American Association for the Study of Liver diseases (AASLD)
The American Association for the Study of Liver Diseases (AASLD) is a leading organization of scientists and healthcare professionals committed to preventing and curing liver disease.  Information is available on all aspects of liver diseases. For generations, AASLD has been a catalyst for the investigation and treatment of liver diseases. AASLD upholds the standards of the profession and fosters research that generates improved treatment options for the millions of patients with liver disease. 

American College of Gastroenterology (ACG)
Formed in 1932, ACG's mission is to advance the scientific study and medical treatment of disorders of the gastrointestinal tract.

American College of Physicians (ACP)
The nation's largest medical specialty society with a mission to enhance the quality and effectiveness of health care by fostering excellence and professionalism in the practice of medicine.

American Gastroenterological Association (AGA)
Publications, brochures, organizations and other helpful information designed to answer your questions about a variety of digestive health concerns.

American Liver Foundation (ALF)
A national, voluntary nonprofit organization dedicated to the prevention, treatment, and cure of liver diseases through research, education and advocacy.

American Medical Association (AMA)
A leader in promoting professionalism in medicine and setting standards for medical education, practice, and ethics.

American Society for Gastrointestinal Endoscopy (ASGE)
Founded in 1941, the ASGE is a specialty society dedicated to the education of its physician members in the appropriate use of endoscopic techniques for the diagnosis and treatment of gastrointestinal diseases.

Celiac Sprue Association (CSA)
This is a nonprofit support organization dedicated to helping individuals with celiac disease.

Crohn's & Colitis Foundation of America (CCFA)
Advocates public policy positions that accelerate progress toward a future without Crohn's disease and ulcerative colitis.


National Cancer Institute (NCI)

Physicians Endoscopy
The preeminent ambulatory surgery center development and management company, specializing in ASC development and ASC management, physician hospital joint venture and surgery center acquisition. 

The International Foundation for Functional Gastrointestinal Disorders (IFFGD) is a nonprofit education and research organization. It is dedicated to informing, assisting, and supporting people affected by gastrointestinal (GI) disorders.