Specialty
Gastroenterology: find gastroenterologists and care information
Gastroenterologists diagnose and treat conditions of the esophagus, stomach, intestines, colon, liver, pancreas, and gallbladder, and perform endoscopic procedures such as colonoscopy and upper endoscopy.
When to see a gastroenterologist
- Ongoing heartburn, abdominal pain, or bloating
- A change in bowel habits, or blood in the stool
- Colon-cancer screening starting at age 45 (earlier with a family history)
- Abnormal liver blood tests, or unexplained weight loss
- Trouble swallowing or persistent nausea
Areas within gastroenterology
Gastroenterologists in our directory
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Conditions gastroenterologists treat
Acid reflux (GERD)
Frequent heartburn or reflux that doesn't settle with over-the-counter antacids.
IBS (irritable bowel syndrome)
Cramping, bloating, and changes in bowel habits without structural disease.
Crohn's disease
Chronic inflammation anywhere along the digestive tract (a form of IBD).
Ulcerative colitis
Inflammation and ulcers in the lining of the colon and rectum (a form of IBD).
Liver disease
Fatty liver, hepatitis, and cirrhosis — often found on routine blood tests.
Celiac disease
An autoimmune reaction to gluten that damages the small intestine.
Chronic constipation
Infrequent or difficult bowel movements persisting over weeks.
Gallbladder disorders
Gallstones, inflammation, and bile-duct blockage.
Pancreatic disease
Acute and chronic pancreatitis, cysts, and pancreatic cancer.
Common procedures & tests
What to expect at a visit
A first visit is a detailed history and exam; the specialist may order labs or imaging, or schedule an endoscopy or colonoscopy as a follow-up under sedation.
Insurance & referrals
Screening colonoscopies are covered as preventive care by most plans at the recommended interval; diagnostic procedures for symptoms are billed to medical insurance.
Frequently asked questions
- When should I start colon-cancer screening?
- At age 45 for average-risk adults, or earlier with a family history, symptoms, or inflammatory bowel disease.
- Is a colonoscopy painful?
- It's done under sedation — most people feel nothing during it and go home the same day. The preparation the day before is the harder part.
- What's the difference between a gastroenterologist and a hepatologist?
- A hepatologist is a gastroenterologist with focused training in liver, gallbladder, and bile-duct disease, including transplant care.
Related specialties
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