Anish A. Sheth, MD, is chief of gastroenterology at Penn Medicine Princeton Health and is the author of several books on gut health including the bestseller, "What's Your Poo Telling You?" He is a mid-career physician who loves practicing medicine and is looking for ways to keep the fire burning! Dr. Sheth was a 2025–2026 Doximity Op-Med Fellow and continues as a 2026–2027 Doximity Op-Med Fellow.