Health Services



We use advanced diagnostic and treatment techniques to study, diagnose, and treat gastrointestinal (GI) disorders and conditions. Gastrointestinal organs include the esophagus, stomach, small bowel, colon, and gall bladder. If you are experiencing symptoms such as abdominal pain, rectal bleeding, change in bowel habits, or heartburn; please ask your Primary Care Manager for a referral to the Gastroenterology/Hepatology clinic. Once a referral is placed, you may contact the Integrated Referral Management and Appointing Center at 1.855.227.6331 to schedule an appointment.


Our Liver Center is dedicated to identifying, diagnosing, and treating liver diseases. We offer state-of-the-art therapy for conditions including viral hepatitis, metabolic liver diseases and autoimmune liver diseases. Procedures offered include liver biopsy, paracentesis, as well as upper endoscopy and colonoscopy. The Center contributes to medical education, training fellows, residents and medical students while remaining an active research unit. We're a world-wide referral center supporting the Walter Reed National Military Medical Center Transplant Service and providing both pre and post liver transplant management for DOD beneficiaries.

Barrett's Esophagus

Barrett's esophagus is a gastrointestinal disorder in which the lining of the esophagus (the tube that carries food from the throat to the stomach) is damaged by stomach acid that leaks backward. 

Colon Cancer 

Colon cancer is a disease in which malignant (cancer) cells form in the tissues of the colon. 

Crohn's Disease 

Crohn's disease is a form of inflammatory bowel disease (IBD), which involves ongoing (chronic) inflammation of the gastrointestinal tract. Crohn's-related inflammation usually affects the intestines, but may occur anywhere from the mouth to the end of the rectum (anus).

Diverticulitis and Diverticulosis

Diverticulitis is swelling (inflammation) of an abnormal pouch (diverticulum) in the intestinal wall. These pouches are usually found in the large intestine (colon). Diverticulosis is the presence of the pouches themselves.

Gastroesophageal Reflux Disease (GERD) 

Gastroesophageal reflux disease (GERD) is a condition in which food or liquid travels backwards from the stomach to the esophagus (the tube from the mouth to the stomach). This action can irritate the esophagus, causing heartburn and other symptoms.


Gastritis is an inflammation (irritation and swelling) of the lining of the stomach.

Irritable Bowel Disease (IBD) 

A disorder of the lower intestinal tract involving abdominal pain and abnormal bowel movements. Emotional stress often makes the symptoms worse.

Are you age 45 or above?

Beginning at age 45, you should follow one of the screening options below. 

Option 1: Yearly
  • Fecal occult blood test; all positive tests should be followed by a colonoscopy every 5 years
Option 2: Every 5 Years
  • Flexible sigmoidoscopy
  • Sigmoidoscopy
  • Double-contrast barium enema
Option 3: Every 5-10 Years
  • Colonoscopy
IMPORTANT: You should begin screening earlier than age 45 or screen more often if you have any of the following colon cancer risk factors:
  • Strong family history of colorectal cancer or polyps, meaning a parent, sibling or child who developed cancer or polyps younger than age 60
  • Families with hereditary colorectal cancer syndromes
  • Personal history of colorectal cancer or polyps
  • Personal history of chronic inflammatory bowel disease
For more information about Colon Cancer, visit MedlinePlus.

Contact Us


Front Desk & Scheduling:
(301) 295-4600 
Fax: (301) 319-8728


Monday - Friday 0800 - 1600


Building: 9 Floor: 1
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