Best gastroenterologists: TOP 240 doctors

• Expert in Gastroenterology, specializing in Achalasia, ESD, ERCP, and Gastroparesis.
• International practice includes medical activities in multiple countries.
• Bestowed with Best Verbal Presentation Award at Gastrointestinal Cancers Congress.
• Recognized expertise in Gastroenterology with high success in advanced endoscopic procedures.
• Certified in Internal Medicine; a testament to broad medical proficiency.
• Professional memberships enhance knowledge in Gastroenterology treatments.
• Offers online consultations for Gastroenterology, facilitating access for patients.

Gastroenterologist

Prof. Dr. Engin Tutar was born in Istanbul in 1964. He completed his primary and secondary education at Istanbul Erkek Lisesi between 1975 and 1982, and graduated from Istanbul University Istanbul Faculty of Medicine in 1988. In December of the same year, he started his specialization in the Department of Pediatrics at Dr. Lütfi Kırdar Kartal Training and Research Hospital, becoming a specialist in Pediatrics in February 1993. He completed his subspecialty training in Pediatric Gastroenterology, Hepatology, and Nutrition at Marmara University Faculty of Medicine, becoming a subspecialist in 2006. He served as the Assistant Chief Physician and Acting Chief Physician at the 2nd Pediatric Clinic of Dr. Lütfi Kırdar Kartal Training and Research Hospital between 2010 and 2012. In May 2012, he transferred to Marmara University Faculty of Medicine, where he became an Associate Professor in Pediatric Gastroenterology, Hepatology, and Nutrition in 2014, and a Professor in 2020. Alongside his international and national article authorships, he has given over 50 presentations at congresses/courses/association meetings. He retired in May 2024 while serving as the head of the Pediatric Gastroenterology, Hepatology, and Nutrition department at Marmara University Faculty of Medicine. As of June 2024, he is accepting patients at Hisar Hospital Intercontinental.

MEDICAL INTERESTS

• Healthy child monitoring
• Growth and nutritional disorders
• Approach to patients with abdominal pain
• Gastroesophageal reflux
• Chronic diarrhea and chronic constipation
• Celiac disease
• Inflammatory bowel disease
• H. pylori infection-related and unrelated gastritis and ulcers, patients with gastric bleeding
• Liver, gallbladder, and pancreas diseases
• Acute and chronic gastrointestinal infections
• Diagnostic upper and lower gastrointestinal endoscopy
• Therapeutic upper and lower gastrointestinal endoscopy (esophageal variceal bleeding, gastric and small bowel ulcer bleeding, polypectomy)
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2016 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Gastroenterology Specialist

2012 - 2016, Istanbul/Istanbul/Türkiye

BEZMIALEM FOUNDATION UNIVERSITY

Gastroenterology Specialist, Lecturer

2010 - 2012, Diyarbakir/Diyarbakir/Türkiye

DIYARBAKIR TRAINING AND RESEARCH HOSPITAL

Gastroenterology Specialist

2009 - 2010, Istanbul/Istanbul/Türkiye

HASEKİ TRAINING AND RESEARCH HOSPITAL

Gastroenterology Specialist

1996 - 2006, Istanbul/Istanbul/Türkiye

HASEKİ TRAINING AND RESEARCH HOSPITAL

Internal Medicine Specialist

EXPERIENCE

2018 - Present, Istanbul, Turkey

MEMORIAL ATAŞEHİR HOSPITAL

Gastroenterology Specialist

2017 - 2018, Istanbul, Turkey

ULUS LIV HOSPITAL

Gastroenterology Specialist

2013 - 2016, Istanbul, Turkey

MEDICAL PARK BAHÇELİEVLER HOSPITAL

Gastroenterology Specialist

2011 - 2013, Nevşehir, Turkey

NEVŞEHİR STATE HOSPITAL

Mandatory Service

EDUCATION

2008 - 2011, Izmir, Turkey

DOKUZ EYLÜL UNIVERSITY

Gastroenterology Residency Training

2002 - 2007, Istanbul, Turkey

ISTANBUL FACULTY OF MEDICINE

Internal Medicine Residency Training

1994 - 2001, Istanbul, Turkey

MARMARA UNIVERSITY FACULTY OF MEDICINE

Medical Degree

SCIENTIFIC PUBLICATIONS

Numerous national and international articles and publications

PROFESSIONAL MEMBERSHIPS

• Turkish Gastroenterology Association

• Turkish Endoscopy Association

• Turkish Liver Research Association

• Internal Medicine Association

PARTICIPATION IN PROFESSIONAL TRAININGS, COURSES, AND CONFERENCES

Extensive participation in various professional training programs, courses, and congresses

