Gastric Ulcer Doctors Worldwide

Specializing in gastric ulcers with 14 years in gastroenterology – Dr. Binicier brings deep expertise in both diagnosis and advanced endoscopic treatments.

• Trained at Dokuz Eylül University, a leading institution for gastroenterology
• Expert in endoscopic mucosal resection (EMR) and other precision techniques
• Holds additional training from Korea University's Gastroenterology Department
• Currently practices at Medicalpoint International Hospital in Izmir

Specializes in laparoscopic surgery for gastric ulcers with advanced training from Istanbul University.

• Over 16 years of experience in general surgery
• Trained in laparoscopic antireflux surgery
• Expertise in laparoscopic bariatric and oncological cancer surgery

Dr. Yahya Ozel brings 31 years' surgical expertise in gastric and hepatobiliary conditions, trained at Tokyo University Hospital under top specialists.

• Specializes in minimally invasive techniques – including advanced laparoscopic procedures
• Board-certified with additional training in surgical endoscopy and robotic surgery
• Former faculty member at Dogus University, training future surgeons
• Holds Turkish Surgical Proficiency certification

Professor Doganay brings over 25 years of specialized gastroenterology experience, including leadership roles at top Turkish hospitals.

• Board-certified in gastroenterology with subspecialty training
• Former Clinic Chief at Ümraniye Training and Research Hospital
• Editor for multiple hepatology journals including World Journal of Hepatology
• Recipient of multiple research awards from Turkish Gastroenterology Association
• Member of European and Asian liver research associations

Dr. Cagdas Erdogan is an Associate Professor and gastroenterologist at Istinye University Liv Hospital Topkapi. He specializes in therapeutic endoscopy and inflammatory bowel disease. Dr. Erdogan has authored 40 publications in journals like Scientific Reports and Endoscopy. He treats complex conditions such as Crohn’s disease, ulcerative colitis, and liver cirrhosis.

• Performs specialized procedures including ERCP, EUS, EMR, and peroral endoscopic myotomy.
• Treats gastrointestinal conditions using techniques like endoscopic submucosal dissection.
• Uses double-balloon enteroscopy for diagnostic and therapeutic interventions.
• Applies stem cell therapy for patients with liver cirrhosis and ulcerative colitis.

Pioneer in Spain for submucosal endoscopic dissection – Dr Sanchez Yague introduced this advanced technique in Andalusia in 2011.

• 27 years' experience in gastroenterology
• First professional worldwide to use the 15-mm AXIOS stent
• Gold Medal recipient from Andalusian Society for Digestive Disease
• Fellow of both American College of Gastroenterology and American Society for Gastrointestinal Endoscopy

Dr. Auala Hubert leads the Gastrointestinal Cancer Center at Hadassah Medical Center with 36 years of oncology expertise.

• Specializes in Medical Oncology & Radiotherapy
• Head of Gastrointestinal Cancer Center
• Board-certified in Oncology & Radiotherapy
• Member of Israel Society of Clinical Oncology

Associate Professor Ferit Çelik specializes in advanced endoscopic treatments for digestive diseases at Bakırçay University Çiğli Training and Research Hospital.

• Trained at Ege University Gastroenterology Department
• Expert in endoscopic mucosal resection (EMR) for precise ulcer treatment
• Member of Turkish Gastroenterology Association's ERCP working group
• Performs diagnostic and therapeutic procedures including colonoscopy

Dr. Cheon Wonseok is Head of Gastroenterology at Na-Eun Hospital. He treats gastrointestinal disorders. He performs upper endoscopy, colonoscopy, polypectomy, and ESD. He manages gastric and esophageal cancer and Helicobacter pylori infection. He also treats liver disease and inflammatory bowel disease, including Crohn’s disease and ulcerative colitis. He offers small-bowel capsule endoscopy.

Accreditations: Board-certified specialist in gastrointestinal endoscopy. Lifetime member, Korean Society of Gastrointestinal Endoscopy. Full member, Korean Association of Internal Medicine.

Training: Kyung Hee University College of Medicine. Internship, Kyung Hee University Medical Center. Residency in internal medicine, Hallym University Sacred Heart Hospital. Clinical fellowship in gastroenterology, Chung-Ang University Hospital.

Dr. José Miguel Esteban Lopez-jamar is a pioneer of endoscopic ultrasound in Spain. He heads the Digestive Endoscopy and Digestive Diseases Units at Hospital Ruber Internacional. Dr. Lopez-jamar specializes in complex interventional endoscopy and minimally invasive treatments. He treats patients at a JCI-accredited hospital ranked among Spain’s top 6 medical centers.

• Served as the Head of Endoscopy at Hospital Clínico San Carlos.
• Completed specialized training at centers in Amsterdam, Marseille, and Shanghai.
• Expert in Barrett’s esophagus and endoscopic obesity treatments.
• Member of the European Society of Gastrointestinal Endoscopy (ESGE).

Dr. Premkamol Patraithikul is a general surgeon with advanced training in minimally invasive techniques. Dr. Patraithikul earned an M.D. from Khon Kaen University. Dr. Patraithikul completed a residency in general surgery at Thammasat University. Dr. Patraithikul completed a fellowship in laparoscopic surgery at Mahidol University (Siriraj Hospital) in Thailand.

Clinical expertise includes laparoscopic and robotic surgery. Practice also covers general surgery, obesity and weight‑management surgery, and surgery for gastrointestinal conditions.

