10 Best Gastroenterologist in the World- Updated 2025

A gastroenterologist is a doctor who specializes in diagnosing and treating problems related to the digestive system, especially issues with the stomach and intestines. These doctors help people dealing with conditions like eating disorders, inflammatory bowel disease (IBD) such as Crohn’s disease, digestive tract cancers, gallbladder problems, and other issues that affect gut health.

Digestive disorders are quite common. In fact, about 4 out of 10 adults around the world suffer from a functional gastrointestinal disorder, which includes conditions that affect the way the digestive system works. A study involving more than 73,000 people across 33 countries confirmed how widespread these issues are.

Key Points:

• Gastroenterologists focus on the digestive system, especially the stomach and intestines.
• They treat conditions like eating disorders, Crohn’s disease, digestive cancers, and gallbladder problems.
• Digestive disorders are common, with 4 out of 10 adults affected globally.
• A major study confirmed the widespread nature of these health issues.
• There are some world-renowned gastroenterologists who are experts in their field.

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Key Factors to Consider When Choosing the Best Gastroenterologist in the World

Finding the right gastroenterologist is important for your health. Here are some simple factors to keep in mind:

1. Experience and Expertise

• Look for a doctor with experience treating your specific condition.
• Check their qualifications and years of practice.

2. Specialization

• Some gastroenterologists focus on specific areas like IBD, cancer, or liver diseases.

3. Reputation and Reviews

• Read patient reviews and ask for recommendations.
• A doctor with a good reputation often has a history of successful treatments.

4. Communication

• Choose a doctor who listens to you and explains things clearly.

5. Location and Accessibility

• Consider their clinic’s location and whether it’s easy for you to visit.

6. Research and Innovations

• Leading specialists are often involved in research or use the latest treatments.

By keeping these factors in mind, you can find the best gastroenterologist to meet your needs.

Top 10 Best Gastroenterologist in the World 2025 (Note: Based on Experience)

Top Gastroenterology Experts Around the Globe

1. Dr. Yılmaz Çakaloğlu – Turkey

Dr. Yılmaz Çakaloğlu is a Turkish gastroenterologist and hepatologist, specializing in liver diseases. He serves as the Head of Gastroenterology and Hepatology at Memorial Şişli Hospital in Istanbul.

Specialization: Liver Diseases, Transplants
Notable Achievements:

• Published nearly 250 scientific papers.
• Member of the European Association for the Study of the Liver.
• Renowned for his research on liver disease treatments.

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2. Dr. Kenneth Brown – USA

A specialist in hemorrhoids, constipation, reflux, and abdominal pain, Dr. Brown co-founded Atrantil and was named the best gastroenterologist in Collin County, Texas, multiple years.

Specialization: Hemorrhoids, constipation, reflux, bloating, and abdominal pain.

Achievements:

• Co-founder of the gastrointestinal health aid Atrantil.
• Named the best gastroenterologist in Collin County, Texas, by D Magazine for three consecutive years.
• Received the Patient Choice Award (2012–2017).

3. Dr. Simon Gabe – UK

Specializing in colitis and IBD, Dr. Gabe co-founded the National Adult Small Intestinal Transplant Forum and was awarded Parenteral Nutritionist of the Year. He chairs the Lennard Jones Unit.

Specialization: Colitis, malnutrition, intestinal failure, and inflammatory bowel disease (IBD).

Achievements:

• Co-founder of the National Adult Small Intestinal Transplant Forum.
• Awarded Parenteral Nutritionist of the Year (2011).
• Chair of the Lennard Jones Intestinal Rehabilitation Unit.

4. Dr. Mayur Kumar – UK

A specialist in endoscopy, pancreatic cancer, and liver diseases, Dr. Kumar has received the Clinical Excellence Award at Kings College Hospital and is a member of key gastrointestinal societies.

Specialization: Endoscopy, pancreatic cancer, acid reflux, bowel cancer, and liver diseases.

Achievements:

• Received Clinical Excellence Award at Kings College Hospital NHS Trust.
• Member of the European Society of Gastrointestinal Endoscopy.
• Specializes in endoscopy, pancreatic cancer, acid reflux, and bowel cancer.
• Known for advancements in diagnosing and treating gastrointestinal conditions.

