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Hepatologist vs. Gastroenterologist: What Are the Differences?

Learn about the two careers and review some of the similarities and differences between them.

There are many different types of doctors out there, each specializing in a different area of the body or a specific disease. Two such specialists are hepatologists and gastroenterologists. Both of these doctors treat diseases of the digestive system, but there are some key differences between the two.

In this article, we will discuss the differences between hepatologists and gastroenterologists, as well as the similarities between the two. We will also provide some helpful tips on choosing the right doctor for you.

What is a Hepatologist?

A hepatologist is a medical doctor who specializes in the diagnosis and treatment of diseases and disorders of the liver. They often work with patients who have chronic liver diseases such as hepatitis or cirrhosis. Hepatologists may also treat patients with liver cancer or those who need a liver transplant. They often work in hospitals or clinics and see patients for consultations, to provide second opinions or to perform liver biopsies. Hepatologists may also conduct research on new treatments for liver diseases and disorders.

What is a Gastroenterologist?

Gastroenterologists are medical doctors who specialize in the diagnosis and treatment of disorders of the digestive system. They often treat conditions such as heartburn, ulcers, Crohn’s disease, celiac disease and irritable bowel syndrome. Gastroenterologists use a variety of diagnostic tools such as endoscopes, CT scans and X-rays to identify problems in the digestive system. They may also recommend lifestyle changes or prescribe medication to treat digestive disorders. In some cases, they may also perform surgery to correct a digestive disorder.

Hepatologist vs. Gastroenterologist

Here are the main differences between a hepatologist and a gastroenterologist.

Job Duties

One of the main differences between a hepatologist and a gastroenterologist is the type of duties they perform. A gastroenterologist performs many of the same duties as an internist, such as conducting physical exams, running lab tests and diagnosing diseases. However, they focus primarily on disorders related to the digestive system, including the esophagus, stomach, small intestine, colon and rectum.

A hepatologist focuses solely on the liver. They perform diagnostic procedures and treatment plans specific to the functions and health of the liver.

Job Requirements

Hepatologists and gastroenterologists must first complete a four-year undergraduate degree in a relevant field, such as pre-medicine or biology. They then attend medical school for four years to earn their Medical Doctor (MD) degree. After medical school, hepatologists and gastroenterologists must participate in a residency program to complete their training, which could take several years. Finally, they must obtain licensure from the state they plan to practice and pass the U.S. Medical Licensing Examination.

Work Environment

Both gastroenterologists and hepatologists work in hospitals, but they may also have private practices. They typically work long hours, including weekends and holidays, to meet the needs of their patients. Both professions require professionals to perform procedures that can be physically demanding.

Hepatologists usually work in laboratories or research facilities. They may travel for conferences or meetings related to their field. Gastroenterologists often work in private practice settings where they see patients on a regular basis.


Both hepatologists and gastroenterologists use medical skills to diagnose and treat patients with liver and digestive disorders. They both order and interpret diagnostic tests, such as blood tests and imaging scans. They also perform physical examinations and take patient histories.

Hepatologists focus specifically on the liver and may have additional training in liver transplantation. Gastroenterologists focus on the entire digestive system, which includes the esophagus, stomach, small intestine, large intestine, rectum and anus. They may also have additional training in endoscopy, which is a procedure used to examine the inside of the digestive tract.

Both hepatologists and gastroenterologists need to have excellent communication skills to interact with patients and their families. They also need to be able to work well with other members of the healthcare team, such as nurses, pharmacists and dietitians.


Hepatologists and gastroenterologists both specialize in the digestive system, but they have different focuses. Hepatologists focus on the liver, while gastroenterologists focus on the stomach and intestines. Hepatologists earn an average salary of $297,999 per year, while gastroenterologists earn an average salary of $310,780 per year.


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