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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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...

Marie-Pier  Tetreault, PhD

Assistant Professor of Medicine (Gastroenterology and Hepatology)

The Tetreault Lab uses novel mouse models and three-dimensional organotypic culture to delineate the reciprocal contributions of the epithelium and the microenvironment to inflammatory diseases of the gastrointestinal tract. Our research program focuses on diseases of the esophagus, which are among the most common ailments in the United States and throughout the world, resulting in significant morbidity, mortality, and health care expenditures. Understanding the molecular mechanisms underlying esophageal disease pathogenesis is crucial and will lead to considerable improvements in the diagn...

Srinadh  Komanduri, MD, MS

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

Barrett's Esophagus; Biliary Tract Disease; ERCP; Endoscopic Mucosal Resection; Endoscopic Surgery; Endoscopic Ultrasound; Gastrointestinal Cancer; Pancreatitis; Radiofrequency Ablation

Ikuo  Hirano, MD

Professor of Medicine (Gastroenterology and Hepatology)

Eosinophilic Esophagitis, Eosinophilic Gastroenteritis, Esophageal motility disorders, Gastroesophageal reflux disease, Swallowing disorders

Lisa B VanWagner, MD, MSc

Assistant Professor of Medicine (Gastroenterology and Hepatology) and Preventive Medicine

I am clinically trained in internal medicine, gastroenterology & hepatology, and transplant hepatology, and have obtained advanced training in both clinical investigation and cardiovascular epidemiology. My overarching goal is to perform risk estimation using "big data" approaches to answer clinically relevant questions surrounding the complex interplay between cardiovascular disease and liver disease. I particularly interested in liver wellness and health, as well as the development of and prevention of nonalcoholic fatty liver disease (NAFLD) and subsequent cardiovascular diseases among th...

Josh  Levitsky, MD

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

Liver transplantation, immunosuppression, biomarkers of rejection and chronic kidney disease in liver recipients, immunological tolerance

A Aziz  Aadam, MD

Assistant 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...

Maria Rosario  Ferreira, MD

Assistant Professor of Medicine (Gastroenterology and Hepatology)

General gastroenterology

Peter  Kahrilas, MD

Professor of Medicine (Gastroenterology and Hepatology)

Esophageal disorders, Gastroesophageal reflux disease, Swallowing disorders

Emanuelle A Bellaguarda, MD

Assistant Professor of Medicine (Gastroenterology and Hepatology)

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

Contact Us

We welcome your questions and comments.

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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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