
Dr. Zeynel Mungan
Medical Gastroenterologist
- Dr. Zeynel Mungan is a gastroenterologist with 38+ years of experience.
- His clinical interest includes Reflux Disease, Helicobacter pylori and gastric diseases, gastrointestinal motility, Functional bowel diseases, inflammatory bowel diseases, Liver diseases, Endoscopy and more.
- He has organized numerous local and international gastroenterology congresses and graduation meetings.
- He has authored more than 300 articles that were published in national and international journals, book chapters, and his studies were cited by international investigators.
- Dr. Zeynel graduated from Istanbul University, Istanbul in 1977, completed a residency in internal medicine from Istanbul University, Istanbul in 1981 and fellowship in gastroenterology from Istanbul University, Istanbul in 1988.
- He is a fellow of the European Board of Gastroenterology and fellow of the American College of Gastroenterology.
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- Dr. Zeynel Mungan is a gastroenterologist with 38+ years of experience.
- His clinical interest includes Reflux Disease, Helicobacter pylori and gastric diseases, gastrointestinal motility, Functional bowel diseases, inflammatory bowel diseases, Liver diseases, Endoscopy and more.
- He has organized numerous local and international gastroenterology congresses and graduation meetings.
- He has authored more than 300 articles that were published in national and international journals, book chapters, and his studies were cited by international investigators.
- Dr. Zeynel graduated from Istanbul University, Istanbul in 1977, completed a residency in internal medicine from Istanbul University, Istanbul in 1981 and fellowship in gastroenterology from Istanbul University, Istanbul in 1988.
- He is a fellow of the European Board of Gastroenterology and fellow of the American College of Gastroenterology.

Dr. Nefise Barlas Ulusoy
Medical Gastroenterologist
- Dr. Nefise Barlas Ulusoy is a gastroenterologist with 38+ years of experience.
- She has received certificates from the American Board of Internal Medicine (in 1977), Michigan State Health Professional License (in 1978) and American Board of Gastroenterology (in 1979).
- She was granted the Science Award by Istanbul Office of the Turkish Medical Association for her scientific investigations and articles in Gastroenterology in 1999.
- Her clinical interest includes inflammatory bowel diseases, diseases of the pancreas and liver, diseases of the brain and digestive system.
- Dr. Nefise graduated from Istanbul University, Istanbul in 1973, completed a residency in internal medicine from The Genesee Hospital, New York, USA in 1977 and fellowship in gastroenterology from the University of Michigan, USA in 1979.
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- Dr. Nefise Barlas Ulusoy is a gastroenterologist with 38+ years of experience.
- She has received certificates from the American Board of Internal Medicine (in 1977), Michigan State Health Professional License (in 1978) and American Board of Gastroenterology (in 1979).
- She was granted the Science Award by Istanbul Office of the Turkish Medical Association for her scientific investigations and articles in Gastroenterology in 1999.
- Her clinical interest includes inflammatory bowel diseases, diseases of the pancreas and liver, diseases of the brain and digestive system.
- Dr. Nefise graduated from Istanbul University, Istanbul in 1973, completed a residency in internal medicine from The Genesee Hospital, New York, USA in 1977 and fellowship in gastroenterology from the University of Michigan, USA in 1979.

Dr. Feryal Ilkova
Medical Gastroenterologist
- Dr. Feryal İlkova is a gastroenterologist with 33+ years of experience.
- Her clinical interests include Inflammatory Bowel Diseases, Liver diseases, Diagnostic and therapeutic endoscopy and colonoscopy, Diseases of biliary tree, ERCP, capsule endoscopy, enteroscopy, stent implantation for gastrointestinal stenosis, diagnosis and treatment of gastroesophageal reflux disease.
- She is a member of the Turkish Society of Gastroenterology.
- She also established the Gastroenterology Division at Memorial Hospital in 2000.
- Dr. Feryal graduated from Istanbul University, Istanbul in 1989, completed residency in internal medicine from Istanbul University, Istanbul in 1995, fellowship in gastroenterology from Istanbul University, Istanbul in 1999 and Baylor College of Medicine, Texas in 1998.
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- Dr. Feryal İlkova is a gastroenterologist with 33+ years of experience.
- Her clinical interests include Inflammatory Bowel Diseases, Liver diseases, Diagnostic and therapeutic endoscopy and colonoscopy, Diseases of biliary tree, ERCP, capsule endoscopy, enteroscopy, stent implantation for gastrointestinal stenosis, diagnosis and treatment of gastroesophageal reflux disease.
- She is a member of the Turkish Society of Gastroenterology.
- She also established the Gastroenterology Division at Memorial Hospital in 2000.
- Dr. Feryal graduated from Istanbul University, Istanbul in 1989, completed residency in internal medicine from Istanbul University, Istanbul in 1995, fellowship in gastroenterology from Istanbul University, Istanbul in 1999 and Baylor College of Medicine, Texas in 1998.

