American Gastroenterological Association

National Office

4930 Del Ray Avenue

Bethesda, MD 20814

301-654-2055

http://www.gastro.org

Approximately 16,000 gastroenterologic physicians and scientists belong to this association. Membership is limited to physicians, researchers, and/or educators whose primary practice, research, and/or teaching involves the functions and disorders of the digestive system.

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

9000 Rockville Pike

Bethesda, MD 20892

1-800-860-8747

http://www.niddk.nih.gov

NIDDK provides information to people with digestive diseases, their families, healthcare professionals, and the general public.

Last reviewed November 2018 by EBSCO Medical Review Board Michael Woods, MD, FAAP