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Le-Chu Su, MD


Crohn's Disease
Inflammatory Bowel Disease (IBD)
Interventional Endoscopy
Irritable Bowel Syndrome (IBS)
Ulcerative Colitis


Le-Chu Su, MD, PhD, AGAF, is a well-known gastroenterologist who specializes in the medical treatment of inflammatory bowel disease (IBD) and has an additional interest in nutritional therapies in IBD. She is a member of the IBD Center at Columbia within the Division of Colorectal Surgery, where she works closely with other gastroenterologists and colorectal surgeons as part of the state’s most comprehensive IBD treatment programs.

Dr. Su received her medical degree from Case Western University. She also holds a PhD in Nutrition from the University of Minnesota and the Mayo Clinic and also completed a fellowship in gastroenterology at Cleveland Clinic. Before joining Columbia, Dr. Su was a faculty member at the University of Central Florida (UCF) and Cleveland Clinic, where she was in charge of developing and growing a satellite clinic for patients with gastroenterological conditions.

Beyond the bedside, Dr. Su is an avid researcher. As group lead for both Gastroenterology & IBD Research Groups at UCF, she has published research, book chapters, and presented abstracts at national conferences. At Columbia, Dr. Su has continued her research with the IBD Center, focusing on nutrition in patients with IBD.

Dr. Su has been recognized for her hard work and dedication; she has been named Top Gastroenterologist in 2017 and 2019 by Orlando Magazine and Top Gastroenterologist from the International Association of Healthcare Professionals from 2015-2017.


Orlando Top Gastroenterologist, Orlando Magazine, 2017, 2019.

Top Gastroenterologist, the Leading Physician of the World, the international Association of HealthCare Professionals, 2015-2017.

Fellow of American Gastroenterological Association, 2015

Master Physician of the American Academy of Gastroenterology, 2011

IBC Leading Health Professionals of the World, 2010

America’s Top Gastroenterologist, 2007-2015

America’s Top Physician, 2003-2015

NIH National Research Service Award, 1992, MetroHealth Medical Center, Cleveland, Ohio.

Scientific Achievement Award, 1990, MetroHealth Medical Center, Cleveland, Ohio.

Medical Student Summer Research Scholarship, 1985, Metro General Hospital, Cleveland, Ohio

Mayo Foundation Fellowship, 1978-1980, Mayo Clinic, Rochester, Minnesota.

Hsiung-Cheng Lin Scholarship, 1970-1974, National Taiwan University, Taipei, Taiwan, ROC.

Honor Student Awards, 1970-1974, National Taiwan University, Taipei, Taiwan, ROC.


Original, Peer Reviewed Articles Soulakova, J.N., Le-Chu Su, L.J. Crockett: Smokers'reports on receiving a doctor's advice to quit smoking: receiving the advice is more prevalent among smokers with Crohn's disease relative to smokers with ulcerative colitis, accepted for publication, Preventive Med Reports.

Cassisi, J.E., E.J. Ross, H. Vivier, N. James, Le-Chu Su: The impact of gluten free diet on Celiac disease: a comprehensive evaluation of two cases using NIH patient reported outcome measures (PROMIS, NTCB, and Neuro-QoL), published online on Jan 23, 2020 in Journal of Clinical Psychology in Medical Settings.

Yao, Qingping, Le-Chu Su, K. J. Tomecki, L. Zhou, B. Jayakar and B. Shen: Dermatitis as a new autoinflammatory disease associated with NOD2 mutations. Epub, Oct 24, 2012. J. Am Acad Dermatol., 68(4):624-31, 2013.

Yao, Qingping, L. Zhou, P. Cusumano, N. Bose, M.Piliang, B. Jayakar, Le-Chu Su and B. Shen: A new category of autoinflammatory disease associated with NOD2 gene mutations. Arthritis Research & Therapy 13(5):R148, Published online Sept 14, 2011.

Menken BZ, Le-Chu Su, KL Ayaz and AS Csallany: Organic solvent soluble lipofuscin pigments and glutathione peroxidase in mouse brain and heart: effects of age and vitamin E. J Nutr.116(3):350-5., 1986.

Csallany, AS, Le-Chu Su and BZ. Menken: Effect of selenite, vitamin E and N,N'-diphenyl-phenylenediamine on liver organic solvent-soluble lipofuscin pigments in mice. J Nutr 114(9):1582-7, 1984. McClain, CJ and Le-Chu Su: Zinc deficiency in the alcoholic. Alcoholism Clin Exp Res 7: 5-10, 1983.

McClain, CJ; Le-Chu Su and RL Gebhard: Zinc-deficiency-induced retinal dysfunction in Crohn's disease. Dig Dis Sci 28: 85-87, 1983.

Su, Le-Chu; CA Owen, Jr, PE Zollman and RM Hardy: A defect of biliary excretion of copper-laden Bedlinton terriers. Am J Physiol 243: G231-236, 1982.

Su, Le-Chu; S Ravanshad, CA Owen, Jr, JT McCall, P Zollman and RM Hardy: A comparison of copper-loading disease in Bedlinton terriers and Wilson's disease in humans. Am J Physiol 243: G226-G230, 1982.

Su, Le-Chu; KL Ayaz and AS Csallany: Glutathione peroxidase in mouse tissues: effect of age and dietary vitamin E. Nutr Rep Intl 20: 461-467, 1979.

Csallany, AS; KL Ayaz and Le-Chu Su: Effect of dietary vitamin E and aging on tissue lipofuscin pigment concentration in mice. J Nutr 107: 1792-1799, 1977.

Other Peer Reviewed Publications Su, Le-Chu and AJ McCullough: New treatments for alcoholic liver disease. Contemporary Int Med 6 (1): 24-35, 1994.

Books and Chapters Su, Le-Chu and L Matarese: Refeeding syndrome. Clinical Nutrition in Gastrointestinal Disease, ed. By AL Buchman, Slack Incorporated, p 551-557, 2006.

Other Non-Peer Reviewed Publications Su, Le-Chu: Dietary Management of IBD, featured in Journal scan/Reviews, Gastroenterology, PracticeUpdate, March 18, 2015, (Nat Rev. Gastroenterol Hepatol 12(3) 133-146, 2015)