2022 - Present, Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Professor of Gastroenterology

2021 - 2022, Istanbul/Türkiye

MEDICANA ATAŞEHİR INTERNATIONAL HOSPITAL

Professor of Gastroenterology

2019 - 2020, /USA

CLEVELAND CLINIC FLORIDA, UNITED STATES, DEPARTMENT OF ADVANCED ENDOSCOPIC APPLICATIONS

Invited Lecturer

2018 - 2021, Istanbul/Türkiye

ISTANBUL CIVILIZATION UNIVERSITY GASTROENTEROLOGY DEPARTMENT

Professor of Gastroenterology

2016 - 2019, Ankara/Türkiye

PRESIDENTIAL HEALTH COORDINATORATE

2016 - 2016, Istanbul/Türkiye

BEZMIALEM FOUNDATION GUREBA HOSPITAL, GASTROENTEROLOGY DEPARTMENT

2015 - 2016, /USA

CLEVELAND CLINIC FLORIDA, UNITED STATES, DEPARTMENT OF ADVANCED ENDOSCOPIC APPLICATIONS

2014 - 2014, Istanbul/Türkiye

SISLI FLORANCE NIGHTINGALE LIVER TRANSPLANTATION UNIT

2013 - 2018, Istanbul/Türkiye

ISTANBUL CIVILIZATION UNIVERSITY GASTROENTEROLOGY DEPARTMENT

Associate Professor of Gastroenterology

Assoc. Prof. Dr. Ugur Korkmaz is a specialist in Gastroenterology. He focuses on diseases of the esophagus, stomach, liver, colon, pancreas, gallbladder, and bile ducts. He has published many articles in national and international journals. His work shows a strong dedication to improving gastroenterological care.

Dr. Korkmaz uses advanced treatments such as gastric botox, endoclipping for gastrointestinal bleeding, polypectomy, and endoscopic mucosal resection. He is known for his academic success and holds accreditations from leading Turkish medical institutions. He contributes to both clinical practice and research in his field.

• Expert in Gastroenterology, focusing on digestive system disorders.
• Trained internationally, including the renowned Hospital Clínic de Barcelona.
• Manages complex gastroenterological conditions with high proficiency.
• Renowned for his contributions to nephrology and internal medicine.
• Board-certified in Medicine and Surgery, with a specialization in nephrology.
• Member of prestigious medical societies like the Spanish Society of Nephrology.
• Provides online consultations for gastroenterological concerns.

Regular member of the Korean Society of Radiology

Founding member of the Korean Society of Interventional Neurology

Founding member of the Korean Stroke Society

Regular member of the American Stroke Association

Regular member of the World Stroke Society

Regular member of the World Society of Cerebrovascular Surgery

Regular member of the European Society of Cerebrovascular Surgery

Regular member of the Intervention Society

24 pieces of overseas and domestic thesis presentation (SCI)

50 times of overseas and domestic conference lectures

I’m Dr. Enrique Pliego Esquivel, a surgeon specializing in bariatric and metabolic surgery with over 8 years of experience transforming lives through advanced surgical solutions. I am proud to be one of the few bariatric surgeons in Mexico who is a member of the American Society for Metabolic and Bariatric Surgery (ASMBS). I am also certified by the Mexican Board of Obesity Surgery and the Mexican College of General Surgery.

My primary focus is providing comprehensive care to patients dealing with obesity, obesity-related conditions such as diabetes and hypertension, as well as managing complications from bariatric surgery. I also treat gastroesophageal reflux and reflux-related esophagitis, offering tailored solutions that significantly enhance my patients' quality of life.

Patients often highlight my professionalism, empathy, and dedication to understanding their unique needs. I take the time to listen and fully grasp their goals because I believe every case deserves a personalized approach and a clear path toward success.

My priority isn’t to see the most patients—it’s to deliver exceptional care and outstanding results for each individual. I am deeply committed to quality, staying accessible, and maintaining close communication with my patients throughout their journey.

