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Medical Specialties
Oncology
Doctors
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Assoc. Prof. Bulent Baran

Assoc. Prof. Bulent Baran

Gastroenterologist-hepatologist, advanced endoscopist
5
4 reviews
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Istanbul, Turkey
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Clinical experience: over 20 years
Languages: EnglishTürkçe
Reviews about Assoc. Prof. Bulent Baran
Isa Arslan
Verified review
Isa Arslan
high-risk pregnancy
On May 27, 2018, my wife was admitted to the Department of Obstetrics and Gynecology. On June 5, thanks to a very successful operation, our daughter was born.
I would like to express my deepest gratitude to Assoc. Prof. Ebru Celik, Assoc. Prof. Bulent Baran and Prof. Oguzhan Deyneli for their support and professionalism throughout the entire period. I also thank the whole staff of the department — the nurses, security and cleaning personnel.

15/07/2021
Aylin Demir
Verified review
Aylin Demir
liver disease
We consulted Dr. Bulent Baran regarding a liver disease. He explained the condition in great detail, calmly answered all our questions and helped us choose the right treatment approach. Throughout the entire process we felt supported and confident. We highly recommend this doctor.

21/04/2019
Guliz Inan
Verified review
Guliz Inan
suspected Crohn's disease
Since October 9, our family went through a very difficult period — my daughter was suspected of having Crohn's disease. There were hospitalizations, stress and a serious deterioration of her psychological state.
I would like to thank Dr. Bulent Baran not only as a physician, but also as a person. He supported my daughter at every stage of treatment. She is still under his observation and has already made great progress thanks to his help.
If you have any suspicion of Crohn's disease or have already been diagnosed, I sincerely recommend reaching out to Assoc. Prof. Bulent Baran at Koç University Hospital.

17/12/2018
Hakan Colak
Verified review
Hakan Colak
gastroenterological disease
We greatly appreciate Dr. Bulent Baran. He is a physician who genuinely cares about his patients and goes far beyond what is expected of him.
I saw how he fought for a patient until the very last moments of life and how deeply he experienced that situation. Such an attitude is impossible to forget. A truly rare person and a real doctor. I wish him health and many long years of life.

10/10/2013
Gastroenterologist-hepatologist, advanced endoscopist
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Clinical experience: over 20 years

Assoc. Prof. Bulent Baran is a leading gastroenterologist, hepatologist and endoscopist at Koç University Hospital in Istanbul, and Associate Professor in the Department of Internal Medicine at Koç University School of Medicine. He has more than 20 years of clinical experience.

He graduated from Istanbul Faculty of Medicine (Istanbul University), completed his residency in Internal Medicine at Uludağ University, and his fellowship in Gastroenterohepatology and advanced ERCP training at Istanbul Faculty of Medicine. He has completed international advanced endoscopy programs: ESGE Advanced Endoscopy (Italy, Modules I and II), ESDO (Brussels), Peter B. Cotton Fellowship (MUSC, Charleston), Berenson International Scholarship (Beth Israel Deaconess, Harvard Medical School), as well as fellowships at UTHealth (Houston) and Daegu Catholic University (South Korea).

Areas of interest: ERCP, diagnostic and therapeutic endosonography (EUS), advanced EMR/ESD, balloon enteroscopy, GI stenting, pancreatic cystic neoplasms, chronic viral hepatitis (HBV/HCV/HDV), inflammatory bowel diseases, primary biliary cholangitis.

Member of the Education Committee of the World Endoscopy Organization (WEO Star), Fellow of European Board of Gastroenterology and Hepatology (FEBGH), member of ESGE, EASL, ECCO. Academic Editor of Medicine®, Editorial Board Member of World Journal of Hepatology.

Achievements and awards

Associate Professor, Koç University School of Medicine (2016)
EBGH and Royal College of Physicians UK diplomas
WEO Star — World Endoscopy Organization (2017)
Member of WEO Education Committee (2017–2020)
20+ years of experience; fellowships at Harvard, MUSC, ESGE, ESDO
Best Oral Presentation Award, 9th National Hepatology Congress (2013)
Asian Young Endoscopist Award, KSGE (2018)
H-index 11; editor of Medicine®, World Journal of Hepatology