Dr. Kim Taegyun is a gastroenterologist. He focuses on pancreatobiliary diseases and cancers, including pancreatitis, pancreatic cysts and cancer, cholecystitis, gallstones (cholelithiasis), and biliary tract cancer. He also performs advanced endoscopy, including ERCP. He treats gastrointestinal tumors, stomach and colon polyps, stomach cancer, and submucosal tumors (SMT).

Education and training: MD, Jeonbuk National University College of Medicine. MS in Medicine, University of Ulsan. Internship, Jeonbuk National University Hospital. Residency in Internal Medicine, Veterans Health Service Medical Center. Fellowships in Gastroenterology, Inje University Haeundae Paik Hospital and Asan Medical Center.

Career: Attending physician and specialist at Gwangju Veterans Hospital and the Veterans Health Service Medical Center.

Dr. Pak Seongjin is a gastroenterologist. He focuses on endoscopy and advanced procedures such as gastroscopy, colonoscopy, polypectomy, and ESD. He also treats digestive and liver diseases, including cirrhosis, pancreatitis, hepatitis, and Helicobacter pylori infection.

He earned his M.D. and M.S. in Internal Medicine from Chung-Ang University. He completed his internal medicine residency and a gastroenterology fellowship at Chung-Ang University Hospital.

He is a clinical professor at Gachon University College of Medicine and Inha University College of Medicine. He is a full member of the Korean Association of Internal Medicine, the Korean Society of Gastrointestinal Endoscopy, the Korean Gastroenterology Association, and the Korean Pancreatobiliary Association.

Dr. Song Hwayeong is a gastroenterologist. Areas of focus include gastrointestinal cancers (stomach and esophageal) and advanced endoscopy (gastroscopy, colonoscopy, ESD, and polypectomy). Dr. Song also treats digestive and liver diseases, including GERD, gastritis, hepatitis, H. pylori infection, and liver disease.

Dr. Song completed a fellowship in Gastroenterology at Inje University Ilsan Paik Hospital. Dr. Song has served as Clinical Professor at Inje, Gachon, and Inha University Colleges of Medicine. Dr. Song is Director of the Gastroenterology Center at Naeun Hospital.

Accreditations: full member of the Korean Association of Internal Medicine, the Korean Society of Gastrointestinal Endoscopy, and the Korean Gastroenterology Association. Doping Committee Member, WKBL.

Selected papers: cryptogenic hepatocellular carcinoma; primary biliary cirrhosis with overlap syndromes; therapy for lamivudine-resistant chronic hepatitis B; and clevudine in HBV-related cirrhosis.

Prof. Dr. Ahmet Omer Ozutemiz specializes in gastroenterology with over 47 years of experience, focusing on complex digestive system disorders.

• Trained at Ege University – a leading institution for gastroenterology
• Expert in endoscopic treatments for digestive system strictures
• Sub-specialist in liver and pancreas diseases
• Professor at Ege University with extensive academic contributions

Chief Physician. Director and Academic Leader of Gastroenterology at Hainan Provincial People's Hospital. MD and doctoral supervisor. Postdoctoral fellow in Switzerland and visiting scholar in the United States. Focus on diagnosis and personalized treatment of gastrointestinal (GI) tumors, especially neuroendocrine tumors, and precancerous lesions.

Principal investigator of four NSFC projects. Involved in about 30 national studies. Author of over 83 SCI-indexed papers, including 31 as first or corresponding author, with works in PNAS and Clinical Cancer Research. Recipient of the First Prize of the National Science and Technology Progress Award. Holder of five national patents. Contributor to six books (compilation or translation). Key member of the National Clinical Research Center and the National Key Laboratory of Cancer Biology. Holds standing roles in the Chinese Anti-Cancer Association (CACA). Member of the Chinese Medical Association (CMA) Gastroenterology branch and the Digestive Endoscopy collaborative group. Deputy Secretary‑General of the Oncology Branch of the Chinese Geriatrics Society.

Specializes in stomach diseases including gastric ulcers at Büyük Anadolu Hospitals.

• 15 years of experience in internal medicine
• Trained at Kocaeli Derince Training and Research Hospital
• Participated in Gastro Academy and Internal Medicine Congress
• Works at BAH International, a major healthcare provider

Specializes in treating diseases of the stomach and intestines, including gastric ulcers, with a focus on integrative biological medicine approaches.

• 17 years of clinical experience in gastroenterology
• Internship in viral hepatitis and gastroenterology at Ege University, Turkey
• Member of the medical team at Biological Medicine - Integrative Health Center
• Trained at Ankara Hacettepe Hospital

Dr. Kinas specializes in gastric cancer and related surgeries, bringing focused expertise to complex digestive conditions.

• Specializes in pancreatic and bile duct surgeries
• Experienced in bariatric and metabolic procedures
• Performs oncological surgeries for digestive cancers

Dr. Ferlitsch is a leading specialist in gastroenterology with multiple research awards and extensive training at top institutions.

• Completed medical studies at the University of Vienna with training at UCLA and University of Pennsylvania
• Specialized in gastroenterology and hepatology at Vienna General Hospital
• Established and managed the hepatic hemodynamics laboratory at the Medical University of Vienna
• Received multiple Best Abstract Awards from UEGW and other prestigious recognitions
• Head of the Department for Internal Medicine I at Hospital of the Barmherzigen Brüder Vienna