If you’re looking for expertise, compassion, and results you can trust, I’m here to help you take the first step toward a healthier, happier life.

Dr. Camel Kopty is a specialist in internal medicine, gastroenterology, endoscopy, and hepatology. He focuses on liver and pancreatic diseases, as well as bile duct disorders. He has performed more than 28,000 diagnostic and therapeutic endoscopic procedures. Dr. Kopty has strong experience in gastroscopy and colonoscopy.

He has received several awards and quality certificates in clinical endoscopy. His research in hepatology, including hepatitis B and C, has gained international recognition. Dr. Kopty has published many articles and received FDA research awards for his work.

2021 - Present, Istanbul/Türkiye

MEMORIAL BAHCELIEVLER HOSPITAL

INTERNAL DISEASES AND GASTROENTROLOGY SPECIALIST

2014 - 2021, Gaziantep/Türkiye

GAZİANTEP UNIVERSITY FACULTY OF MEDICINE INTERNAL DISEASES DEPARTMENT/GASTROENTEROLOGY DEPARTMENT LECTURER

2012 - 2014, Gaziantep/Türkiye

GAZİANTEP ŞEHİT KAMİL STATE HOSPITAL GASTROENTEROLOGY DEPARTMENT (COMPULSORY SERVICE)

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EDUCATION

2022

Associate Professor

2017 - 2020, Istanbul/Turkey

University of London, School of Hygiene and Tropical Medicine

Master’s Program in Clinical Trials

2013, Istanbul/Turkey

AMERICAN HOSPITAL, IVF UNIT

Ministry of Health Subspecialty Training in Reproductive Medicine

2005 - 2010, Istanbul/Turkey

İSTANBUL GÖZTEPE TRAINING AND RESEARCH HOSPITAL

Residency in Obstetrics and Gynecology

1998 - 2004, Istanbul/Turkey

İSTANBUL UNIVERSITY, CERRAHPAŞA FACULTY OF MEDICINE

Medical Doctor (M.D.) Education                                                                      

Dr. Harald Rosen is a leading abdominal surgeon. He specializes in endocrine, gastrointestinal, liver, colon, and bariatric surgeries. His expertise includes complex procedures such as sleeve gastrectomy and gastric anastomosis. Dr. Rosen is known for his research on improving the quality of life for rectal cancer patients after surgery. He also has a strong academic background in surgical oncology, with a focus on gastroenterology and breast cancer.

Dr. Rosen is President of the European Society of Surgery. He is also a Professor of Surgery at Vienna Medical School. He is accredited by the European Council for Surgical Qualifications and the Austrian Medical Council. Dr. Rosen has performed over 5,000 advanced surgeries with excellent results. He has published widely and is often invited as a visiting professor around the world.

1.Bachelor’s degree
- Doctor of medicine, Rangsit university.

2.Master’s degree

>Medical and health science degree
- Professional master’s degree in clinical nutrition in medicine.
- Professional master’s degree in integrative medicine.

>Management degree
- Professional master’s degree in hospital and health services management.

3.Doctorate degree
- Doctorate in psychology (candidate).

4.Diploma
- American Bord of nutritional wellness.
- American naturopathic certification board.

- Certified integrative oncology physician, American institute of integrative oncology.

- Certified fertility wellness physician.

- Certified CBT-I physician.

- Advanced nutritional wellness, IFNW.

-Biochemical and clinical analysis diploma.

- Functional gastroenterology and pediatric food allergies diploma.

- IV nutrition diploma, IFNW.

-Medicinal herbology diploma, IFNW.

• Specialized in endoscopic examinations, gastrointestinal tract diseases.
• International practice in Germany and academia abroad.
• Notable for extensive experience with 9,000+ surgeries.
• Recognized leader in the gastroenterology department.
• Board-certified in internal medicine and gastroenterology.
• Member of German and European Gastroenterology Societies.
• Offers online consultations for gastroenterological concerns.

Prof. Nadir Arber is a top gastroenterologist from Israel with over 30 years of experience in the field. He is specialized in the prevention, early diagnostics, and treatment of GI cancers, with education from Hebrew University, Tel Aviv University, and NewYork-Presbyterian Center. He has written over 300 papers on his research and is a member of numerous organizations in the field.