Best Colonoscopy Doctors Worldwide — TOP 169

Dr. Tarik Akar specializes in advanced colonoscopy and endosurgical techniques at Hisar Hospital Intercontinental. He uses precise methods to detect and treat digestive disorders.

• Performs ESD to remove early-stage colon cancers during endoscopic procedures
• Winner of the Best Verbal Presentation Award at an international cancer congress
• Conducts colonoscopy with biopsies to ensure accurate diagnostic results
• Treats complex conditions like ulcerative colitis, Crohn's disease, and polyps
• Published 25 research papers in local and international medical journals

Dr. Mustafa Solak is a clinical oncologist at Hisar Hospital Intercontinental. He specializes in gastrointestinal malignancies, including colon cancer, and trained at MD Anderson Cancer Center.

• Completed an advanced oncology fellowship at the Hacettepe University Cancer Institute
• Treats complex gastrointestinal cancers including colon, stomach, and pancreatic tumors
• Practiced at the University of Texas MD Anderson Cancer Center in the USA
• Coordinates systemic treatments for advanced solid tumors and hematological conditions
• Member of the medical team at JCI-accredited Hisar Hospital Intercontinental

Professor Ahmet Melih Ozel is a gastroenterology specialist at Anadolu Medical Center. He specializes in advanced endoscopic interventions and inflammatory bowel disease treatment.

• Performs colonoscopy for diagnostic and therapeutic bowel care
• Specializes in removing gastric polyps during endoscopic procedures
• Expert in managing Crohn's disease and ulcerative colitis
• Member of the European Society of Gastrointestinal Endoscopy (ESGE)
• Former Professor of Gastroenterology at Maltepe University

Professor Kivanc Derya Peker is a specialized gastrointestinal surgeon at Hisar Hospital Intercontinental. He performs colonoscopies and advanced endoscopic treatments for digestive system disorders.

• Founder of the Gastroenterology Surgery Clinic at Basaksehir Cam and Sakura City Hospital
• Trained at the Mayo Clinic in the United States in metabolic and biliary clinics
• Performed around 1,000 major operations including colectomies for colon cancer
• Ranked in the top 3 on his gastroenterology surgery specialization examination
• Member of the Turkish HPB Association focusing on liver and biliary tract health

Dr. Vafi Atalay is a colorectal and general surgeon at Anadolu Medical Center. He developed the tube ileostomy technique to eliminate the need for ostomy-closure surgery. This method was published in the journal Colorectal Disease. Dr. Atalay specializes in pancreatic, colon, rectal, and liver cancers.

• Winner of the Gold Medal Award at the Istanbul International Invention Fair.
• Authored over 30 articles in national and international medical journals.
• Received the Best Scientific Research Award from several surgical congresses.
• Practices at a clinic affiliated with the top-ranked Johns Hopkins Hospital.

Dr. Abdulcabbar Kartal is a certified Fellow of the European Board of Surgery. He treats complex gastrointestinal conditions and performs advanced screenings at Anadolu Medical Center.

• Holds a Surgical Endoscopy Training Certificate for precise internal evaluations
• Completed advanced training in interventional endoscopic procedures
• Expert in colorectal surgery and metabolic disorders
• Certified in ERCP and endosonography for detailed digestive tract imaging
• Member of the European Society of Coloproctology, ensuring high standards in bowel health

Dr. Engin Tutar is a pediatric gastroenterologist at Hisar Hospital Intercontinental in Istanbul. He is the former head of Pediatric Gastroenterology at Marmara University. Dr. Tutar has delivered over 50 presentations at national and international medical congresses. He specializes in treating complex digestive, liver, and nutritional disorders in children.

• Performs diagnostic and therapeutic endoscopy, including polypectomy and esophageal variceal bleeding control.
• Treats inflammatory bowel disease, Celiac disease, and H. pylori infections.
• Manages chronic pediatric conditions such as growth disorders and liver diseases.
• Works at JCI-accredited Hisar Hospital, which treats over 500,000 patients annually.

Professor Christoph Zielinski leads the International Oncology Center at Wiener Privatklinik. Colonoscopy results here support personalized cancer immunotherapy and tumor biology research.

• Chairman of the Vienna Cancer Center and founder of the Comprehensive Cancer Center Vienna
• Published over 600 scientific papers on cancer diagnostics and targeted drug therapies
• Former President of the Central European Cooperative Oncology Group
• Researcher at the Cancer Research Center at Tufts University in the USA
• Fellow of the American Society of Clinical Oncology and European Society for Medical Oncology

Dr. Sun Guangxi is a gastroenterologist at Shanghai Tongji Hospital. He has performed thousands of painless gastroscopy and colonoscopy procedures. He specializes in the early detection and minimally invasive treatment of digestive cancers. Dr. Sun is a member of the Chinese Medical Association’s Digestive Endoscopy Society.

• Specializes in painless endoscopy using intravenous sedation for high-precision lesion detection.
• Performs endoscopic mucosal dissection (ESD) and complex polyp removals.
• Uses hand-drawn diagrams to explain clinical findings to his patients.
• Treats gastrointestinal conditions like ulcerative colitis, Crohn’s disease, and Barrett's esophagus.

Dr. Mehmet Guler is a professor and general surgeon at Medical Park Antalya Hospital Complex. He specializes in bariatric and metabolic surgery for obesity and type 2 diabetes. Dr. Guler uses the Da Vinci robotic system for precise gastric sleeve and bypass procedures. He holds a Master's degree in Health Law and a degree in Public Administration.

