LIPG was created in 2010 by Dr. Mark Lowenheim, a board-certified pediatric gastroenterologist to offer family-focused care in a friendly environment.

Dr. Lowenheim has been practicing medicine on Long Island since 1991. Dr. Lowenheim was the first hospital-based pediatric gastroenterologist in Suffolk County to perform diagnostic procedures such as upper and lower endoscopies in children. He has been recognized as a Top doctor in the NY metro area by Castle Connolly and Newsday.

Dr. Lowenheim is an accredited member of NASPGHAN, the North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition.

LIPG offers a unique opportunity for transition support to adult care for young adults with special healthcare needs, as recognized and formalized in routine statements by the American Academy of Pediatrics and the Academy of Family Physicians.