
Gastroenterology and Hepatology Team
Program leadership
- Lynn F. Butterly, MD (Director, Colorectal Cancer Screening)
- Timothy B. Gardner, MD (Director, Gastroenterology & Hepatology Fellowship Program; Director, Pancreatic Disorders; Medical Director, Islet Cell Transplant Program)
- Stuart R. Gordon, MD (Director, Gastrointestinal Endoscopy)
- Richard I. Rothstein, MD (Chair, Department of Medicine)
- Corey A. Siegel, MD, MS (Section Chief, Gastroenterology and Hepatology; [Interim] Section Chief, Medical Infusion)
- Arifa Toor, MD (Director, Hepatology Center)
Gastroenterology and Hepatology providers
Steven P. Bensen, MD
Gastroenterology and Hepatology
Areas of Focus
- Biliary tract disease
- Capsule endoscopy
- Colonoscopy
- Crohn's Disease
- And 10 more areas of focus
Locations
Lynn F. Butterly, MD
Gastroenterology and Hepatology
Areas of Focus
- Colonoscopy registry
- Colorectal cancer screening and prevention
- Familial risk for colon cancer
- Risk assessment for colorectal cancer
- And 1 more areas of focus
Locations
Audrey H. Calderwood, MD, MS
Gastroenterology and Hepatology
My approach is to provide personalized care for each of my patients based on their individual needs, experiences, and preferences. This means taking the time to understand patients' overal…
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Areas of Focus
- Colon cancer prevention, screening, and surveillance
- Familial colon cancer
- Health services research
- General gastroenterology
- And 1 more areas of focus
Locations
Eugenia E. Chen, PA-C
Gastroenterology and Hepatology
Areas of Focus
- General gastroenterology
Locations
Michael A. Curley, MD, FRCPC
Gastroenterology and Hepatology
Listening to my patients is an important part of their visit with me. I appreciate the impact of gastrointestinal disorders on my patients' lives. My goal is to work with my patients and t…
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Areas of Focus
- Gastrointestinal motility disorders
- Esophageal disorders
- Reflux disorders (esophageal and extra-esophageal)
- Eosinophilic esophagitis (EoE)
Locations
Connie M.C. Dragnev, MSN, APRN
Gastroenterology and Hepatology
Areas of Focus
- Inflammatory bowel disease
Locations
Daniel M. Gallant, MPAS, PA-C
Gastroenterology and Hepatology
Areas of Focus
- Hepatitis C
- Nonalcoholic steatohepatitis (NASH)
- FibroScan
Locations
Robyn M. Galvin, MSN, APRN
Gastroenterology and Hepatology
I enjoy getting to know my patients, learning about their needs, promoting preventative measures, then working closely together through all stages of their lives.
Areas of Focus
- Women's health
- Gastrointestinal (GI) health
Locations
Timothy B. Gardner, MD
Gastroenterology and Hepatology
My philosophy is to be transparent and kind, to always offer a path to improving health. This applies while performing treatments or simply listening. Many of my patients face very challen…
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Areas of Focus
- Endoscopic retrograde cholangiopancreatography (ERCP)
- Endoscopic ultrasound
- Liver disease
- Malabsorptive disease
- And 1 more areas of focus
Locations
Stuart R. Gordon, MD
Gastroenterology and Hepatology
Areas of Focus
- Endoscopic ultrasonography
- Gallstone disease
- Liver disease
- Pancreatic disease
- And 3 more areas of focus
Locations
Rachel A. Jeffers, MSN, APRN
Gastroenterology and Hepatology
I believe in treating all patients with respect and compassion. I am passionate about providing high quality care for people with liver disease, and preventing complications. The liver is …
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Areas of Focus
- Viral hepatitis
- Fatty liver
- Nonalcoholic steatohepatitis (NASH)
- FibroScan
Locations
Arathi Rajendra Komarla, MD
Gastroenterology and Hepatology
Areas of Focus
- Hepatology
- Women's health
Locations
L. Campbell Levy, MD
Gastroenterology and Hepatology
Areas of Focus
- Colonoscopy
- Crohn's disease
- Inflammatory bowel disease
- Ulcerative colitis
- And 2 more areas of focus
Locations
Trinh B. Meyer, MD
Gastroenterology and Hepatology
Areas of Focus
- General gastroenterology
- Hepatitis (viral hepatitis)
Locations
Srikrishna Nagri, MD
Gastroenterology and Hepatology
Areas of Focus
- Colorectal cancer
- Inflammatory bowel disease
Locations
Jason M. Obey, MHS, PA-C
Gastroenterology and Hepatology
When I decided I wanted to become a physician assistant, I knew I wanted a challenging career that would encourage continued self-growth.
