Best gastroenterologists in Turkey: TOP 130 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.

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. Tülin Kendir Koçak is a board-certified gastroenterologist and internal medicine specialist. She has over 25 years of clinical experience. Dr. Koçak is skilled in advanced endoscopic procedures such as esophagogastroduodenoscopy, colonoscopy, chromoendoscopy, and flexible rectosigmoidoscopy. She has performed many specialized interventions, including esophageal variceal band ligation, achalasia balloon dilatation, polypectomy, foreign body removal, and percutaneous endoscopic gastrostomy (PEG).

Dr. Koçak graduated from Istanbul University Cerrahpasa Faculty of Medicine. She completed her advanced training at leading hospitals in Turkey. She has held important roles in both public and private healthcare institutions. Dr. Koçak’s extensive hands-on experience makes her a respected expert in gastroenterology.

Education and Academic Titles

• Hacettepe University Faculty of Medicine – Medical Degree, 1992
• Başkent University Faculty of Medicine – General Surgery Residency, 1995
• Ankara Numune Training and Research Hospital – General Surgery Residency, 2000
• Gaziantep University Faculty of Medicine – Assistant Professor of General Surgery, 2007
• Interuniversity Council – Associate Professorship, 2018
• Istanbul Aydın University – Professorship, 2023
• Second Bachelor’s Degree: Anadolu University – Public Administration, 2008
• Master’s Degree: Akdeniz University – Health Law, 2023

ACADEMIC CAREER SUMMARY

Degree: Bachelor's
Field: Medicine
University: Atatürk University
Year: 2001

Degree: Master's
Field: Medicine
University: Atatürk University
Year: 2001

Specialization/Doctorate: Internal Medicine/Gastroenterology
University: İnönü University
Year: 2012

Associate Professorship: Gastroenterology
University: İnönü University
Year: 2018

Foreign Language: English, 67.5, 2007

H-index (WoS/Google): 8/10

Impact Factor: 8.1577

Key Research Work:
“Does apocynin increase liver regeneration in the partial hepatectomy model?” Yılmaz Bilgiç, Burhan Hakan Kanat, Onural ÖZHAN, Azibe YILDIZ, Zeynep AKSUNGUR, Mehmet Erman ERDEMLİ, Nigar VARDI, Yusuf TÜRKÖZ, Sami AKBULUT, Adem KÖSE, Hakan PARLAKPINAR. Turkish Journal of Medical Sciences, 2023 (53), 1-12 Q3.

Declared Project Title, Year:
K.3.6. “Investigation of the Effects of Vinpocetine in Sepsis Created by Cecal Ligation and Puncture in Rats” (Principal Investigator), 2023

International Experience:
Advanced Endoscopy Training, Anam Hospital, South Korea (3 months, 2016)
Advanced ERCP Course, Olympus Training Center, Hamburg (2017)

ADMINISTRATIVE POSITIONS

• Institution: İnönü University Turgut Özal Medical Center
  City: Malatya
  Position: Assistant Chief Physician
  Period: 2021 - 2024

Associate Professor Dr. Ali Solmaz is a general and bariatric surgeon with over 20 years of experience. He specializes in general, metabolic, and obesity surgery. Dr. Solmaz completed his medical education and surgical training at Marmara University, a leading institution in Turkey. He earned his associate professorship at Bağcılar Training and Research Hospital.

Dr. Solmaz has performed thousands of surgeries at hospitals such as Çamlıca Erdem Hospital and Bağcılar Training and Research Hospital. He is known for his skills in advanced laparoscopic and minimally invasive surgery. These techniques help patients recover faster and achieve better results.

He is active in medical research and serves on the editorial boards of several journals. Dr. Solmaz is also a member of professional organizations, including IFSO, the Turkish Surgery Association, and the Bariatric & Metabolic Surgery Association.

Education

• Hacettepe University Faculty of Medicine / 2003
• Şişli Etfal Training and Research Hospital / 2009
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Experience

• 2023 - Presently Güneşli Erdem Hospital
• 2021 - 2023 Şişli Etfal Training and Research Hospital
• 2019 - 2021 Bağcılar Training and Research Hospital
• 2017 - 2019 Private Surp Pırgiç Armenian Hospital
• 2011 - 2017 Private Camlica Erdem Hospital
• 2010 - 2011 Göle State Hospital
• 2009 - 2010 Edremit Military Hospital
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Professional Memberships

TTB-Istanbul Medical Chamber

Turkish Surgery Association

Turkish Colon and Rectum Surgery Association

Turkish Hepato-Pancreato-Biliary Surgery Association

Procedures Performed

• Laparoscopic gastric cancer, colon cancer and rectal cancer operations
• Laparoscopic anti-reflux surgery
• Laparoscopic appendectomy (appendicitis)
• Laparoscopic cholecystectomy (gallbladder)
• Endocrine Surgery
• Gastroenterology Surgery
• Tube Stomach Surgery
• Gastric Bypass
• Gastric Balloon
• Swallowable Gastric Balloon
• hemorrhoid disease
• Anal fissure-fistula disease
• inguinal hernia
• incisional hernia
• umbilical hernia
• anal abscess
• hair transplant surgery

Dr. Osman Aktas has been serving as a general surgeon at Ataşehir Avicenna Hospital since 2005. Born in Kayseri in 1960, he graduated with his medical degree from Ankara University in 1983. Following his graduation, he fulfilled his military service in medical units for two years. He completed his general surgery residency at GATA from 1986 to 1990. After specializing in general surgery, He held key positions as head of general surgery departments and chief physician in several prominent military hospitals, including Tatvan, Diyarbakır, Ankara, and Manisa.

