Northwestern University Feinberg School of Medicine
Department of Medicine

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.

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Darren M Brenner, MD

Associate Professor of Medicine (Gastroenterology and Hepatology) and Surgery

Gastrointestinal motility disorders and pelvic floor disorders including but not limited to Constipation/Fecal Incontinence/Irritable Bowel Syndrome/Dyspepsia/Gastroparesis/Opioid related bowel dysfunction as well as complications of systemic motility disorders with an emphasis on Scleroderma.

Rajesh N Keswani, MD, MS

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 resi...

Steven L Flamm, MD

Professor of Medicine (Gastroenterology and Hepatology) and Surgery

Hepatic disease, Hepatitis B and C, Viral infections

Maria Rosario  Ferreira, MD

Assistant Professor of Medicine (Gastroenterology and Hepatology)

Internal Medicine residency and Gastroenterology fellowship at Northwestern

Arvydas D Vanagunas, MD

Professor of Medicine (Gastroenterology and Hepatology)

Endoscopic ultrasound, Ulcer disease

Ikuo  Hirano, MD

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 in...

Richard  Green, MD

Professor of Medicine (Gastroenterology and Hepatology)

Hepatology (liver)

Laura H Yun, MD

Assistant Professor of Medicine (Gastroenterology and Hepatology)

Inflammatory bowel disease, Crohn's disease and Ulcerative colitis Women's Health issues in Gastroenterology

Greg S Cohen, MD

Clinical Assistant 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 cer...

Daniel R Ganger, MD

Professor of Medicine (Gastroenterology and Hepatology) and Surgery (Organ Transplantation)

Received Medical Degree a the University of Buenos Aires. Internal Medicine training at St Louis University Missouri and Gastroenterology /Hepatology at Northwestern University. Academic Title: Professor of Medicine and Surgery Feinberg School of Medicine.

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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

Graduate Research Resources

We offer a wide range of resources, mentorship opportunities and training 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.

Visit the Housestaff Research Portal

Giving

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

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