Dr. Mullin is an associate professor of medicine at The Johns Hopkins Hospital. He is board-certified in internal medicine, gastroenterology, integrative medicine, functional medicine and nutrition. Nationally and internationally renowned for his work in integrative gastroenterology and nutrition, Dr. Mullin has more than 20 years of clinical experience in the field of integrative gastroenterology and earned his master’s degree in nutrition while in practice.

He is an associate editor of several nutrition and integrative medicine journals. Dr. Mullin was selected by Dr. Andrew Weil to serve as a senior editor for the first book for physicians on integrative gastroenterology by Oxford Press, which was released in May of 2011. He is a founding member of the American Board of Integrative Medicine and is board-certified in internal medicine, gastroenterology and nutrition. Dr. Mullin also serves on the editorial board of numerous journals for gastroenterology, nutrition and integrative medicine.

He received the Grace A. Goldsmith award presented by the American College of Nutrition in November 2011. This special award acknowledges a scientist who is under the age of 50 years, for significant achievements in the field of nutrition.