Dr. Osman has had a special focus on endoscopic surgery since 1995. He received advanced training in laparoscopic surgery techniques in Germany and has successfully performed a wide range of laparoscopic procedures. His expertise extends to gallbladder surgery, abdominal wall and inguinal hernia repairs, appendicitis, reflux and stomach surgeries, as well as complex cases such as gastrointestinal tumors, intestinal obstructions, and various other intestinal diseases, all managed through minimally invasive methods.

In 2002, Dr. Osman transitioned to the private sector, where he broadened his practice to include modern treatments for anal diseases like hemorrhoids, fistulas, and fissures, utilizing advanced techniques such as laser therapy.

Dr. Osman is also recognized for his significant contributions to oncological surgery. He has a wealth of experience in the surgical treatment of various cancers, including breast and thyroid cancer, where he has implemented new treatment methods that reduce the risk of complications. His surgical expertise spans critical cancer surgeries, such as the Whipple procedure for pancreatic cancer, colorectal cancer resections, gastric cancer, and other complex malignancies. Additionally, his skills in metabolic surgery have led to lasting outcomes for patients suffering from obesity and diabetes, ensuring a better quality of life through sustained weight loss and reduced risk of diabetes.

With his vast experience and advanced skills in both laparoscopic and cancer surgeries, Dr. Osman remains at the forefront of surgical excellence, offering innovative and comprehensive care to all his patients.

Education:

• Bachelor of Science (MD): Faculty of Medicine, Uludag University, 1989

Specialized Education and Experience:

• General Surgery Specialist Degree: Ankara Numune Training and Research Hospital, 1997
• Fellowship: Gastroenterology Surgery, Türkiye High Specialization Hospital, 2005

Academic Career:

• Associate Professor: General Surgery, Inonu University, 2011
• Professorship: General Surgery, İnönü University, 2017

Dr. Bilal Ergul, MD, is a pioneering force in the field of gastroenterology.  

His innovative treatment protocols have transformed the lives of many patients, including a remarkable case where he successfully treated a patient with a Peroral Endoscopic Myotomy (POEM) surgery.

Dr. Bilal Ergul, often says, ‘Healing is more than treating a condition; it’s about restoring hope and improving lives.’ This philosophy is evident in every aspect of his work, making his and his team truly inspirational figure in the medical community."
He has authored around 100 publications in different academic topics

Prof. Dr. Samet Yardımcı - Specialist in Gastroenterology and General Surgery

Education and Specialization:

• Medical Degree: Ankara University Faculty of Medicine (2003)
• Residency in General Surgery: Haydarpaşa Numune Training and Research Hospital (2003-2009)
• Fellowship in Gastroenterology Surgery: Türkiye Yüksek İhtisas Training and Research Hospital (2009-2012)

Professional Experience:

• 2003-2009: Assistant Doctor at Haydarpaşa Numune Training and Research Hospital
• 2009-2012: Specialist at Türkiye Yüksek İhtisas Training and Research Hospital
• 2012-2017: Specialist at Marmara University Pendik Training and Research Hospital
• 2017-2018: Associate Professor at Marmara University Pendik Training and Research Hospital
• 2018-Present: Professor at VM Medical Park Pendik Hospital

Areas of Expertise:

• Obesity Surgery
• Gastroenterology Surgery
• Reflux Surgery
• Stomach Surgery
• Laparoscopic Surgery
• Inflammatory Bowel Diseases
• Colorectal Surgery

Research and Publications: Prof. Dr. Yardımcı has numerous publications in international journals, focusing on topics such as liver regeneration, splenic hydatid cysts, and the surgical treatment of gastrointestinal diseases. His research includes innovative methods in bariatric surgery and the treatment of inflammatory bowel diseases.

Certifications and Awards:

• Turkish Surgery Competency Certificate
• International Observership Certificate from Memorial Hermann Hospital, Houston, Texas
• Best Young Researcher Award at the Congress of Transplantation (2011)
• Istanbul Provincial Health Directorate Patient Satisfaction Certificate

Professional Memberships:

• Turkish Surgery Association
• Turkish Hepato-Pancreato-Biliary Surgery Association
• Gastroenterology Surgery Association
• Turkish Obesity Surgery Association
• International Federation for the Surgery of Obesity and Metabolic Disorders