Page 3 - Best Colonoscopy doctors: TOP 140 doctors

Univ.-Prof. Dr. Wolfgang Johannes Köstler is a board-certified specialist for Internal Medicine, Hematology/Oncology, and Intensive Care Medicine who specializes in hematology & internal oncology, intensive care medicine. He is one of the top-rated breast cancer and sarcoma oncologist specialists and has extensive experience in the field and has received degrees from the Medical University of Vienna and the Weizmann Institute of Science. He has also had special training at Memorial Sloan-Kettering Cancer Center and Royal Prince Alfred Hospital.

A specialist in the digestive system through MIR from the Hospital Clinic of Barcelona and a Doctor of Medicine from the University of Barcelona, he received his PhD from the University of Barcelona.

He completed his postgraduate training in the Gastroenterology Service of the Barcelona Hospital Clinic and then in the Department of Gastroenterology at Case Western Reserve University (Cleveland, USA), where he conducted cutting-edge research on inflammatory bowel diseases (IBD, Crohn's disease and ulcerative colitis).

From 2004 to 2011 he worked in the Gastroenterology Department of the Barcelona Hospital Clinic / IDIBAPS, and since 2011 he has worked as a specialist doctor in the Digestive System Department of the Teknon Medical Center in Barcelona.

He was a member of the Scientific Committee of ECCO and coordinator of the European project "IBDChip". He is the author of more than 150 publications and 500 presentations at conferences and conferences.

Experience:

Digestive system specialist, completed the MIR training program and completed his residency in this specialty at the Provincial Hospital of Barcelona between 1993 and 1996.

Doctor of Medicine from the University of Barcelona with the qualification "Distinguished Diploma Unanimously". In 2001 he received the Distinguished Doctorate from the University of Barcelona.

Between 1997 and 1999, he completed his postgraduate training in the Gastroenterology Department of the Provincial Hospital of Barcelona. Subsequently, he completed two internships in the Gastroenterology Department of Case Western Reserve University in Cleveland, USA, between 2000 and 2003, where he conducted cutting-edge research in the field of gastroenterology.

Since 2004 he has been working in the Gastroenterology Service of the Provincial Hospital of Barcelona / IDIBAPS, focusing on the treatment and research of inflammatory bowel diseases.

He is the author of numerous publications, conference papers and book chapters both nationally and internationally.

Member of the Catalan Society of Gastroenterology, the Spanish Association of Gastroenterology, the Spanish Working Group on Crohn's Disease and Ulcerative Colitis and the American Gastroenterological Association.

Areas of special interest: storage rhythm disorders, chronic diarrhea, inflammatory bowel diseases (Crohn's disease and ulcerative colitis) and other causes of chronic intestinal inflammation.

Dr. Oren Shibolet is a highly experienced gastroenterologist and hematologist with over 50 years of practice. He is a leading expert in liver conditions and treatments, having served as the Head of the Liver Unit at Sourasky (Ichilov) Medical Center. He has a degree in general medicine from the Hebrew University, a specialty in gastroenterology from the Hebrew University Hadassah Medical School, and is a member of multiple medical organizations. He is also an author of over 60 publications and 100 conference reports.

Dr. Erwin Santo is an Israeli top rated gastroenterologist, an expert in the diagnosis and treatment of gastric and liver diseases. He has extensive experience in the field, including heading the Gastroenterological Department at Sourasky Medical Center and being a co-founder of the European Society of Gastrointestinal Endoscopy. He is a member of the American Gastroenterological Association, the Israeli Association of Gastroenterology, and the European Association of Gastroenterology, Endoscopy and Nutrition.

Education

Sackler Faculty of Medicine, Tel Aviv University

Specialization

2002-2006 - Internal Medicine, Department of Internal Medicine I, Tel Aviv Medical Center

2007-2010 - Gastroenterology, Institute of Gastrointestinal and Liver Diseases, Tel Aviv Medical Center.

Recognized experience

Internal Medicine and Gastroenterology

Additional education

2007- Weizmann Institute, immunology

2010-2013 - University of North Carolina, Chapel Hill, USA, immunology, microbiology and inflammatory bowel diseases.

Clinical experience

1998-2002 - military doctor of the academic reserve.

2013 - present - Senior Physician at the Institute of Gastrointestinal and Liver Diseases, Tel Aviv Medical Center.

