Best Gastroscopy with Biopsy Doctors Abroad

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. Osman Aktas is a general surgeon at Avicenna International Hospital in Istanbul. He completed laparoscopic surgery training in Germany. He specializes in oncological and metabolic surgeries. Dr. Aktas previously served as chief physician at several prominent military hospitals.

• Performs complex cancer surgeries like the Whipple procedure and colorectal resections.
• Treats obesity and diabetes using metabolic surgery techniques.
• Manages gastrointestinal tumors and obstructions through minimally invasive methods.
• Uses laser therapy for modern treatment of anal diseases.

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. Jaydeep Palep leads a center of excellence in gastrointestinal surgery. He specializes in advanced robotic techniques for conditions requiring gastroscopy with biopsy.

• Maintains a safety record where only 1% of patients experience significant procedure-related issues
• Trained in Italy and the USA to master robotic and minimally invasive surgery
• Specializes in treating Barrett's esophagus and gastric ulcers through advanced upper GI care
• Demonstrates complex surgical cases live at major international medical conferences
• Published multiple articles on metabolic surgery and robotic techniques in peer-reviewed journals

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. Holovyna Svitlana is a gastroenterologist and nutritionist at Sana Vita in Odesa. She specializes in restoring digestive health and managing metabolic disorders. She treats complex conditions like Crohn's disease, ulcerative colitis, and cirrhosis. Dr. Holovyna combines clinical therapy with evidence-based diet correction for better patient outcomes.

• Member of the European Association for the Study of the Liver (EASL).
• Belongs to the Association of Dietitians and Gastroenterologists of Ukraine.
• Treats gastrointestinal disorders, including gastritis, pancreatitis, and gastric ulcers.
• Performs high-precision diagnostics like gastroscopy with biopsy and colonoscopy.

Dr. Abu Shamsiya Rami Nuamanovych is a surgical oncologist and gastrointestinal specialist at Dievo Surgery Center. He serves as a consultant for the World Health Organization regarding laparoscopic procedures. Dr. Nuamanovych has performed thousands of surgeries, including bariatric and complex cancer operations. He is the President of the Association of Arab Doctors of Ukraine.

• Expertise in laparoscopic hernia repair and gallbladder removal.
• Performs bariatric procedures like gastric bypass and sleeve gastrectomy.
• Treats gastrointestinal cancers, including stomach, colon, and rectal tumors.
• Member of the International Federation for the Surgery of Obesity (IFSO).

Dr. Dimitrios Giannakakis is the Director of Gastroenterology at the German Medical Institute in Cyprus. He completed his medical training and specialization at the University of Giessen in Germany. Dr. Giannakakis previously served as the Deputy Director of Gastroenterology at Kreiskliniken Darmstadt-Dieburg.

• Specializes in interventional endoscopy, endoscopic ultrasound, and hepatology.
• Treats complex conditions like Barrett's esophagus, Crohn’s disease, and ulcerative colitis.
• Performs specialized procedures including duodenal and gastric polyp removals.
• Practices at a clinic holding multiple ISO and CHKS quality certifications.

Dr. Meryem Keceli Basaran is an Associate Professor and pediatric gastroenterologist at Biruni University Hospital. She specializes in digestion, hepatology, and nutrition for children. Dr. Basaran is a member of ESPGHAN, the European authority on pediatric gastroenterology. She manages gastrointestinal food allergies and inflammatory conditions like Crohn’s disease. She works at a TEMOS-accredited university hospital in Istanbul.

• Specializes in care before and after liver transplantation.
• Treats irritable bowel syndrome, celiac disease, and ulcerative colitis.
• Expert in managing chronic diarrhea, malabsorption, and faecal incontinence.
• Performs specialized diagnostic colonoscopies and gastroscopies with biopsy.

Dr. Siegbert Rossol is a Fellow of the European Board of Gastroenterology. He leads expert care at Nordwest Clinic in Frankfurt.

