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Gerard Mullin, M.D.

Associate Professor of Medicine
Director, Integrative Gastroenterology Nutrition Services

Gerard Mullin, M.D.


Dr. Gerard Mullin is associate professor in the department of medicine as well as director of Integrative Gastroenterology Nutrition Services and director of Capsule Endoscopy at The Johns Hopkins Hospital.

He is board-certified in internal medicine, gastroenterology and nutrition.

Nationally and internationally renowned for his work in integrative gastroenterology and nutrition, Dr. Mullin has accumulated over 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 also is former president of the Maryland and Long-Island Societies of Parenteral and Enteral Nutrition In 2009 he was named by the American Dietetic Association’s honorary member of the year.

He has been interviewed on radio and television and has contributed to stories in The Wall Street Journal, the Associated Press, ABC News, Good Morning America, Chicago Tribune, Newsday, Martha Stewart Living, Rodale Press, Consumers Digest, Reader’s Digest, Prevention, Natural Health magazine, More Magazine, Ladies Home Journal, Body & Soul, Cooking Light, Women’s World, Men’s Health, Good Housekeeping, Glamour and more.

Mullin’s biography has been included in Marquis Who’s Who in the World and in Marquis Who’s Who in America numerous times. His contributions and discoveries have led to multiple awards and his continued selection as one of America’s Top Physicians by the Consumer’s Research Council of America since 2004.

Dr. Mullin was the youngest person to receive an Honorary membership from the American Dietetic Association in 2009. He also 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.

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.