My goal is to be calm, open and responsive to my…
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Locations
Scott Oosterveen, MD
Gastroenterology and Hepatology
My goal is to deliver patients the best care possible with respect and compassion, just as I would want to be treated.
Areas of Focus
- Endoscopic retrograde cholangiopancreatography (ERCP)
- Endoscopic ultrasound
- Pancreatic disease and general gastroenterology
Locations
Siddhartha Parker, MD
Gastroenterology and Hepatology
My approach to patient care is to provide high quality care to all patients in a warm and compassionate environment. We develop an individualized care plan focused on diagnosis, treatment,…
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Areas of Focus
- Colonoscopy
- Crohn's disease
- Inflammatory bowel disease
- Ulcerative colitis
- And 6 more areas of focus
Locations
Heiko Pohl, MD, MPH
Gastroenterology and Hepatology
My goal is to listen and offer care in the same way as I would want to treat a family member.
Areas of Focus
- Esophageal cancer
- Barrett's esophagus
Locations
Douglas J. Robertson, MD, MPH
Gastroenterology and Hepatology
Areas of Focus
- Digestive disorders
- Colon cancer prevention
Locations
Richard I. Rothstein, MD
Gastroenterology and Hepatology
Areas of Focus
- Barrett's esophagus
- Dysphagia
- Endoscopic surgery for gastroesophageal reflux disease (GERD) and obesity
- Esophageal disorders
- And 2 more areas of focus
Locations
Jessica K. Salwen-Deremer, PhD
Psychiatry
As a psychologist, I strive to help each patient feel listened to and taken seriously. I hope that together we can figure out what factors may be driving unhappiness or pain, and address t…
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Areas of Focus
- Behavioral medicine
- Psychogastroenterology
- Depressive disorders
- Insomnia
- And 1 more areas of focus
Locations
Eric D. Shah, MD, MBA
Gastroenterology and Hepatology
I like to listen to each patient's needs and values. Together, we can develop a shared strategy to improve health that takes advantage of the resources available from an expert, multidisci…
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Locations
Lawton H. Shick, MD
Gastroenterology and Hepatology
Areas of Focus
- Hepatitis C
- Hepatitis B
- Liver tumors/lesion
- Cirrhosis
- And 3 more areas of focus
Locations
Corey A. Siegel, MD, MS
Gastroenterology and Hepatology
Every person is different. We personalize our care for people with Crohn's disease and ulcerative colitis. We need to get ahead of these diseases and prevent problems before they develop. …
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Areas of Focus
- Clinical trials for inflammatory bowel disease, colonoscopy, Crohn's Disease, inflammatory bowel disease, ulcerative colitis, upper endoscopy
Locations
Emily E. Sieglinger, MSN, APRN
Gastroenterology and Hepatology
Areas of Focus
- Breath tests
- Constipation
- Diarrhea
- Dyspepsia
- And 6 more areas of focus
Locations
Arifa Toor, MD
Gastroenterology and Hepatology
I see diagnosing and managing liver disease as an opportunity to prevent serious illness in the future. Most liver conditions initially have no symptoms, but can be treated and potentially…
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Areas of Focus
- Liver disease
- Nonalcoholic steatohepatitis (NASH)
- End stage liver disease
- Autoimmune hepatitis
Locations
Lauren K. Tormey, MD
Gastroenterology and Hepatology
When problems happen with our gastrointestinal systems, our lives can be affected in so many different ways. My goal is to understand where you are coming from, and help you be in the best…
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Areas of Focus
- Ulcerative colitis
- Crohn's disease
- Irritable bowel syndrome
- Microscopic colitis
- And 7 more areas of focus
Locations
Additional team members
Catherine Giguere-Rich, RD, LD, CNSC
Adult Gastroenterology
Gastroenterology and Hepatology Fellows
- Manisha Apte, MD
- Elliot Coburn, MD
- Nicholas Hannon, MD
- Suzannah Luft, MD
- Christopher Navas, MD
- Joan Chandra, MD