Best Colonoscopy Doctors Abroad

Dr. Selin Kapan is a general surgery professor at İstinye University Liv Hospital Topkapı. She specializes in gastrointestinal surgery and laparoscopic hernia repair. Dr. Kapan has published over 50 peer-reviewed papers in international medical journals. Her research focuses on perianal fistulas and hepatic hydatid disease.

• Performs bariatric procedures including gastric sleeve and bypass surgeries.
• Expert in hernia repair using laparoscopic and robotic techniques.
• Treats complex conditions like salivary gland tumors and pilonidal disease.
• Is a member of the Turkish Surgical Association and the Hernia Society.

Dr. Hamdi Levent Doganay is a professor and gastroenterologist at VM Medical Park Pendik Hospital. He serves on the board of the Turkish Liver Research Association. Dr. Doganay is an editor for major journals like the World Journal of Hepatology. He treats complex conditions including cirrhosis and ulcerative colitis at this JCI-accredited hospital.

• Recipient of the Gilead Fellowship Award for liver research.
• Winner of multiple national awards for achievements in viral hepatitis and proteomics.
• Member of the European and American associations for liver research.
• Performs gastroscopy, colonoscopy, and surgical removal of gastrointestinal polyps.

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at Liv Hospital Topkapı. He specializes in treating colon, breast, gastric, and lung cancers. He previously served as the Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital. Dr. Atci is a member of the American Society of Clinical Oncology (ASCO).

• Author of 19 peer-reviewed papers on gastrointestinal, thoracic, and endocrine cancers.
• Published studies on survival outcomes for stage IIB colon cancer in the Journal of Chemotherapy.
• Researches prognostic biomarkers using PET/CT scans and metabolic tumor volume.
• Treats complex oncological cases at the university-affiliated İstinye University clinic.

The doctor holds a Doctor of Medicine degree from the Faculty of Medicine, Ramathibodi Hospital, Mahidol University, earned in 2022. The professional practice is centered on general disease diagnosis, treatment, and comprehensive wellness care.

The doctor maintains specialized credentials, including certification in Anti-aging and Regenerative Medicine from the American Board of Antiaging and Regenerative Medicine (ABAARM), as well as certification in Nutritional Wellness from the American Naturopathic Certification Board (ANCB). The doctor is proficient in both Thai and English.

Dr. Omer Burcak Binicier is a gastroenterologist at Medicalpoint International Hospital in Izmir. He focuses on early-stage gastrointestinal cancers and inflammatory bowel diseases. Dr. Binicier completed international training at the Korea University Faculty of Medicine. He treats complex liver, pancreatic, and digestive system disorders using manual and robotic-assisted techniques.

• Performs therapeutic endoscopy including EMR, ESD, and ERCP.
• Provides minimally invasive obesity treatments like intragastric balloons.
• Expert in endoscopic ultrasound for precise digestive tract imaging.
• Practices at JCI-accredited Medicalpoint International Hospital.

Dr. Ercan Ozden is a medical oncologist and internal medicine specialist at VM Medical Park Pendik. He provides treatment for a wide range of cancers, including breast, lung, and colon cancer. Dr. Ozden trained at Istanbul University, Cerrahpasa Faculty of Medicine. He later completed a medical oncology subspecialty at Kocaeli University.

• Specializes in immunotherapy, target therapy, and chemotherapy for complex cases.
• Treats patients at a JCI-accredited hospital in Istanbul.
• Performs staging and biopsies for liver, lung, and pancreatic tumors.
• Provides targeted immunotherapy using medications like Keytruda.

Dr. Seymur Aslanov is a gastroenterologist at Medicalpoint International Hospital in İzmir. He completed his subspecialty training at Ege University. Dr. Aslanov treats inflammatory bowel diseases, liver disorders, and digestive system cancers. He is a member of the Izmir Medical Chamber.

• Performs ERCP and endoscopic procedures to treat biliary tract diseases.
• Treats Crohn's disease and ulcerative colitis using stem cell therapy.
• Surgical expertise includes endoscopic polypectomy and stenting for gastrointestinal stenosis.
• Works at a JCI-accredited hospital with ISO and TEMOS quality certifications.

Dr. José Miguel Esteban Lopez-jamar is a pioneer in ecoendoscopy in Spain. He currently heads the Digestive Endoscopy Unit at Hospital Ruber Internacional.

• Specializes in advanced digestive endoscopy for both diagnostic and interventional needs
• Expert in early cancer detection and Barrett’s esophagus screening during colonoscopy
• Former Head of Endoscopic Innovation at Hospital Clínico San Carlos in Madrid
• Completed international clinical training in Amsterdam, Marseille, and Shanghai
• Member of the European Society of Gastrointestinal Endoscopy (ESGE)

Dr. Alon Pikarsky is a board-certified surgeon at Hadassah Medical Center. He specializes in rectal resections and colon cancer diagnostics.

