Gastroenterology and Hepatology

Our Division

The Division of Gastroenterology and Hepatology hosts 30 faculty members dedicated to clinical practice, research and education.  Our division trains 15 fellows at a steady state, 4 of whom are funded by NIH research training grants.  We are NIH funded to train clinical psychology students to specialize in the psychosocial aspects of digestive disorders and the brain-gut connection. 

With approximately $4 million in sponsored research and a rapidly growing portfolio, the Division of Gastroenterology and Hepatology investigates esophageal and motility disorders including achalasia, dysphagia and GERD, as well as areas of interventional GI and pancreatobiliary diseases, quality improvement, and psychosocial GI.  We also host several industry-sponsored clinical trials, especially in the areas of Hepatitis C, NASH, eosinophilic esophagitis and inflammatory bowel diseases. 

In addition to general GI and Hepatology care, Divison faculty offer specialty, multidisciplinary care in the areas of achalasia, bariatrics, eosinophilic esophagitis, scleroderma, defecatory disorders, NASH, liver transplant, nutrition and health psychology. Through Northwestern Medicine facilities, division faculty deliver approximately 14,000 annual patient visits.

Learn more via the links below.

  • Education
    Learn about our fellowship program as well as our other contributions to the education of future leaders in gastroenterology and hepatology
  • Research
    Discover our areas of focus in research
  • Patient Care
    Connect with our affiliated care sites
  • Faculty
    Meet our faculty members
  • About Us
    Connect with our office; meet our chief

Meet our Faculty

Allan  Halline, MD

Allan Halline, MD

Lecturer of Medicine (Gastroenterology and Hepatology)

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