• Performs gastroscopy with biopsy to evaluate ulcers and Barrett's esophagus
• Specializes in interventional endoscopy to remove cancerous tissue without surgery
• Awarded the Alexander von Humboldt Scholarship for his scientific contributions
• Trained in advanced hepatology at King's College London
• Member of the American Association for the Study of Liver Diseases

Dr. Esra Demir is an internal medicine specialist at Medipol Acibadem District Hospital in Istanbul. She serves as a sub-investigator for major international clinical trials on Type 2 diabetes treatments. Dr. Demir specializes in managing irritable bowel syndrome, thyroid diseases, and diabetes lifestyle changes. She works at a JCI-accredited facility equipped with interventional radiology and robotic systems.

• Led research for cardiovascular outcomes of Semaglutide in diabetic patients.
• Assisted in the SCALE Insulin study for overweight patients with Type 2 diabetes.
• Treats metabolic conditions including anemia, vitamin deficiencies, and adrenal adenomas.
• Performs specialized treatments such as intravenous vitamin C therapy.

Associate Professor Ayse Irem Yasin is a fellowship-trained medical oncologist at Medipol Acibadem District Hospital. She specializes in gastrointestinal cancers where gastroscopy with biopsy is a vital diagnostic tool.

• Holds an ESMO Board Certificate from the European Society for Medical Oncology
• Completed a medical oncology fellowship at Bezmialem Vakif University
• Gained international clinical experience at Cleveland Clinic and Harvard Medical School
• Expertise includes diagnosing and treating adenocarcinomas and gastrointestinal malignancies

Dr. Omer Dogru is a pediatric hematologist and oncologist at Biruni University Hospital in Istanbul. He specializes in bone marrow transplantation and childhood cancer treatments. Dr. Dogru is an active member of the European Bone Marrow Transplantation (EBMT) society.

• Performs autologous, allogenic, and haploidentical stem cell transplantations for children.
• Treats childhood solid tumors including neuroblastoma, Ewing's sarcoma, and Wilms tumor.
• Served as an Assistant Professor in the Department of Pediatrics at Marmara University.
• Practices at Biruni University Hospital, a TEMOS-accredited facility in Turkey.

Dr. Turkan Ozturk Topcu is a clinical oncologist at Biruni University Hospital in Istanbul. She maintains professional ties with the MD Anderson Cancer Center in the USA. She specializes in the treatment of breast, lung, and gastrointestinal cancers. Dr. Topcu is a member of both ESMO and ASCO.

• Completed a fellowship at the Sunnybrook Odette Cancer Center Breast Clinic in Canada.
• Treats a wide range of conditions including liver, pancreatic, and gynecological cancers.
• Held clinical roles at major institutions like Moffitt Cancer Center in the USA.
• Works at Biruni University Hospital, a TEMOS-accredited facility in Turkey.

Dr. Atakan Topcu is a medical oncologist at Medipol Acibadem District Hospital in Istanbul. He specializes in treating solid tumors including lung, breast, and colorectal cancers. Dr. Topcu is an Associate Professor with over 50 peer-reviewed scientific publications. He sits on the Editorial Board of the medical journal BMC Cancer.

• Expertise in immunotherapy, targeted therapies, and geriatric oncology care.
• Treats cancer-related malnutrition, cachexia, and sarcopenia.
• Maintains active membership in the European Society for Medical Oncology (ESMO).
• Works at a JCI-accredited hospital specializing in advanced oncology treatments.

Career

2007Graduated from Nihon University School of Medicine

2007Nihon University School of Medicine Itabashi Hospital

2010Department of Gastroenterological Surgery, Showa Public Hospital

2011Department of Gastroenterological Surgery, Nihon University Nerima Hikarigaoka Hospital

2013Sakura General Hospital, Department of Gastroenterological Surgery

2015Vice Director of Jiyugaoka Medical Plaza

2021Chairman and Director of Medical Corporation HELENE

Affiliations and Certifications

Japanese Society of Gastroenterological Surgery

Gastroenterological Society

Society of Emergency Abdominal Surgery