Locations
Doctors Office: This is where you go for regular check-ups and consultations.
Endoscopy Center: This is where you go for medical procedures, including colonoscopies, ultrasounds, studies, and more.
Malvern
Suite 200
Malvern, PA 19355
Doctors Office: This is where you go for regular check-ups and consultations.
Endoscopy Center: This is where you go for medical procedures, including colonoscopies, ultrasounds, studies, and more.
Main Line Endoscopy Center - West
Lower Level
Malvern, PA 19355
Meet Norman (Matt) Callahan, DO
Dr. Callahan is originally from York, Pennsylvania, and attended Ursinus College, graduating in 1983 with a B.S. in biology. Upon graduating, he was commissioned a lieutenant in the United States Marine Corps and served on active duty from 1983 to 1986.
After receiving his degree from the Philadelphia College of Osteopathic Medicine in 1991, he served a rotating internship at Suburban General Hospital in Norristown, Pennsylvania. In 1995 he completed his internal medicine residency at the Lankenau Hospital, followed by a two year gastroenterology fellowship at the same institution.
Dr. Callahan is board certified by the American Board of Internal Medicine in both Internal Medicine and Gastroenterology. He is a member of the American College of Physicians, the American College of Gastroenterology, the American Gastroenterologic Association, and the American Society for Gastrointestinal Endoscopy. He was recently voted Top Doc in Philadelphia Magazine’s Top Doctors 2018.
Dr. Callahan practiced in Lewes, Delaware prior to joining Main Line Gastroenterology Associates. He is married and has two sons.
Medical Education
Philadelphia College of Osteopathic Medicine
Residency
Lankenau Hospital
Fellowship
Lankenau Hospital