Specialist in advanced laparoscopic and gastric surgery with training at renowned Istanbul University hospitals.
WHO expert in pediatric digestive conditions – Dr. Reif develops international treatment protocols and heads Hadassah's pediatric department.
Professor Safadi is a leading liver disease expert at the prestigious Hadassah Medical Center. He's also a specialist in treating gastritis, the common stomach inflammation.
Dr. Ferlitsch is a leading specialist in gastroenterology with multiple awards for his research. He heads the Department for Internal Medicine I at the Hospital of the Barmherzigen Brüder Vienna.
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.
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.
Dr. Schoppmann leads the Gastroesophageal Tumor Unit at Vienna's Comprehensive Cancer Center – one of Europe's top oncology hubs.
Dr. Mete Gülpınar is an Internal Medicine Specialist at Optimed International Çorlu Hospital. He has over 20 years of hospital and ICU experience. He manages acute and chronic diseases.
Education and accreditation: Gazi University Faculty of Medicine graduate. Completed Internal Medicine training at SSK Ankara Training and Research Hospital (1999–2003). Certified in ozone therapy, mesotherapy, dialysis, specialized clinical treatments, and emergency care.
Career highlights include service at Aksaray State Hospital, Beypazarı State Hospital, Sudan Turkish Hospital, and 29 Mayıs State Hospital. He joined Optimed in 2025. Clinical focus includes ICU management and infectious diseases. He also treats systemic disorders: endocrinology (insulin resistance, thyroid disease, obesity), nephrology (kidney disease and failure), rheumatology, hypertension, hyperlipidemia, gastrointestinal disorders, anemia, vitamin deficiencies, and fatty liver.
Prof. Dr. Ahmet Omer Ozutemiz brings over 47 years of specialized gastroenterology expertise, with focused experience in stomach and digestive system diseases.
Dr. Safarov specializes in stomach and intestinal diseases, with training from leading institutions in Azerbaijan and Turkey.
Specializes in liver and gastrointestinal diseases, including gastritis, at Biological Medicine - Integrative Health Center Baku.
Specializes in gastric cancer and other complex digestive surgeries at Büyük Anadolu Hospitals.
Specializing in gastroenterology for over 24 years, Dr. Tülin Kendir Koçak brings deep expertise in gastritis and digestive health at Emsey Hospital.
Dr. Ismail Buyukcayir is a plastic surgeon at the Istanbul Aesthetic Plastic Surgery Center in Turkey. He performs body contouring and facial rejuvenation procedures, including Vaser liposuction, rhinoplasty, and Brazilian Butt Lifts. Dr. Buyukcayir also treats gynecomastia and performs mommy makeovers.
The doctor works at a facility that treats 5,000 patients every year and holds the International Health Tourism Authorization Certificate from the Turkish government. Dr. Buyukcayir uses ultrasonic rhinoplasty and Vaser technology for high-definition body sculpting. He also performs revision surgeries and functional procedures like septoplasty.
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Dr. Bilgic specializes in gastroenterology with advanced training in endoscopy – including ERCP procedures studied in South Korea and Germany.
Associate Professor Cemalettin Aydin specializes in gastroenterology surgery with fellowship training at Türkiye High Specialization Hospital.
Specializes in gastroenterology surgery with 17 years of experience – Dr. Hacim performs advanced laparoscopic procedures at Erdem Hospital.
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