• Directs the surgical residency and medical student programs at Hadassah Medical Center
• Performs colonoscopy and surgical oncology procedures for complex bowel disorders
• Uses the Da Vinci Robotic System for high-precision minimally invasive surgeries
• Consults for digestive system cancers including esophageal and rectal cancer
• Board-certified senior specialist at an institution performing 35,000 surgeries annually

Dr. Sanchez Yague is a gastroenterologist at Quirónsalud Marbella in Spain. He was the first professional globally to use the 15-mm AXIOS stent. This device drains pancreatic fluid collections. He pioneered submucosal endoscopic dissection in Spain. Dr. Sanchez Yague also introduced gastroenteroanastomosis with luminal apposition stents to Andalusia.

• Fellow of the American College of Gastroenterology (FACG).
• Fellow of the American Society for Gastrointestinal Endoscopy (FASGE).
• Coauthored European Society of Gastrointestinal Endoscopy guides on chronic pancreatitis.
• Winner of the Top Reviewer Award from the Gastrointestinal Endoscopy Journal.

The doctor is a highly trained general surgeon with extensive expertise in advanced laparoscopic techniques. Having completed medical education at Ondokuz Mayıs University in 1991 and specialization at KTÜ Faculty of Medicine Farabi Hospital in 1998, the doctor has pursued rigorous post-graduate training at prestigious institutions. This includes specialized certifications in laparoscopic surgery, laparoscopic antireflux procedures, and advanced bariatric surgery.

Furthermore, the doctor possesses significant clinical experience in morbid obesity management and oncological cancer surgery, having completed advanced training at Istanbul University Cerrahpaşa Faculty of Medicine. The doctor focuses on minimally invasive surgical interventions to improve patient outcomes in complex general surgery cases.

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. Yahya Ozel is a general surgeon at Estexper Clinic in Istanbul. He has performed over 12,000 procedures during his career. Dr. Ozel specializes in bariatric, metabolic, and oncological surgery. He completed training at Tokyo University Hospital in Japan. This training focused on complex liver and pancreatic surgery.

• Performed over 5,000 bariatric and 2,500 metabolic surgeries.
• Placed more than 4,000 gastric balloons for weight loss.
• Treats gastrointestinal cancers, including stomach, colon, and liver cancer.
• Holds the Turkish Surgical Proficiency Certificate.

Dr. Yaacov Lawrence is the Chair of Radiation Oncology at Sheba Medical Center. He specializes in precision radiation therapy and neuro-oncology. Dr. Lawrence pioneered celiac plexus radiosurgery for pancreatic cancer pain management. He holds the FASTRO designation, one of the highest honors in his specialty.

• Leads the Gastrointestinal Cancer Program at Sheba Medical Center.
• Performs stereotactic radiosurgery for brain tumors and nervous system cancers.
• Authored over 280 scientific publications on personalized radiation protocols.
• Completed radiation oncology fellowship training at Thomas Jefferson University.

Dr. Jair Bar is a thoracic oncologist and Deputy Director of the Cancer Center at Sheba Medical Center. He specializes in treating advanced non-small cell lung cancer using personalized immunotherapy and targeted treatments. Dr. Bar holds a PhD in Molecular Biology and leads a research lab focused on immunotherapy resistance.

• Chair of the Israel Lung Cancer Group.
• Board-certified in both Medical Oncology and Radiotherapy Oncology.
• Treats patients at Sheba Medical Center, a top-10 globally ranked hospital.
• Uses molecular and genetic profiling to create precise cancer treatment plans.

Dr. Raanan Berger is the Director of the Cancer Center at Sheba Medical Center. He was listed in Forbes Israel’s “Best Doctors” in 2025. Dr. Berger specializes in genitourinary oncology and radiates complex prostate tumors. He completed a postdoctoral fellowship at the Dana-Farber/Harvard Cancer Institute.

• Heads the clinical research unit focusing on molecular oncology.
• Co-authored over 20 peer-reviewed papers on prostate cancer and BRCA mutations.
• Member of the American Society of Clinical Oncology (ASCO).
• Performs systemic therapy and radiotherapy at a Top-10 globally ranked hospital.

Assoc. Prof. Priv.-Doz. Dr. Alexander W. Hauswirth is a specialist in internal medicine and haemato‑oncology at JUVENIS. Since 2010, he has served as the lead senior physician for Haematology/Haemostaseology and Oncology at the Clinic for Internal Medicine I, Medical University of Vienna/AKH Vienna, Austria’s largest hospital.

He earned his medical degree from the University of Vienna in 1999. He received the venia docendi in 2010 and was appointed Associate Professor in 2012. He completed an additional haemato‑oncology qualification in 2014. As a Schrödinger Fellow in Salamanca in 2009–2010, he researched CLL stem and precursor cells. He has published regularly since 2000.

Accreditations include Austrian Medical Chamber diplomas in emergency medicine (since 2009) and sports medicine (2018). Awards include the Schrödinger Fellowship (2009), the ÖGHO award (2009), and the European Society of Chemotherapy poster award (2003). Clinical focus: anaemias, leukaemias, lymph node disorders, clotting and anticoagulation, and pre‑operative clearance. Languages: German and English.