Dr. Emin Yekta Kisioglu
Medical Gastroenterologist
- Dr. Emin Yekta Kişioğlu is a gastroenterologist with 29+ years of experience.
- He graduated from Anadolu University, Eskişehir in 1985, completed a residency in internal medicine from Anadolu University, Eskişehir in 1991 and fellowship in gastroenterology from Osmangazi University, Eskişehir in 1997.
- Dr. Emin is a member of the Istanbul Medical Chamber.
- He has penned many publications in national and international journals.
- His areas of expertise include Crohn’s Disease, Ulcers and polyps in the digestive tract, low mobility in the stomach, esophagus, or intestines, GERD and other reflux issues.
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- Dr. Emin Yekta Kişioğlu is a gastroenterologist with 29+ years of experience.
- He graduated from Anadolu University, Eskişehir in 1985, completed a residency in internal medicine from Anadolu University, Eskişehir in 1991 and fellowship in gastroenterology from Osmangazi University, Eskişehir in 1997.
- Dr. Emin is a member of the Istanbul Medical Chamber.
- He has penned many publications in national and international journals.
- His areas of expertise include Crohn’s Disease, Ulcers and polyps in the digestive tract, low mobility in the stomach, esophagus, or intestines, GERD and other reflux issues.
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Dr. Kasim Kazbay
Medical Gastroenterologist
- Dr. Kasım Kazbay is a gastroenterologist with 20+ years of experience.
- He was granted the TUBITAK Medical Investigation Award in 1986 and received Sedat Simavi Medicine Award in 1995.
- He has conducted various investigations with TUBITAK NATO Overseas Doctorate Scholarship.
- Dr. Kasım is a member of the American Gastroenterological Association.
- He is a holder of the Gastroenterology Certificate of American Internal Medicine Committee.
- His clinical interests include treating stomach diseases, diseases of the esophagus and intestines, diseases of liver and pancreas, endoscopy, Inflammatory Bowel Diseases and more.
- He graduated from Ege University, Bornova in 1986, post-graduated in immunology from McGill University, Canada in 1989, a doctorate in immunology from Mount Sinai, Turkey in 1993, residency in internal medicine from New York University, New York in 1996 and fellowship in Gastroenterology from South Carolina Medical University, Charleston in 1999.
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- Dr. Kasım Kazbay is a gastroenterologist with 20+ years of experience.
- He was granted the TUBITAK Medical Investigation Award in 1986 and received Sedat Simavi Medicine Award in 1995.
- He has conducted various investigations with TUBITAK NATO Overseas Doctorate Scholarship.
- Dr. Kasım is a member of the American Gastroenterological Association.
- He is a holder of the Gastroenterology Certificate of American Internal Medicine Committee.
- His clinical interests include treating stomach diseases, diseases of the esophagus and intestines, diseases of liver and pancreas, endoscopy, Inflammatory Bowel Diseases and more.
- He graduated from Ege University, Bornova in 1986, post-graduated in immunology from McGill University, Canada in 1989, a doctorate in immunology from Mount Sinai, Turkey in 1993, residency in internal medicine from New York University, New York in 1996 and fellowship in Gastroenterology from South Carolina Medical University, Charleston in 1999.

Dr. Tan Attila
Medical Gastroenterologist
- Dr. Tan Attila is a gastroenterologist with 15+ years of experience.
- His clinical interests include Gastroenterology, Hepatology, Advanced therapeutic endoscopy, endoscopic retrograde cholangiopancreatography (ERCP), Endoscopic Ultrasound (EUS), Balloon enteroscopy, Inflammatory Bowel Diseases and more.
- He graduated from Marmara University, Istanbul in 1996, completed a residency in internal medicine from Wisconsin School of Medicine, Wisconsin in 2001, fellowship in gastroenterology from Wisconsin School of Medicine, Wisconsin in 2003 and fellowship in Advanced Therapeutic Endoscopy from Toronto University, Toronto and Oregon Health and Science University, Oregon respectively.
- He has penned several publications for national and international journals.
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- Dr. Tan Attila is a gastroenterologist with 15+ years of experience.
- His clinical interests include Gastroenterology, Hepatology, Advanced therapeutic endoscopy, endoscopic retrograde cholangiopancreatography (ERCP), Endoscopic Ultrasound (EUS), Balloon enteroscopy, Inflammatory Bowel Diseases and more.
- He graduated from Marmara University, Istanbul in 1996, completed a residency in internal medicine from Wisconsin School of Medicine, Wisconsin in 2001, fellowship in gastroenterology from Wisconsin School of Medicine, Wisconsin in 2003 and fellowship in Advanced Therapeutic Endoscopy from Toronto University, Toronto and Oregon Health and Science University, Oregon respectively.
- He has penned several publications for national and international journals.
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