Gastroenterology and Hepatology

About Us

The Division of Gastroenterology and Hepatology is dedicated to clinical practice, research and education in esophageal and motility disorders, including achalasia, dysphagia and GERD.

The division has a robust clinical practice that resides within our new Digestive Health Center … a true collaborative effort.”

– John Pandolfino, MD

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What We Do

Faculty: Meet the Team

View individual profiles of our faculty members and learn about their research and clinical specialties.

David M Shapiro

Assistant Professor of Medicine (Gastroenterology and Hepatology)

I perform primary and secondary endoscopic (non-surgical) therapies for obesity, including placement of the Orbera gastric balloon, the Aspire Assist device and endoscopic sleeve gastroplasty. I also perform gastro-jejunal outlet reduction for weight regain after bariatric surgery. I have also been trained to use the EsophyX device (TIF procedure) as a minimally invasive (non-surgical) treatment for GERD. I am also interested in endoscopic treatment of post-surgical complications and endoscopic suturing.

Emanuelle A Bellaguarda

Assistant Professor of Medicine (Gastroenterology and Hepatology)

Inflammatory bowel disease (Crohn's disease and ulcerative colitis), therapeutic drug monitoring, clinical trials

Greg S Cohen

Clinical Associate Professor of Medicine (Gastroenterology and Hepatology)

Dr. Cohen practices General Gastroenterology with additional special focuses on Crohn's Disease, Ulcerative Colitis, and non surgical treatment of hemorrhoids. Dr. Cohen is originally from Potomac, Maryland. He completed his undergraduate work at Cornell University and medical school at the University of Maryland. Dr. Cohen moved to Chicago in 1998 where he completed his residency at Northwestern followed by a 4 year combined clinical and research GI fellowship under an NIH training grant at the University of Chicago. He has been in practice at Northwestern since 2005. Dr. Cohen is board certi...

Richard Green

Professor of Medicine (Gastroenterology and Hepatology)

Hepatology (liver)

Adam C Stein

Associate Professor of Medicine (Gastroenterology and Hepatology)

I specialize in the evaluation and treatment of gastrointestinal disorders that involve the small bowel, including Crohn's disease, intestinal failure (such as from short bowel syndrome), celiac disease, enteropathy, fat/protein malabsorption, cystic fibrosis, and obscure gastrointestinal bleeding. Additionally, I see patients with ulcerative colitis. I perform both video capsule endoscopy as well as double balloon enteroscopy, and am able to evaluate abnormal small bowel findings as well as small bowel bleeding. I also specialize in the evaluation and management of malnutrition, providing nut...

Ikuo Hirano

Professor of Medicine (Gastroenterology and Hepatology)

Dr. Hirano is Professor of Medicine at Northwestern University Feinberg School of Medicine. He attended college at Yale University, medical school at the University of Pennsylvania and completed his medical residency and GI fellowship at Beth Israel Hospital in Boston. He took a faculty position at the West Roxbury VA Medical Center and Harvard Medical School working in esophageal swallowing physiology before coming to Northwestern in 1998. He is currently serving as Vice-Chair for the American Gastroenterological Association’s Esophageal, Gastric and Duodenal (EGD) section, site principal inv...

Arvydas D Vanagunas

Professor of Medicine (Gastroenterology and Hepatology)

Endoscopic ultrasound, Ulcer disease

Srinadh Komanduri

Professor of Medicine (Gastroenterology and Hepatology) and Surgery (Gastrointestinal)

Dr. Komanduri is an internationally recognized expert in advanced endoscopy and Barrett's esophagus. He serves as the Medical Director for the GI Lab and Director of Interventional Endoscopy. He has published over 100 peer-reviewed manuscripts in Gastroenterology and serves as the course director for one of the largest endoscopy courses in the country, Chicago Live. Dr. Komanduri is co-chair for the American Gastorenterological Association's Center for GI Innovation and Technology and is on the forefront of new innovation in the field. He also works extensively for the American Society of Gast...

Rajesh N Keswani

Associate Professor of Medicine (Gastroenterology and Hepatology)

Rajesh N. Keswani, MD, MS, is a gastroenterologist and nationally-recognized expert in interventional endoscopy who leads efforts to improve healthcare quality. He is the Medical Director of Quality for the Northwestern Medicine Digestive Health Center. Nationally, he informs clinical practice guidelines and endoscopy training standards by serving on committees of the American Society for Gastrointestinal Endoscopy, American Gastroenterological Association, and National Comprehensive Cancer Network. Dr. Keswani earned his undergraduate and medical degrees from Boston University, finished resid...

A Aziz Aadam

Associate Professor of Medicine (Gastroenterology and Hepatology)

Dr. Aadam is an interventional gastroenterologist with specialized expertise in gastrointestinal oncology as well as complex pancreas and biliary disorders. He is part of a mutli-disciplinary team that incorporates the latest research and state of the art technology into a patient centered comprehensive care plan. He is active in clinical research and has been invited to present his work at several national conferences. Dr. Aadam has undergone additional training to perform advanced endosopic procedures such as endoscopic ultrasound (EUS), ERCP, and stent placement within the GI tract. He is c...

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Diversity and Inclusion

The department works toward an environment of inclusion and support through the Diversity and Cultural Affairs Council and through several dedicated events and initiatives.

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Housestaff Research Portal

Physician-Scientist Training & Resources

We offer a wide range of resources, mentorship opportunities and formal training programs to help our residents and fellows excel as physician-scientists. Explore all of the resources and hear from housestaff who are making research a major part of their career development plans.

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We invite your philanthropic partnership in helping us achieve our research and teaching missions each day.

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Contact MaryPat Mauro for more information on supporting the Division of Gastroenterology and Hepatology at 312-503-1090 or marypat.mauro@northwestern.edu