2014 - Present - Director of the Bacteriotherapies Clinic.

From 2017 to the present - Director of the Department of Inflammatory Bowel Diseases.

Academic experience

Senior Lecturer, Department of Internal Medicine, Tel Aviv University

Attending conferences

More than 60 conferences

Professional publications

More than 80 professional publications

Trade union membership

Israel Medical Association

Israel Gastroenterology and Liver Diseases Association

American Gastroenterological Association

European Crohn's and Colitis Organization

Areas of special interest and activities

Inflammatory bowel disease

Bacterotherapy - research and treatment with fecal bacteria

Education and Expertise

Selcuk University Meram Faculty of Medicine - Medical Education

Dr.Abdurrahman Yurtaslan Anakara Oncology Training and Research Hospital Medical Oncology Specialization

Experience

Malatya State Hospital Internal Diseases Clinic

Ankara Oncology Hospital Medical Oncology Clinic

Erzurum Regional Training and Research Hospital Medical Oncology Clinic


AREAS OF INTEREST

Lung cancer

esophageal cancer

Gastric cancer

breast cancer

Gastrointestinal surgery

https://scholar.google.com.tr/citations?user=EDuylhoAAAAJ&hl=tr 

Associate Professor Dr. Yusuf AÇIKGÖZ
Specialization: Medical Oncology

Education:

• 2004-2011: İnönü University Faculty of Medicine
• 2011-2016: Ankara Numune Training and Research Hospital, Internal Medicine
• 2017-2022: Health Sciences University, Medical Oncology

Professional Experience:

• 2016-2017: Bingöl City Hospital, Internal Medicine
• 2021-2022: Health Sciences University, Medical Oncology
• 2022-2023: Kastamonu Education and Research Hospital, Medical Oncology
• 2023-2024: Ohio State University, Medical Oncology
• 2024-Present: Lokman Hekim University, Medical Oncology, Ankara Hospital

Clinical Trials, Courses, Certifications:

Clinical Trials:

• 2017-2021: Phase III, CheckMate-649 Study (Assistant Investigator)
• 2022-Present: Phase III, Fortitude-101 Study (Assistant Investigator)

Courses:

• 2018: Medicres Basic and Advanced Biostatistics Training Program (ongoing), Istanbul-Vienna
• 2019: Immuno-Oncology Education Course, March 1-2, 2019, Vienna, Central European Cooperative Oncology Group (CECOG)
• 2018: Good Clinical Practice Certification, April 7-8, 2018, Ankara, Health Sciences University
• 2017: Basic Oncology Training Program, November 25-26, 2017, Adana, Clinical Oncology Society
• 2016: Basic Ultrasonography Course (10 hours theoretical + 10 hours practical), September 24-25, 2016, Ankara, Turkish Emergency Medicine Association

Certifications:

• Ongoing: ECFMG Certification
• 2024: CITI Responsible Conduct of Research (The Ohio State University)
• 2024: CITI IACUC-Laboratory Animal Research (The Ohio State University)
• 2024: CITI Human Subjects Protection (The Ohio State University)
• 2024: CITI Good Clinical Practice (The Ohio State University)
• 2023: Occupational English Test (OET)
• 2019: International English Language Testing System (IELTS), Total Score: 6.5, May 26, 2019, Ankara, British Council
• 2017: USMLE Step 2 CK Exam; Score: 244, February 7, 2017
• 2016: USMLE Step 1 Exam; Score: 215, August 25, 2016

Memberships:

• American Society of Clinical Oncology (ASCO) - 2022
• Turkish Society of Medical Oncology - 2020

Dr. Saban Sec is a medical oncologist with experience at leading hospitals, including Haseki Training and Research Hospital, Prof. Dr. Cemil Taşcıoğlu City Hospital, and Bahçelievler Medikalpark Hospital. He currently represents specialist physicians in the Turkish Medical Oncology Association. He is also a member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.

Dr. Sec treats breast, lung, gastrointestinal, prostate, urogenital, head and neck cancers, as well as sarcomas and rare tumors. He has published many peer-reviewed articles on cancer prognosis, treatment outcomes, and survival rates. His research includes studies with large patient groups, such as 138 patients with HER2-positive metastatic gastric cancer. Dr. Sec focuses on prognostic factors and treatment responses in different cancers. He is dedicated to improving cancer care.

