Gastric Ulcer Doctors Worldwide

Dr. Ana Isabel Romero Reina is a gastroenterologist at Publio Cordón Memorial Hospital in Madrid. She treats chronic digestive conditions such as Crohn's disease and Barrett's esophagus. She manages gastric ulcers and gastritis at a JCI-accredited facility.

The clinic has more than 110 specialists and meets European medical standards. Dr. Romero Reina treats gastrocele and other complex gastrointestinal disorders. The hospital maintains international quality certifications and specialized GI infrastructure.

Prof. Dr. Musa Aydınlı is an internal medicine specialist and gastroenterologist. He completed his MD at Hacettepe University in 1997. He finished internal medicine training in 2003 and gastroenterology training in 2007 at the same institution. He worked at Kayseri Training and Research Hospital from 2007 to 2009. He served in the Gastroenterology Department at Gaziantep University from 2009 to 2014. He became an associate professor in 2012 and a professor in 2020. He joined Gülhane Training and Research Hospital in 2022. He now practices at Private Koru Ankara Hospital.

Clinical focus: GERD; dyspepsia, gastritis, and Helicobacter pylori; peptic ulcer disease; celiac disease; IBS and IBD (ulcerative colitis, Crohn’s disease); colon polyps; colorectal and upper GI cancers; liver disease (fatty liver, chronic hepatitis, cirrhosis, portal hypertension); hepatobiliary and pancreatic disorders and cancers. Procedures: EGD, rectosigmoidoscopy, and colonoscopy; biopsy, polypectomy, and endoscopic mucosal resection; hemostasis and APC; dilation and stent placement; PEG; ERCP; EUS-guided biopsy.

Prof. Dr. İbrahim Doğan is a gastroenterologist. He earned his MD from Ankara University Faculty of Medicine in 1991. He became an Internal Medicine specialist at Gazi University in 1996. He completed gastroenterology subspecialty training at İnönü University in 2001.

His academic career was at Gazi University. He served as Lecturer (2002), Assistant Professor (2003), Associate Professor (2007), and Professor (2012). He worked as a researcher at the University of California San Diego from 2004 to 2006. He has practiced at Koru Hospital since January 2023.

Clinical focus includes gastroesophageal reflux, irritable bowel syndrome, constipation, gastroparesis, achalasia, bloating, gas and belching, fecal incontinence, ulcerative colitis, and Crohn’s disease. He performs ERCP, stent placement, balloon and bougie dilation, polypectomy, argon plasma coagulation, double-balloon enteroscopy, and bleeding control.

Dr. Letkovsky specializes in advanced endoscopic diagnosis and treatment of digestive tract conditions at the National Cancer Institute.

• Board-certified gastroenterologist with a PhD in Internal Medicine
• Expert in endosonography and ERCP for pancreas and bile duct diseases
• Active member of multiple Slovak Gastroenterology Society sections
• Co-author of a national study on colonoscopy quality

Specialized in gastroenterology since 2021 – Daniela Osuská performs endoscopies and works at the National Cancer Institute.

• Member of the supervisory board of the Oncology Section of the Slovak Gastroenterological Society
• Trained endoscopic techniques and shares expertise internationally
• Over a decade of experience in internal medicine and gastroenterology

Specializes in gastroenterology with extensive experience in diagnosing and treating gastric ulcers at the National Cancer Institute.

• Graduated from Comenius University in Bratislava
• Member of the Oncology Section of the Slovak Gastroenterological Society
• Certified in Diagnostic and Interventional Esophagogastroduodenoscopy
• Performs endosonography and ERCP for pancreatic and bile duct diseases

Dr. Tsios provides personalized care for gastric ulcers, focusing on comprehensive treatment plans and long-term health monitoring.

• Treats a wide range of gastrointestinal conditions
• Emphasizes preventive care and patient education
• Coordinates with specialists for holistic treatment

Prof. Nihat Okcu specializes in gastroenterology with extensive research on gastric ulcers and Helicobacter pylori at Pendik Medipol University Hospital.

• Over 27 years of experience in gastroenterology
• Published multiple studies on gastric ulcers and Helicobacter pylori
• Expert in endoscopic procedures for upper gastrointestinal issues
• Member of Turkish Gastroenterology Association

Dr. Saygili Ozlem is a gastroenterologist at Medicana Sivas Hospital in Turkey. She treats digestive conditions including Crohn's disease, ulcerative colitis, and cirrhosis. Dr. Ozlem performs procedures such as gastric and duodenal polyp removals. She works at Medicana Sivas, a facility that treats over 113,000 patients annually.

• Treats chronic gastritis and pancreatitis.
• Performs endoscopic removal of gastrointestinal tract polyps.
• Manages gastric ulcers and cholelithiasis.
• Practices at a hospital with 219 beds and 86 medical specialists.

Dr. Abdulkerim Yilmaz is a gastroenterologist at Medicana Sivas Hospital in Turkey. He treats digestive conditions including cirrhosis, Crohn's disease, and pancreatitis. Dr. Yilmaz performs endoscopic procedures to remove polyps from the stomach and duodenum.

He works at Medicana Sivas, a facility that treats over 110,000 patients annually. The hospital has 219 beds and a department for gastrointestinal care. Dr. Yilmaz manages chronic inflammatory bowel diseases like ulcerative colitis and Barrett's esophagus. He also treats gastric issues such as ulcers, gastritis, and gallstones.

Dr. Sarikaya specializes in gastroenterology with a focus on gastric ulcers at Medipol Bahçelievler Hospital.

• Published multiple research papers on gastrointestinal conditions
• Trained at Medipol University in gastroenterology
• Experienced in both clinical and academic settings

Ezgi Sevic specializes in nutrition for chronic diseases, including gastric ulcers, with a focus on diet-based management and prevention.

• Graduated as an honor student from Hacettepe University
• Trained in bariatric nutrition and obesity-related studies
• Worked in oncology, pediatric, and adult nutrition at top hospitals
• Advanced English language skills for international patients

Dr. Erol Cakmak is a gastroenterologist at Medicana Sivas Hospital in Turkey. He treats digestive conditions, including Crohn’s disease, ulcerative colitis, and cirrhosis. Dr. Cakmak performs endoscopic procedures such as gastric and duodenal polyp removals.

He works at Medicana Sivas, a facility that treats over 113,700 patients annually and has 219 beds. Dr. Cakmak also treats patients with Barrett's esophagus, pancreatitis, and chronic gastritis. He manages biliary tract issues, including cholelithiasis and gastrocele.