Celiac Support Association

CSA Medical Advisors 

Medical Advisors are Board Certified physicians and licensed health professionals. Send nominations for Medical Advisors to the CSA home office, current advisors make final selection of new members.  Each CSA Chapter is required to partner with a team of health professionals, including a physician and dietitian.  

David M. Underwood Chair of Medicine in Digestive Disorders, chief of the Division of Gastroenterology and Hepatology, and a professor of medicine at Weill Cornell Medical College at Houston Methodist Hospital in Houston. He is also a principal investigator at the Alimentary Pharmabiotic Centre (APC) in Cork, Ireland.

C. Robert Dahl, M.D.


Eamonn M. M. Quigley, M.D.  Houston Methodist Hospital in Houston. 

Z. Myron Falchuk, M.D.
Harvard Medical School


John Schaffner, M.D.
Mayo Clinic

Roger L. Gebhard, M.D.
University of Minnesota


Nuzhat Iqbal, M.D.
Longmont, CO


Russell Hall, M.D.
Duke University Medical Center



Anthony Colatrella, MD

Chief of CSA Medical Advisory Team


Gary Gray, M.D.




CSA Scientific Advisors

David Sands, Ph.D.
Montana State University


Scott Bean, Ph.D.
U.S. Department of Agriculture

Steve Taylor, Ph.D.
University of Nebraska


Jean Guest, Ph.D., R.D., L.M.N.T.
Advisor Emeritus

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