Why Choose Our Gastroenterology Department

GI Team

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To schedule an appointment with a gastroenterology specialist, please call our scheduling line.

Phone: 202-444-8541


Gastroenterology at MedStar Georgetown

“At MedStar Georgetown’s Department of Gastroenterology, we believe in treating people—not just their disease,” says Dr.  Nadim Haddad, Regional Director/Chief of the Department of Gastroenterology. “We’re committed to providing the best possible care to each and every patient who walks through our doors.”

If you are suffering from a condition of the digestive tract, you don’t need to struggle alone. Our knowledgeable team is here to help. From diagnosis to treatment, you’ll find expert guidance and an empathetic approach.

Nationally-Renowned Expertise

The Department of Gastroenterology performs approximately 16,000 procedures each year. Due to this notable level of expertise, the department has been recognized as one of MedStar Georgetown’s Centers of Excellence.

We have a variety of renowned specialty programs, including:

MedStar Georgetown is one of just 30 American hospitals to be honored by the National Pancreas Foundation (NFP) as an approved NFP Center  a mark of distinction that reflects the talent of our clinicians and the breadth of our services.

Comprehensive, Patient-Centered Care

Each patient at the Department of Gastroenterology receives compassionate, individualized care. Your clinician will listen to your concerns, answer all of your questions, consider your overall medical picture, and work with you to find the treatment plan that’s right for your unique medical needs.  

Our gastroenterologists work in close partnership with a range of other specialists, including experts in radiology, pathology, and oncology. The wide range of clinical services available at MedStar Georgetown allows for a seamless patient experience.  

Advanced Techniques and Equipment

MedStar Georgetown’s Department of Gastroenterology offers the latest in imaging procedures, radiological interventions, and minimally invasive surgical techniques.

Cutting-edge treatment options available at MedStar Georgetown include Cholangioscopy, Interventional Endoscopic Ultrasound, Pancreatic Pseudocyst Drainage, Fiducial Placement, Chromoendoscopy, and Ablation for Barrett's esophagus.

The Department of Gastroenterology is also proud to offer wireless capsule technology. This technique allows clinicians to improve patient comfort and diagnostic accuracy through the use of a vitamin-sized capsule containing a camera, light, batteries and transmitter.


Our team is heavily involved in research efforts. Working in partnership with Georgetown’s Lombardi Comprehensive Cancer Center and The Otto J. Ruesch Center for the Cure of Gastrointestinal Cancers, the Department of Gastroenterology offers our patients access to clinical trials that may benefit their care.

Ongoing areas of research inquiry include pancreatic cancer, gastrointestinal malignancy, biliary-pancreatic diseases, esophageal conditions, acid-peptic disease, hepatic diseases, Inflammatory Bowel Disease, and new uses of Endoscopic Ultrasound.

Research initiatives provide patients with the opportunity to benefit from innovative techniques and technology.

Meet Dr. Mattar