• Member of the Turkish Society for Obesity Surgery and the World Association of Laparoscopic Surgery.
• Performs robotic-assisted gastroectomy and endoscopic sleeve gastroplasty.
• Treats complex gastrointestinal conditions including Crohn’s disease and ulcerative colitis.
• Practices at the largest private hospital in the Mediterranean region.

Dr. Camel Kopty performs screening colonoscopies at Wiener Privatklinik. He is an internal medicine specialist and oncologist who trained at the Medical University of Vienna.

• Checks for gastrointestinal malignancies and performs biopsies for precise diagnosis
• Removes gastric and duodenal polyps during endoscopic procedures
• Treats complex conditions like ulcerative colitis and cirrhosis
• Interprets tumor markers and imaging to monitor digestive health
• Specializes in systemic therapies for solid tumors and blood disorders

Professor Onder Surgit is a senior surgeon at Optimed International Hospital. He specializes in cancer surgery and laparoscopic methods during colonoscopy procedures.

• Holds the rank of Professor at Atilim University Faculty of Medicine
• Serves as an instructor surgeon at the Advanced Medical Technologies Training Center
• Trained at Hacettepe Faculty of Medicine, a top-ranked medical school in Turkey
• Focuses on cancer surgery and minimally invasive laparoscopic techniques

Dr. Enes Duman is an Associate Professor of Interventional Radiology at Medical Park Antalya Hospital. He specializes in neurovascular procedures and endovascular treatments for cerebral aneurysms. Dr. Duman holds training from Ankara University and Baskent University. He previously served as a lecturer and researcher in Interventional Radiology.

• Performs endovascular treatment of wide-necked saccular aneurysms using flow-diverter stents.
• Researches laser wavelength effects on pain during saphenous vein ablation.
• Treats complex conditions at the largest private hospital in the Mediterranean region.
• Expert in minimally invasive diagnostics including angiography, CT, and MRI.

Dr. Hana Golan heads the Pediatric Hemato-Oncology and Bone Marrow Transplantation Division at Sheba Medical Center. She specializes in high-risk pediatric tumors and complex childhood cancers. Dr. Golan serves as the principal investigator for the High-Risk Neuroblastoma ESIOP protocol. She practices at a hospital ranked among the global top 10 by Newsweek.

• National coordinator of multicenter oncology protocols and international Phase I/II clinical trials.
• Performs bone marrow transplants and CAR T-cell therapy for pediatric patients.
• Expert in neuroblastoma, leukemia, and treatment-resistant malignancies.
• Senior Lecturer at the Sackler Faculty of Medicine at Tel Aviv University.

Dr. Zhang Rong Chun directs the gastroenterology department at Xiamen Humanity Hospital. He is a leading authority in digestive endoscopy and colonoscopy procedures.

• Performed endoscopic tumor resections for gastrointestinal cancers
• Expert in diagnosing pancreatic and biliary tract diseases
• Specializes in treating acute abdominal conditions using endoscopy
• Served as a senior specialist at Xijing Hospital
• Standing committee member of the Digestive Endoscopy association

Dr. Almog Ben Yaacov is a senior surgeon at Sheba Medical Center. He specializes in oncological surgery and the management of complex colorectal malignancies.

• Completed advanced surgical oncology training at Memorial Sloan Kettering Cancer Center in New York
• Expertise includes minimally invasive and laparoscopic surgery for intestinal conditions
• Performs colonoscopy and colorectal procedures at a leading Israeli medical facility
• Board certified in both general surgery and surgical oncology
• Authored multiple peer-reviewed publications on surgical outcomes for abdominal cancers

Dr. Bilal Ergul is a gastroenterologist at Lokman Hekim University Ankara Hospital. He is known for performing Peroral Endoscopic Myotomy (POEM) surgery. This procedure treats complex swallowing disorders without external incisions. Dr. Ergul has authored around 100 academic publications on various gastrointestinal topics.

• Specializes in laparoscopic surgery for GERD and gastric polyps removal.
• Treats chronic conditions including Crohn’s disease, ulcerative colitis, and cirrhosis.
• Performs esophagectomy and small intestine resections for complex cases.
• Works at an ISO-certified university hospital that treats 20,000+ patients annually.

Dr. Amit Tirosh is the Head of the Neuroendocrine Tumors (NET) Service at Sheba Medical Center. He is an international authority on von Hippel–Lindau (VHL) disease and hereditary tumor syndromes. Dr. Tirosh contributed to global clinical guidelines for VHL management. He also leads the Endocrine Oncology Bioinformatics Lab at Sheba.

• Contributor to the international expert panel on VHL management guidelines.
• Authored over 40 peer-reviewed papers in journals like JAMA and Gastroentrology.
• Maintains research affiliations with the NIH and the Weizmann Institute.
• Performs specialized NET treatments, including Lutetium-177 therapy and PRRT.

Dr. Aziz Kemal Emek is a general surgeon and surgical oncologist at Medical Park Antalya Hospital Complex. He specializes in gastrointestinal surgery, focusing on liver and biliary tract tumors. Dr. Emek holds a professorship from Akdeniz University Faculty of Medicine. He performs Da Vinci robotic procedures and weight loss surgeries.

• Member of the National Surgical Association and the Turkish Medical Association.
• Treats complex conditions like Crohn's disease, liver cirrhosis, and ulcerative colitis.
• Performs stomach resections, esophagectomies, and robotic-assisted surgeries.
• Works at a clinic authorized for international health tourism by the Turkish government.