Education

MD; Hacettepe University Faculty of Medicine (2001)

Residencies

Internal Medicine; Ministry of Health Ankara Diskapi Education and Research Hospital (2009)

Pathology; Gazi University Faculty of Medicine (2004)

Fellowships

Gastroenterology and Hepatology; Necmettin Erbakan University Faculty of Medicine (2013)

Experiences

Demiroglu Bilim University Faculty of Medicine, Department of Gastroenterology and Hepatology

Istanbul Florence Nightingale Hospital (2019- currently)

Alanya Alaaddin Keykubat University Faculty of Medicine, Department of Gastroenterology and Hepatology (2017-2019)

Bundang CHA Hospital, Seoul, Korea (2018)

Konya Education and Research Hospital, Department of Gastroenterology  (2014-2017)

Certificates

Advanced Endoscopy Certificate, Bundang CHA Hospital, Seoul, Korea, 2018

Bariatric Endoscopy Certificate, Bariatric Endoscopy Global course, Sao Paulo, Brazil, 2020

Awards

2019 Rising Star, 10th Digestive Disease and Endoscopy Symposium

Memberships

Turkish Society of Internal Medicine

Turkish Society of Gastroenterology

ERCP Study Group at Turkish Society of Gastroenterology

European Society of Gastrointestinal Endoscopy

Women in Endoscopy, American Society of Gastrointestinal Endoscopy

Dr. Ron Yulia is a specialist in gastrointestinal diseases with over 20 years of clinical experience. She treats complex conditions such as Crohn's disease, stomach ulcers, liver dystrophy, and pancreatic disorders.

Dr. Yulia is a member of the Israeli Gastroenterology Community. She has published 85 scientific papers. Her training and research highlight her dedication to gastroenterology.

Dr. Bentov Amir is a pediatrician and pediatric gastroenterologist with over 22 years of clinical experience. He specializes in treating pediatric inflammatory bowel diseases, celiac disease, and eosinophilic esophagitis. He is also skilled in performing endoscopic procedures in children.

Dr. Amir earned his medical degree at Tel Aviv University. He completed his training in pediatrics and pediatric gastroenterology at Dana-Dwek Children's Hospital. He lectures at Tel Aviv University and is a member of several professional organizations, including the European Society of Pediatric Gastroenterology, Hepatology and Nutrition. Dr. Amir is recognized for his clinical work and academic contributions in his field.

Education

2005 – M.D., Istanbul University, Istanbul Faculty of Medicine

2010 – Internal Medicine Specialization, Haseki Training and Research Hospital

2021 – Gastroenterology Subspecialty Training, Sakarya University Faculty of Medicine

Academic & Professional Experience

Assistant Professor, Istanbul Florence Nightingale Hospital

Assistant Professor, Istanbul Bilim University Faculty of Medicine

Assistant Professor, Istanbul Yeni Yüzyıl University Faculty of Medicine

Head of Department, Giresun University Faculty of Medicine

Scientific Publications

Dr. Acar has authored over 20 international peer-reviewed articles in the fields of internal medicine and gastroenterology. Her notable contributions include studies and case reports on:

Gastrointestinal bleeding management in anticoagulant users

Rare GI cases such as bezoars, aortoesophageal fistulas, and massive hemorrhagic ascites

Liver transplantation complications, including graft-versus-host disease

The role of (pro)hepcidin in IBD-related anemia

Endoscopic interventions for acute GI bleeding

Covid-19 treatment agents and their GI implications in Turkey

(Full publication list available upon request)

Clinical Expertise

Gastrointestinal bleeding & endoscopic procedures

Hepatology & liver disease management

Inflammatory bowel diseases (IBD)

Complex GI case diagnostics

Post-transplant GI complications

Diabetic GI and cardiovascular comorbidities

Pediatrician, Pediatric Gastroenterology and Nutrition Specialist

Education

Yeditepe University School of Medicine

Professor of Pediatrics (Chair of the Department)

