Founded in 1971, Main Line Gastroenterology Associates is an independent private practice for the diagnosis and treatment of ... digestive diseases and disorders with a special focus on the screening and prevention of colon cancer. With seven locations across Montgomery, Chester and Delaware counties, MLGA is conveniently located to serve our patients in the Philadelphia metropolitan area. MLGA is the only private practice in the region to have a fully accredited gastroenterology fellowship program that annually graduates specialists who serve at the finest hospitals and medical practices in America. read more