Atlantic Health System is Seeking a Gastroenterologist in Central, New Jersey Atlantic Health System, one of New Jersey’s largest non-profit healthcare systems, is seeking an experienced and fellowship-trained Gastroenterologist to join its expanding, award-winning GI program across Old Bridge and Metuchen, NJ. Atlantic Medical Group, comprised of 1,000 physicians and advanced practice providers, represents one of the largest multi-specialty practices in New Jersey and includes finance, legal, marketing, human resources, talent acquisition, ISS and more.