2004 - 2007

Dokuz Eylül University School of Medicine

Pediatric Gastroenterology Sub-specialty

1995 – 1998

Hacettepe University School of Medicine

Pediatrics Instructor

1985 - 1987

Professional Experience

Ataşehir Florence Nightingale Hospital

Pediatrician, Pediatric Gastroenterology

2017 – Present

Kadıköy Şifa Ataşehir Hospital

Pediatric Gastroenterology and Nutrition

2013 – 2017 

Dokuz Eylül University School of Medicine

Professor of Pediatrics

1994 – 2004

Publications

Cevik N, Buyukgebiz B. Interaction between human blood group (ABO) substances and enteropathogenic

bacterial agents. Turk J Pediatr. 1987. Link

Buyukgebiz B, Ozalp I, Oran O. Investigation of serum vitamin A levels of children who had a history of

recurrent diarrhoea. J Trop Pediatrics. 1990. Link

Languages

Turkish: Native

English: Advanced

Dr. Laura Masalaite is a gastroenterologist and endoscopist at VUL Santaros Clinics and Kardiolita Clinics. She became Acting Head of the Organ Transplantation Coordination Centre in 2024. From 2007 to 2024, she served as Senior Specialist. She has been an Associate Professor at Vilnius University since 2024.

She completed a PhD in Medicine in 2014 (2010–2014). She finished a gastroenterology residency in 2010 (2006–2010). She is a licensed gastroenterologist (MPL15909; 2010-06-30). Her advanced training includes liver transplantation in Vienna (2023–2024) and Warsaw (2010). She also trained in endoscopy and ultrasound in Wuppertal and completed UEG courses. She obtained GCP certification in 2023.

She has published in Cancers, Scandinavian Journal of Gastroenterology, and Hepatology International. Her work covers national 5-year colorectal screening and EUS for predicting variceal recurrence. She has also studied adenoma detection rate, Zenker diverticulotomy, portal vein flow in pancreatitis, diastolic dysfunction in cirrhosis, and early outcomes after liver transplantation.

Dr. Tomas Jucaitis is a gastroenterologist and endoscopist. He studied at Kaunas University of Medicine from 1991 to 1998 and graduated in 1998. He completed a primary residency at Ukmergė Hospital in 1999 (1998–1999). He then finished an internal medicine residency at Vilnius University (1999–2001). He later completed a gastroenterology residency (2001–2003). His training also includes internships in the Czech Republic, Germany, and the USA.

He was Coordinator at the National Organ Transplantation Bureau from 2001 to 2004. He worked as an endoscopist and ultrasound specialist at Vilnius Emergency University Hospital from 2003 to 2006. Since 2006, he has practiced as a gastroenterologist and endoscopist at Vilnius University Hospital “SK” Center Branch and at Vilnius “Kardiolita Clinics.” He also held prior roles at Švenčionys Hospital and “Northway” Medical Center.

Dr. Vilius Kontenis is a gastroenterologist and endoscopist. He trained at Vilnius University and earned his MD in 2014. He completed his gastroenterology residency in 2018. Since then, he has worked at Mažeikiai Hospital as a gastroenterologist and endoscopist. He also practices at Kardiolita Clinics in Vilnius as a gastroenterologist.

His work includes a systematic review and meta-analysis on inflammatory bowel disease. He has studied liver fibrosis, comparing FibroScan with routine tests. He has also published on dysphagia in older adults, pediatric diarrhea, and food allergy. He has presented on chylous ascites and catastrophic antiphospholipid syndrome. He edited issue No. 1 of Gastroenterologija. He attended the 35th GEEW in 2017. He is a member of the Lithuanian Gastroenterology Association and the World Gastroenterology Organisation.

Prof. Rafael Bruck is a highly experienced gastroenterologist and hepatologist with 40+ years of experience. He specializes in the treatment of acute and chronic diseases of the esophagus, stomach, small and large intestines, pancreas, gastrointestinal cancer, and biliary duct and liver abnormalities. He is a member of several medical organizations, including the American Medical Association.

Dr. Viola Fox is the Chief Physician at the Clinic for Haematology, Oncology, and Palliative Medicine at BKZ Solingen. This clinic is a certified interdisciplinary cancer center. Dr. Fox is a leading expert in drug therapy for tumor diseases in Germany and Europe. She has more than 15 years of experience in this field.

She is a member of the German Society of Oncology and Haemato-oncology (GDHO), the German Association of Physicians, and the American Association for Cancer Research. Dr. Fox is also active in molecular biology research. Her work supports progress in cancer treatment and molecular diagnostics.

Her main areas of expertise are chemotherapy, immunotherapy, targeted therapy, and radiation therapy. Dr. Fox is known for her innovative methods and strong commitment to patient care. Her efforts have led to high recovery rates and recognition from her peers.