norton nancy1

Nancy Norton is a prominent advocate for the study and treatment of functional gastrointestinal and motility disorders. On behalf of IFFGD, she organizes the biennial International Symposium on Functional Gastrointestinal Disorders, a forum for international experts. Ms. Norton has provided testimony to the U.S. Senate and House of Representatives Appropriation Subcommittees on Labor, Health and Human Services, and Education.

Professional Societies

Ms. Norton serves in several prominent professional societies. Her roles have included:


  • Norton, N.J., Epilogue, in Schuster, M.M. and Wehmueller, J., Keeping Control – Understanding and Overcoming Fecal Incontinence, Johns Hopkins University Press, 1994, pg. 137-146.
  • Nelson, R., Norton, N., Cautley, E., Furner, S., Community-Based Prevalence of Anal Incontinence, Journal of the American Medical Association. Vol. 274, No. 7, 559-561, 1995.
  • Norton, N.J., Patient Advocacy and Self-help Groups, in Olden. K.W. (ed): Handbook of Functional Gastrointestinal Disorders, Marcel Dekkar, Inc. 1996, Ch. 14, pp. 329-336.
  • Norton, N.J., The Patient Experience, Functional GI Disorders, Irritable Bowel Syndrome. Part 1, Nosology, Epidemiology, and Pathophysiology. American Digestive Health Foundation, 1999.
  • Whitehead, W., Wald, A., Norton, N., Treatment Options for Fecal Incontinence: A Consensus Conference Report, Diseases of the Colon and Rectum. Vol. 44, No. 1, 131-142, 2001.
  • Cohen S, Bacon BR, Berlin JA, Fleischer D, Hecht GA, Loehrer PJ Sr, McNair AE Jr, Mulholland M, Norton NJ, Rabeneck L, Ransohoff DF, Sonnenberg A, Vannier MW. National Institutes of Health State-of-the-Science Conference Statement: ERCP for diagnosis and therapy, January 14-16, 2002. Gastrointest Endosc. 2002 Dec;56(6):803-9.
  • Whitehead W.E., Norton N.J., Wald A. Introduction. Advancing the treatment of fecal and urinary incontinence through research. Gastroenterology. 2004 Jan;126(1 Suppl 1):S1-2.
  • Whitehead W.E., Wald A., Norton N.J. Priorities for treatment research from different professional perspectives: Gastroenterology. 2004 Jan;126(1 Suppl 1):S180-5.
  • Norton, N.J., The Perspective of the Patient. Gastroenterology 2004 Jan;126(1 Suppl 1):S175-9.
  • Chang L., Toner B.B., Fukudo S., Guthrie E., Locke G.R., Norton N.J., Sperber A.D. Gender, Age, Society, Culture, and the Patient's Perspective in the Functional Gastrointestinal Disorders. Gastroenterology. 2006 May; 130(5):1435-1446.
  • Chang L., Toner B.B., Fukudo S., Guthrie E., Locke G.R., Norton N.J., Sperber A.D., Gender, Age, Society, Culture, and the Patient's Perspective in the Functional Gastrointestinal Disorders, in Drossman DA (sr ed): Rome III: The Functional Gastrointestinal Disorders, Degnon Associates, Inc. 2006, Ch. 5, pp. 232-237. 
  • Norton N.J.. Foreword: A Patient’s View. In Thompson WG. Understanding the Irritable Gut: The Functional Gastrointestinal Disorders. McLean VA, Degnon Associates, 2008.
  • Drossman D.A., Chang L., Schneck S., Blackman C., Norton W.F., Norton N.J. A focus group assessment of patient perspectives on irritable bowel syndrome and illness severity. Dig Dis Sci. 2009 Apr 1.
  • Drossman D.A., Morris C.B., Schneck S., Hu Y.J.B., Norton N.J., Norton W.F., Weinland S., Dalton C., Leserman J., Bangdiwala S.I. International survey of patients with IBS: Symptom features and their severity, health status,treatments, and risk taking to achieve clinical benefit. J Clin Gastroenterol.2009 Jul;43(6):541-50.
  • Halpert A, Dalton CB, Palsson O, Morris C, Hu Y, Bangdiwala S, Hankins J, Norton N, Drossman DA. Irritable bowel syndrome patients' ideal expectations and recent experiences with healthcare providers: a national survey. Dig Dis Sci. 2010 Feb;55(2):375-83. Epub 2009 Jun 10.
  • Parkman HP, Camilleri M, Farrugia G, McCallum RW, Bharucha AE, Mayer EA, Tack JF, Spiller R, Horowitz M, Vinik AI, Galligan JJ, Pasricha PJ, Kuo B, Szarka LA, Marciani L, Jones K, Parrish CR, Sandroni P, Abell T, Ordog T, Hasler W, Koch KL, Sanders K, Norton NJ, Hamilton F. Gastroparesis and functional dyspepsia: excerpts from the AGA/ANMS meeting. Neurogastroenterol Motil. 2010 Feb;22(2):113-33. Epub 2009 Dec 9. Review.
  • Drossman DA, Chang L, Bellamy N, Gallo-Torres HE, Lembo A, Mearin F, Norton NJ, Whorwell P. Severity in irritable bowel syndrome: a Rome Foundation working team report. Am J Gastroenterol. 2011 Jul 12. doi: 10.1038/ajg.2011.201. [Epub]
  • Dorn SD, Morris CB, Schneck SE, Hopper TM, Hu YJ, Kelapure R, Weinland SR, Norton WF, Norton NJ, Drossman DA. Development and validation of the irritable bowel syndrome satisfaction with care scale. Clin Gastroenterol Hepatol. 2011 Dec;9(12):1065-71.e1-2. Epub 2011 Aug 18.
  • Norton NJ. Functional bowel disorders: a patient’s perspective. Am J Gastroenterol. 2016 Apr;111(4):451-1.
Nancy J. Norton, IFFGD President
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Written Comments to FDA June 29, 2015
Oral Comments to FDA May 11, 2015
Comments to FDA July 16th, 2014
Written Comments to Noridian October 24, 2013
Testimony to FDA October 25, 2012
Testimony to FDA September 12, 2012
Testimony to FDA December 13, 2011
Testimony to FDA December 2, 2010
Testimony to FDA April 23, 2002
Comments to FDA November 9, 2000
Testimony to FDA June 27, 2000
Testimony to FDA June 26, 2000
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Involvement in Shaping National Health Care Policy

IFFGD is a voice on Capital Hill working with the digestive health community.

Advocacy Activities, Legislative & Regulatory

Legislative Successes

Congressional Testimony