Best Colonoscopy Doctors Worldwide — TOP 151

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

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.

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. 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. Zulfu Sertkaya is an associate professor and andrologist at Andro Expertise in Istanbul. He holds the FEBU title from the European Association of Urology. Dr. Sertkaya focuses on male health, sexual function, and aesthetic urological procedures. He treats patients at his clinic and performs surgeries at affiliated hospitals.

• Earned Fellow of the European Board of Urology (FEBU) status.
• Specialize in andrology, male sexual health, and aesthetic urology.
• Performs penile implant surgery and varicocelectomy for infertility.
• Works at a clinic accredited by the Turkish Medical Association.

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.

Dr. Brenda Pastrana is a surgical oncologist at the JCI-accredited Galenia Hospital in Cancún. She specializes in breast, thyroid, and digestive system cancers. Dr. Pastrana is board-certified by CONACEM. She holds a medical degree from the Universidad Autónoma de México.

• Performs mastectomies, liver resections, and complex colon cancer surgeries.
• Treats patients at a facility holding Accreditation Canada Diamond Status.
• Serves as a university teacher at Universidad Anáhuac.
• Member of the Mexican Society of Oncology (SMEO).

Dr. Cemalettin Aydin is a professor of general surgery at Medipol Acibadem District Hospital in Istanbul. He specializes in gastroenterology surgery and complex weight loss procedures. He completed a prestigious fellowship in gastroenterology surgery at the Türkiye High Specialization Hospital.

• Performs advanced bariatric surgeries including gastric bypass and sleeve gastrectomy.
• Treats complex gastrointestinal conditions such as pancreatitis, Crohn's disease, and cirrhosis.
• Expert in endoscopic sleeve gastroplasty (ESG) and laparoscopic anti-reflux surgery.
• Works at Medipol Acibadem, a JCI-accredited facility using the da Vinci robotic system.

Dr. Halil Alis is a gastrointestinal and laparoscopic surgeon at Valued Med Hub Hospitals. He specializes in bariatric surgery, colorectal procedures, and metabolic management. Dr. Alis focuses on minimally invasive techniques for obesity and digestive system disorders. He practices at a clinic holding the International Health Tourism Authorization Certificate from Turkey.

• International member of the European Association for Endoscopic Surgery (EAES).
• Performs complex procedures including Whipple surgery and gastric sleeve gastrectomy.
• Maintains membership in the International Federation for the Surgery of Obesity (IFSO).
• Published research on hepatobiliary diseases and pancreatic conditions in peer-reviewed journals.

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. Kittipanyaworakul specializes in gastroenterology at Navamin 9 Hospital. He is dual-certified in internal medicine and liver health.

• Holds a diploma in gastroenterology from Mahidol University – a top Thai medical school
• Expert in hepatology – focuses on the diagnosis and treatment of liver diseases
• Trained at Chulalongkorn Memorial Hospital under the Thai Red Cross Society
• Performs colonoscopy procedures to screen for colon cancer and digestive issues
• Certified by the Faculty of Medicine at Ramathibodi Hospital

Dr. Gokhan Yilmaz is a general surgeon at Medipol University Pendik Hospital in Istanbul. He specializes in colorectal, gastrointestinal, and bariatric surgery. Dr. Yilmaz previously served as an Assistant Professor at Istanbul Medipol University. He trained at Okmeydanı Training and Research Hospital, a top Turkish medical institution.

• Performs complex procedures like gastric sleeve, gastric bypass, and gastric balloon.
• Treats conditions including inguinal hernias, pancreatic cysts, and fibrocystic breast disease.
• Conducted surgical research and trained new surgeons as a university faculty member.
• Works at a facility that earned 95.4 out of 96.4 points for healthcare quality.

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.

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. Rana Niftaliyeva is an oncologist-mammologist at the Biological Medicine Integrative Health Center in Baku. She specializes in breast cancer treatment and precancerous mammary gland diseases. Dr. Niftaliyeva has participated in medical conferences across Azerbaijan, Germany, and Turkey. She focuses on integrative approaches to cancer care.

• Treats large breast cysts using non-surgical aspiration techniques.
• Provides mistletoe therapy and high-dose vitamin C cancer treatments.
• Manages side effects of chemotherapy and radiation through supportive care.
• Performs biopsies and hormonal therapy for various oncological conditions.

Dr. Kanticha Thammagul is a general practitioner at PrimeCare Bangkok. She focuses on longevity health and lifestyle medicine. Dr. Thammagul earned her medical degree from Ramathibodi Hospital at Mahidol University. She is currently researching anti-aging and regenerative medicine at Dhurakij Pundit University.

• Specializes in diagnostic laparoscopy and comprehensive health screenings.
• Performs executive check-ups, hormone management, and preventive testing.
• Treats patients at a facility with referral links to Bumrungrad Hospital.
• Provides bilingual care for international patients in English and Thai.