Best Gastroscopy with biopsy Doctors Worldwide — TOP 115

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

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

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.

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. 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. 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. 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. 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. Kittipanyaworakul is a double-certified specialist at Navamin 9 Hospital. He performs gastroscopy with biopsy to evaluate digestive and liver health.

• Holds a diploma in gastroenterology and hepatology from Mahidol University
• Certified in internal medicine by Chulalongkorn Memorial Hospital
• Specializes in treating both stomach and liver disorders
• Earned his medical degree from Chiang Mai University
• Expert in identifying digestive issues through endoscopic tissue sampling

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.

Dr. Andrej Orságh leads colorectal cancer screening for the Slovak Gastroenterological Society. He specializes in gastrointestinal oncology at the National Cancer Institute in Bratislava. Dr. Orságh chairs the society's Oncology Section and is vice-chair of its Endoscopy Section. He treats complex conditions like Barrett’s esophagus, pancreatitis, and ulcerative colitis.

• Serves as the national specialist consultant for colorectal cancer screening.
• Trains other physicians in basic and endoscopic techniques.
• Performs minimally invasive removal of gastric and duodenal polyps.
• Practices at Dr. GASTRO, a specialized center for early cancer detection.

Dr. Lubos Zitnan is a gastroenterologist at the National Cancer Institute in Bratislava. He specializes in the treatment of pancreatic and biliary diseases. Dr. Zitnan sits on the committee of the Slovak Gastroenterological Society. He holds several certifications in interventional and diagnostic endoscopy. He treats complex conditions like Barrett's esophagus and pancreatitis.

• Performs advanced ERCP and endosonography for bile duct disorders.
• Removes gastric and duodenal polyps using minimally invasive techniques.
• Certified in interventional colonoscopy and esophagogastroduodenoscopy.
• Treats gastrointestinal cancers, ulcerative colitis, and chronic gastritis.

Dr. Boris Pekárek heads the Gastroenterology Department at the National Cancer Institute in Bratislava. He specializes in the endoscopic treatment of early-stage gastrointestinal tumors. Dr. Pekárek is the current chair of the Endoscopy Section of the Slovak Gastroenterological Society. He focuses on removing lesions in the esophagus, stomach, colon, and rectum.

• Serves as a trainer of endoscopic techniques in Slovakia and abroad.
• Former chair of the Oncology Section of the Slovak Gastroenterological Society.
• Treats complex conditions like Barrett's esophagus and ulcerative colitis.
• Performs minimally invasive removal of gastric and duodenal polyps.

Dr. Daniela Osuská is a gastroenterologist at the National Cancer Institute in Bratislava. She serves on the supervisory board of the Slovak Gastroenterological Society’s Oncology Section. Dr. Osuská trains other physicians in endoscopic techniques. She specializes in the early detection and treatment of gastrointestinal cancers.

• Performs gastroscopy with biopsy and removal of gastric or duodenal polyps.
• Treats complex conditions like Barrett's esophagus, pancreatitis, and ulcerative colitis.
• Educates the medical community as a member of the Section of Young Gastroenterologists.
• Presents clinical research at professional conferences throughout Slovakia and abroad.

Dr. Juraj Letkovsky is a gastroenterologist at the National Cancer Institute in Bratislava. He specializes in the endoscopic diagnosis and treatment of digestive tract tumors. Dr. Letkovsky is a co-author of a multicenter study on colonoscopy quality in Slovakia. He also holds a PhD in internal medicine from Comenius University.

• Performs endosonography and ERCP for pancreatic and biliary diseases.
• Certified in both diagnostic and interventional esophagogastroduodenoscopy.
• Sits on the Oncology and Endoscopy committees of the Slovak Gastroenterology Society.
• Treats complex conditions like Barrett’s esophagus and ulcerative colitis.

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.