About Doctor Bulent Baran

Specialization
  • Endoscopic retrograde cholangiopancreatography (ERCP)
  • Diagnostic and therapeutic endosonography (EUS)
  • Advanced EMR/ESD, balloon enteroscopy, GI stenting
  • Pancreatic cystic neoplasms and pancreatic tumors
  • Chronic viral hepatitis HBV, HCV, HDV
  • Inflammatory bowel disease (Crohn’s disease, ulcerative colitis)
  • Cholestatic liver diseases, primary biliary cholangitis
Education
  • 1995–2001 — Istanbul Faculty of Medicine, Istanbul University, Doctor of Medicine
  • 2002–2007 — Residency in Internal Medicine, Uludağ University Faculty of Medicine, Bursa
  • 2008–2011 — Fellowship in Gastroenterohepatology, Istanbul Faculty of Medicine
  • 2011–2012 — Advanced ERCP training, Istanbul Faculty of Medicine
  • 2013 — EASL Mentorship Program, University of Milan, Italy
  • 2014 — ESGE Advanced Endoscopy Fellowship Module I, Ospedale Maggiore di Crema, Italy
  • 2014 — ESDO Advanced Endoscopy Fellowship, Université Libre de Bruxelles, Erasme Hospital, Belgium
  • 2016 — Peter B. Cotton Advanced Endoscopy Fellowship, Medical University of South Carolina, USA
  • 2017 — Berenson International Scholarship, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
  • 2018 — Advanced Endoscopy Fellowship, UTHealth McGovern Medical School, Houston
  • 2018 — Advanced Endoscopy Training, Daegu Catholic University Medical Center, South Korea
  • 2019 — ESGE Advanced Endoscopy Fellowship Module II, San Raffaele University Hospital, Milan
Clinical experience
  • 2002–2007 — Resident in the Department of Internal Medicine, Uludağ University Faculty of Medicine
  • 2008–2012 — Clinical fellow in the Division of Gastroenterohepatology, Istanbul Faculty of Medicine
  • 2013–2014 — Consultant gastroenterologist, Van Training and Research Hospital (Obligatory Service for the Turkish Ministry of Health)
  • 2014–present — Consultant gastroenterologist and advanced endoscopist, Department of Gastroenterology, Koç University Hospital, Istanbul
Scientific activity

Author of numerous publications on chronic viral hepatitis, IBD, ERCP, endosonography and pancreatic cystic neoplasms. H-index — 11.

  • Academic Editor of Medicine® (Wolters Kluwer)
  • Editorial Board Member of World Journal of Hepatology
  • Editorial Board Member of Journal of Gastroenterology and Hepatology Research
  • Reviewer for European Journal of Gastroenterology and Hepatology, World Journal of Gastroenterology, Turkish Journal of Gastroenterology, BMC Gastroenterology, Annals of Medicine and Surgery, Balkan Medical Journal
  • Author of book chapters on IBD, neurology, liver diseases, interventional endoscopy
Memberships in associations
  • World Endoscopy Organization (WEO), Member of the Education Committee
  • European Board of Gastroenterology and Hepatology (FEBGH)
  • European Society of Gastrointestinal Endoscopy (ESGE)
  • European Society of Digestive Oncology (ESDO)
  • European Crohn’s and Colitis Organization (ECCO)
  • European Association for the Study of the Liver (EASL)
  • European Association for Gastroenterology, Endoscopy and Nutrition (EAGEN)
  • Turkish Medical Association (TMA)
  • Turkish Society of Gastroenterology (TGD)
  • Turkish Society of Gastrointestinal Endoscopy
  • Turkish Association for the Study of the Liver Diseases (TASL)
Koç University Hospital
The clinic where the doctor sees patients
Koç University Hospital
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Turkey, Istanbul

Koç University Hospital is a private multidisciplinary academic hospital located in the Topkapı/Zeytinburnu district of Istanbul. It was opened in 2014 and is part of the Koç Healthcare Group. The hospital is integrated with Koç University School of Medicine, combining clinical practice, academic teaching and scientific research.

The hospital holds international accreditations (including JCI) and is equipped with state-of-the-art technology for endoscopy, imaging, oncology and transplantation. The Department of Gastroenterology performs the full range of diagnostic and therapeutic endoscopy: ERCP, endosonography (EUS) with fine-needle biopsy, EMR/ESD, balloon enteroscopy and GI stenting.

Patients receive care in line with international standards through multidisciplinary teams of gastroenterologists, oncologists, surgeons and interventional radiologists.

Published 01.05.2026
Dr Nataliia
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