5. Dr. Marc Magod – USA

With 36 years of experience, Dr. Magod focuses on chronic pancreatitis, gastric cancer, and liver diseases. He’s board-certified and licensed in North Carolina with The Moses H. Cone Memorial Hospital in Greensboro, NC

Specialization: Chronic pancreatitis, gastric cancer, liver diseases, peptic ulcers, and gastritis.

Achievements:

• Board-certified by the American Board of Internal Medicine.
• Licensed to practice in North Carolina.
• Extensive experience in managing complex gastrointestinal disorders.
• Active in clinical research and patient care.

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6. Prof. Zulfikar Polat – Turkey

With expertise in hepatitis treatment, colonoscopy, and endoscopy, Prof. Polat is renowned for his innovative approaches to managing chronic hepatitis B and C, focusing on antiviral therapies to halt viral replication and prevent liver damage.

Specialization: Hepatitis treatment, colonoscopy, and endoscopy.

Achievements:

• Known for innovative treatments in hepatitis and liver diseases.
• Specializes in colonoscopy and endoscopy.
• Member of the Turkish Gastroenterology Association and World Endoscopy Organization.
• Recognized for groundbreaking research in liver disease and treatments.

7. Dr. Raj Vigna Venugopal - India

A pioneer in chronic liver diseases and pancreas transplantation, Dr. Venugopal established the first endosonography unit in Bangalore and has over 27 years of experience in medical gastroenterology.

Specialization: Chronic liver diseases, GI surgery, and pancreas transplantation.

Achievements:

• First to set up an endosonography unit in Bangalore.
• Specializes in chronic liver diseases, GI surgery, and pancreas transplantation.
• Over 27 years of experience in gastroenterology.
• Known for advancements in liver disease diagnosis and treatment.

8. Dr. Arvind Khurana - India

Dr. Khurana, with 34 years of experience, specializes in liver diseases and colitis. He won the Best Video Presentation Award and is a Fellow of the Royal College of Physicians.

• Specialization: Gastritis, liver diseases, colitis, and abdominal pain.
• Achievements:
• Won Best Video Presentation Award at the International Endoscopy Workshop (2008).
• Fellow of the Royal College of Physicians (FRCP).
• Specializes in gastritis, liver diseases, and colitis.
• Highly regarded in the field of gastrointestinal endoscopy.

9. Dr. Sachin Wani - India

Dr. Sachin Wani is a renowned gastroenterologist and gastrointestinal surgeon with expertise in advanced laparoscopic GI and HPB surgeries. He has over 20 years of experience and practices at Heal Well Speciality Clinic in Thane, India.

Specialization:

• Advanced laparoscopic gastrointestinal (GI) surgery

Achievements:

• Over 20 years of experience in gastroenterology and GI surgery
• DNB in Gastroenterology & HPB Surgery from Fortis Mulund Hospital
• Recognized for expertise in minimally invasive GI procedures
• Practicing at Heal Well Speciality Clinic, Thane

10. Dr. Viswanath Reddy Donapati – India

A renowned expert in advanced liver treatments and endoscopic procedures, Dr. Donapati improves patient outcomes with specialized care. He is a consultant gastroenterologist dedicated to innovative treatments.
Specialization: Advanced liver treatments and innovative endoscopic procedures.
Notable Achievements:

• Recognized for expertise in liver treatments.
• Dedicated to improving patient outcomes.
• Expertise in advanced endoscopic procedures.
• Consultant Gastroenterologist with extensive experience.

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This list highlights some of the best gastroenterologists worldwide who are known for their expertise and contributions to the field. Whether you're looking for advanced treatment or specialized care, these professionals are among the finest in their respective regions.

Conclusion: 

Finding the right gastroenterologist is important for your health. The doctors listed here are some of the best in the world, with years of experience and great achievements. They specialize in different areas and use the latest treatments to help their patients. No matter where you live, choosing a good specialist can make a big difference in improving your digestive health and overall well-being.

Reference Link: 

• https://www.indicure.com/best-gastroenterologist-india
• https://www.credihealth.com/doctors/india/gastroenterology
• https://drwillcole.com/podcast/dr-marvin-singh-geeking-on-gut-health-with-the-worlds-leading-gastroenterologist
• https://www.lyfboat.com/doctors/best-gastroenterology-doctors/