Dr. Elena Ivanina is a gastroenterologist in New York City quadruple board-certified in Gastroenterology, Preventive Medicine and Public Health, Obesity Medicine and Internal Medicine. She was interested in a holistic approach to medicine and therefore earned a medical degree from the New York College of Osteopathic Medicine and a Masters in Public Health form Columbia University. She went on to do a fellowship in Gastroenterology and is currently practicing in NYC. Her practice is focused on integrative gastroenterology and digestive wellness including plant-based nutrition and microbiome health. She specializes in small intestinal bacterial overgrowth, complementary and alternative medicine, autoimmune disease, chronic inflammatory diseases, leaky gut, celiac disease, weight loss and visceral manipulation.