clinical research. Dr. Mercogliano graduated from LaSalle College in 1979 with honors. After graduating from Hahnemann University Medical School in 1983, he started his residency in internal medicine at Lankenau Hospital. Dr. Mercogliano remained at Lankenau Hospital for a fellowship in gastroenterology. Since completion of his fellowship he has remained at the Lankenau Medical Center. He is married and has three children.