Best Colonoscopy Doctors in Istanbul, Turkey — TOP 55

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.

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

General and laparoscopic surgeon with more than 10 years of specialist practice in bariatric and general surgery. Trained in General Surgery at the University of Tehran (2012–2016). Head of Hospital and Surgery, Arman International Hospital (2022–present). Previously led surgical units at International Hospital of Tabriz (2012–2016), Erfan Niayesh (2019–2022), and Tandis (2022–2024).

Member of IFSO (2020–present). Peer reviewer for the Journal of Clinical Medicine (2020–present) and the Journal of Obesity Science and Practice (2021–present). Publications from 2022 to 2023 on bariatric outcomes, metabolic health, and postoperative care. Advanced training includes the Pudong‑Duke minimally invasive bariatric surgery program (2017) and the Harvard Blackburn Course in Obesity Medicine (2020).

Dr. Emine Yildirim is an associate professor of general surgery at Atlas University Hospital, Istanbul. She specializes in surgical oncology with a focus on breast cancer treatment and reconstruction. Dr. Yildirim has published over 15 scientific articles in peer-reviewed journals like Academic Radiology. She holds multiple international certificates in breast cancer surgery and nipple-sparing techniques.

• Performs breast-conserving surgery, free flap reconstruction, and implant-based breast augmentation.
• Treats complex oncological conditions including thyroid, bladder, and colorectal cancers.
• Completed medical residency at Istanbul Haseki Health Application and Research Center.
• Works at AACI-accredited Atlas University Hospital, which treats 565,000 patients annually.

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 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. Suleyman Hilmi Aksoy is a radiologist at Hisar Hospital Intercontinental in Istanbul. He specializes in diagnostic radiology, teleradiology, and interventional radiology. Dr. Aksoy previously held an Assistant Professorship at the Istanbul University Radiology Department. He has contributed to 13 medical congresses with numerous oral and written presentations.

• Member of the European Society of Radiology and the International Society of Radiology.
• Holds certifications from the Turkish Society of Interventional Radiology.
• Performs diagnostic procedures like angiography, CT scans, and biopsies.
• Works at a JCI-accredited hospital that treats over 500,000 patients annually.

Professor Zulfikar Polat leads gastroenterology services at Anadolu Medical Center in affiliation with Johns Hopkins Medicine. He specializes in diagnostic and interventional colonoscopy for complex intestinal diseases.

• Holds a professorship at Istanbul Aydin University and trained at Gulhane Military Medical Academy
• Published 45 research works on gastroenterology in national and international medical journals
• Member of the European Society of Gastrointestinal Endoscopy which sets global procedural standards
• Specializes in hepato-pancreatology and treating chronic inflammatory intestinal diseases

Professor Omer Necip Aytug is a senior gastrointestinal surgeon who leads advanced diagnostic colonoscopy at Hisar Hospital Intercontinental.

• Earned a professorship at Abant Izzet Baysal University – one of Turkey's academic medical centers
• Completed a gastroenterology fellowship at Marmara University School of Medicine
• Specializes in treating complex inflammatory conditions like Crohn's disease and ulcerative colitis
• Performs therapeutic procedures including the removal of colorectal polyps to prevent cancer
• Authors scientific articles on digestive disorders for international medical journals

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. Ayhan Erdemir is a general surgeon at the JCI-accredited Anadolu Medical Center. He specializes in treating gastrointestinal disorders and sigmoid adenocarcinoma through advanced diagnostic and surgical procedures.

• Performed colonoscopy for cancer screening and gastrointestinal disorders for over 15 years
• Assistant Professor rank at Maltepe University – one of Turkey's academic medical schools
• Certified in da Vinci robotic surgery for high-precision abdominal operations
• Specializes in cytoreductive surgery to treat tumors within the abdominal cavity
• Member of the Surgical Oncology Society with specialized HIPEC training

Dr. Ozlem Ozer Chakir is a gastroenterologist at Istanbul Florence Nightingale Hospital. She was named a Rising Star at the 10th Digestive Disease and Endoscopy Symposium. Her expertise covers complex liver diseases, Crohn's disease, and Barrett's esophagus. Dr. Chakir treats patients at Turkey's first JCI-accredited smart-and-green hospital.

• Holds certificates in bariatric endoscopy from Brazil and endoscopy from South Korea.
• Maintains membership in the European Society of Gastrointestinal Endoscopy.
• Specializes in ERCP as a member of the Turkish Society of Gastroenterology study group.
• Treats gastrointestinal polyps and ulcerative colitis using modern diagnostic tools.

Dr. Tahsin Ozadli is a medical oncologist at Valued Med Hub Hospitals in Istanbul. He specializes in the treatment of lung, breast, and gastrointestinal cancers. Dr. Ozadli holds a specialization from the Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital. He works at a center authorized by the Turkish government for international health tourism.

• Administers immunotherapy, targeted therapy, and chemotherapy for multiple cancer types.
• Treats complex conditions including sarcoma, medulloblastoma, and nasopharyngeal cancer.
• Performs diagnostic procedures including liver biopsies, thyroid biopsies, and cancer screenings.
• Utilizes PET/CT and MRI for precise abdominal and pelvic tumor tracking.

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. Shencan Acar is a gastroenterologist at Istanbul Florence Nightingale Hospital. She focuses on hepatology and liver disease management. Dr. Acar specializes in inflammatory bowel diseases like Crohn’s and ulcerative colitis. She previously served as the Head of Department at Giresun University Faculty of Medicine.

• Authored over 20 international peer-reviewed articles.
• Expert in managing complex post-transplant gastrointestinal complications.
• Treats rare conditions like aortoesophageal fistulas and massive hemorrhagic ascites.
• Performs endoscopic interventions for acute gastrointestinal bleeding.

Dr. Saban Sec is a medical oncologist at Valued Med Hub Hospitals in Istanbul. He treats breast, lung, gastrointestinal, and rare tumors. Dr. Sec currently represents specialist physicians in the Turkish Medical Oncology Association. He conducted a significant clinical study involving 138 patients with HER2-positive gastric cancer.

• Expertise covers colorectal, prostate, urogenital, head, neck, and salivary gland cancers.
• Authored over 10 peer-reviewed articles on cancer prognosis and survival rates.
• Member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.
• Treats patients at a clinic holding the International Health Tourism Authorization Certificate.

Dr. Benal Buyukgebiz is a pediatrician and gastroenterology specialist at Istanbul Florence Nightingale Hospital. She served as the Chair of the Department of Pediatrics at Yeditepe University. Dr. Buyukgebiz treats complex digestive conditions in children, including Crohn's disease and ulcerative colitis. She works at a JCI-accredited facility that treats 300,000 patients every year.

• Former President of the Phenylketonuria Children Screening and Protection Association, İzmir Branch.
• Maintains membership in the European Metabolic Group and the Liver Research Society.
• Specializes in pediatric nutrition and the management of chronic gastritis and cirrhosis.
• Performs diagnostic procedures including gastroscopy with biopsy and colonoscopy.