Koretsky GI - Peter Koretsky, MD PA Welcome to the office of Peter Koretsky, M.D. and Jill Polet, ARNP. Our office specializes in the care of medical disorders of the gastrointestinal tract. The delivery of high quality, cost-effective patient care is the primary goal of our office. Koretskygi.com~Site InfoWhoisTrace RouteRBL Check