Best Gastroscopy with biopsy Doctors in Istanbul, Turkey — TOP 44

Professor Ahmet Melih Ozel leads gastroenterology services at Anadolu Medical Center. He specializes in advanced endoscopy to detect and treat complex digestive tract disorders.

• Performs gastroscopy with biopsy to identify inflammatory bowel diseases and gastric polyps
• Holds a fellowship from GATA Haydarpaşa Training Hospital in gastroenterology
• Former Professor of Gastroenterology at Maltepe University Faculty of Medicine
• Member of the European Society of Gastrointestinal Endoscopy (ESGE)
• Served as the Turkish Armed Forces Medical Attaché in Washington DC

Dr. Abdulcabbar Kartal holds a surgical endoscopy certificate and specializes in complex gastrointestinal conditions. He performs gastroscopy with biopsy at Anadolu Medical Center.

• Certified Fellow of the European Board of Surgery (FEBS-C)
• Completed advanced training in interventional endoscopic procedures and medical statistics
• Specializes in treating stomach, colon, and small intestine cancers
• Uses robotic and laparoscopic techniques for minimally invasive abdominal surgery
• Member of the European Society of Coloproctology and Turkish Surgical Society

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. Sezer Sağlam is a medical oncologist at Gayrettepe Florence Nightingale Hospital in Istanbul. He specializes in gastrointestinal oncology and the treatment of liver cancer. Dr. Sağlam was nominated for the International Best Researcher Award for his work on liver-transplanted patients. He has served as a professor of medical oncology since 2016.

• Member of the European Society for Medical Oncology (ESMO).
• Active member of the American Society of Clinical Oncology (ASCO).
• Member of the European Neuroendocrine Tumor Society (ENETS).
• Works at JCI-accredited facility with advanced PET-MRI and radiology departments.

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 endosurgery and oncology at Hisar Hospital Intercontinental. He uses gastroscopy with biopsy to ensure diagnostic precision for complex digestive disorders.

• Performs ESD to remove early-stage esophageal and gastric cancers during endoscopy
• Treats conditions like Barrett's esophagus and chronic gastric ulcers
• Won the Best Verbal Presentation Award at an international gastrointestinal cancer congress
• Published 25 research papers in local and global medical journals
• Experienced in treating inflammatory bowel diseases like Crohn's and ulcerative colitis

Dr. Merve Karli is a general surgeon at Hisar Hospital Intercontinental in Istanbul. She has performed over 1,000 operations for hernias, breast diseases, and anorectal conditions. Dr. Karli trained at Eskisehir Osmangazi University and Sadi Konuk Training and Research Hospital. She holds official certifications to perform endoscopic procedures.

• Specializes in laparoscopic and open hernia repair, including umbilical and incisional cases.
• Performs gastroscopy, colonoscopy, and PEG insertion for diagnostic and therapeutic needs.
• Treats benign anorectal diseases and manages complex breast disease cases.
• Works at Hisar Hospital, a JCI-accredited facility serving 500,000+ patients annually.

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 Omer Necip Aytug leads gastroenterology at Hisar Hospital Intercontinental. He performs gastroscopy with biopsy to identify digestive disorders and gastric polyps.

• Earned his professorship at Abant Izzet Baysal University – a top Turkish medical school
• Completed a specialized gastroenterology fellowship at Marmara University School of Medicine
• Expert in treating Barrett's esophagus and chronic inflammatory bowel diseases
• Actively publishes clinical findings in both Turkish and international medical journals
• Member of the medical faculty at Duzce University School of Medicine

Dr. Ayhan Erdemir is a general surgeon at the JCI-accredited Anadolu Medical Center. He uses gastroscopy with biopsy to diagnose stomach cancer and other complex digestive conditions.

• Assistant Professor at Maltepe University Medical School – helps train future surgeons
• Certified in robotic-assisted surgery for high precision during gastrointestinal procedures
• Completed specialized training in cytoreductive surgery for abdominal cancers
• Member of the Turkish Surgical Association with recertification in surgical qualifications
• Performs complex stomach cancer procedures alongside diagnostic evaluations

Professor Zulfikar Polat is a senior gastroenterologist at Anadolu Medical Center. He specializes in interventional endoscopic operations including gastroscopy with biopsy.

• Trained at Ankara Gulhane Military Medical Academy in internal medicine and gastroenterology
• Practices at a center affiliated with Johns Hopkins Medicine
• Member of the European Society of Gastrointestinal Endoscopy
• Authored 45 national and international medical publications
• Expert in hepato-pancreatology and inflammatory intestinal diseases

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. 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. 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.

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. Irfan Cicin is a Professor of Medical Oncology at İstinye University Liv Hospital Topkapı. He specializes in treating complex cancers, including glioblastoma, lung cancer, and pancreatic tumors. He serves as a professor at the Trakya University Faculty of Medicine. Dr. Cicin previously served as a physician in the Turkish Air Force.

• Performs systemic therapies such as immunotherapy, chemotherapy, and hormone therapy.
• Treats a wide range of conditions including gynecologic, orthopedic, and neuro-oncology cases.
• Expert in HIPEC and chemoembolization for liver and abdominal malignancies.
• Works at a 300-bed university hospital with 33 medical departments.

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at Liv Hospital Topkapı. He specializes in treating colon, breast, gastric, and lung cancers. He previously served as the Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital. Dr. Atci is a member of the American Society of Clinical Oncology (ASCO).

• Author of 19 peer-reviewed papers on gastrointestinal, thoracic, and endocrine cancers.
• Published studies on survival outcomes for stage IIB colon cancer in the Journal of Chemotherapy.
• Researches prognostic biomarkers using PET/CT scans and metabolic tumor volume.
• Treats complex oncological cases at the university-affiliated İstinye University clinic.

Dr. Selin Kapan is a general surgery professor at İstinye University Liv Hospital Topkapı. She specializes in gastrointestinal surgery and laparoscopic hernia repair. Dr. Kapan has published over 50 peer-reviewed papers in international medical journals. Her research focuses on perianal fistulas and hepatic hydatid disease.

• Performs bariatric procedures including gastric sleeve and bypass surgeries.
• Expert in hernia repair using laparoscopic and robotic techniques.
• Treats complex conditions like salivary gland tumors and pilonidal disease.
• Is a member of the Turkish Surgical Association and the Hernia Society.

Dr. Hamdi Levent Doganay is a professor and gastroenterologist at VM Medical Park Pendik Hospital. He serves on the board of the Turkish Liver Research Association. Dr. Doganay is an editor for major journals like the World Journal of Hepatology. He treats complex conditions including cirrhosis and ulcerative colitis at this JCI-accredited hospital.

• Recipient of the Gilead Fellowship Award for liver research.
• Winner of multiple national awards for achievements in viral hepatitis and proteomics.
• Member of the European and American associations for liver research.
• Performs gastroscopy, colonoscopy, and surgical removal of gastrointestinal polyps.