
Prof. Hamdi Levent Doganay
Medical Gastroenterologist
- Prof. Hamdi Levent Doganay is a renowned Medical Gastroenterologist in Turkey.
- He has 23 years of experience and expertise in Endoscopy, Colonoscopy, Bile Duct Obstructions, and Liver Diseases.
- He completed his MBBS from Ege University Faculty of Medicine in 2001.
- After that, he took Internal Medicine Specialization from Dokuz Eylul University Faculty of Medicine in 2006.
- He also received training in Gastroenterology Subspecialty from Goeztepe Training and Research Hospital in 2011.
- Prof. Hamdi is an active member of numerous organizations, including the Turkish Gastroenterology Association, the Turkish Liver Research Association, and the European Association for the Study of Liver.
- He also received the Viral Hepatitis Fight Association Project Support Award for the Best Oral Presentation at the Euroasian Congress of Gastroenterology and Surgery.
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- Prof. Hamdi Levent Doganay is a renowned Medical Gastroenterologist in Turkey.
- He has 23 years of experience and expertise in Endoscopy, Colonoscopy, Bile Duct Obstructions, and Liver Diseases.
- He completed his MBBS from Ege University Faculty of Medicine in 2001.
- After that, he took Internal Medicine Specialization from Dokuz Eylul University Faculty of Medicine in 2006.
- He also received training in Gastroenterology Subspecialty from Goeztepe Training and Research Hospital in 2011.
- Prof. Hamdi is an active member of numerous organizations, including the Turkish Gastroenterology Association, the Turkish Liver Research Association, and the European Association for the Study of Liver.
- He also received the Viral Hepatitis Fight Association Project Support Award for the Best Oral Presentation at the Euroasian Congress of Gastroenterology and Surgery.

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.
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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.

- Dr. Cengiz Pata is a leading and well-known Medical Gastroenterologist.
- He has been practicing for the past 28 years.
- His primary focus is Gastroesophageal reflux disease, Inflammatory Intestinal Diseases, Irritable Bowel Syndrome, Advanced Endoscopic Procedures, etc.
- His areas of specialization are the Turkish Gastroenterology Association, Turkish Infamatuary Bowel Disease Association, and Turkish Hepatology Association.
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- Dr. Cengiz Pata is a leading and well-known Medical Gastroenterologist.
- He has been practicing for the past 28 years.
- His primary focus is Gastroesophageal reflux disease, Inflammatory Intestinal Diseases, Irritable Bowel Syndrome, Advanced Endoscopic Procedures, etc.
- His areas of specialization are the Turkish Gastroenterology Association, Turkish Infamatuary Bowel Disease Association, and Turkish Hepatology Association.

Dr. Fatih Ensaroglu
Medical Gastroenterologist
- Dr. Fatih Ensaroglu is a Medical Gastroenterologist with over 23+ years of experience in the field.
- He completed his graduation from the Uludağ University Faculty of Medicine and did his Specialization from Kocaeli University Department of Internal Diseases and Başkent University Gastroenterology BD.
- He is a member of the Turkish Medical Association, Turkish Gastroenterology Association, Turkish Thorax Association, and more.
- Dr. Ensaroglu's area of interest lies in Liver Cirrhosis and Complications, Inflammatory bowel diseases (ulcerative colitis, Crohn's) Diagnosis and Treatment, Chronic hepatitis (viral, autoimmune, cryptogenic), Endoscopic Procedures, Gastroscopy - Colonoscopy, etc.
- He has published various national & international paper publications.
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- Dr. Fatih Ensaroglu is a Medical Gastroenterologist with over 23+ years of experience in the field.
- He completed his graduation from the Uludağ University Faculty of Medicine and did his Specialization from Kocaeli University Department of Internal Diseases and Başkent University Gastroenterology BD.
- He is a member of the Turkish Medical Association, Turkish Gastroenterology Association, Turkish Thorax Association, and more.
- Dr. Ensaroglu's area of interest lies in Liver Cirrhosis and Complications, Inflammatory bowel diseases (ulcerative colitis, Crohn's) Diagnosis and Treatment, Chronic hepatitis (viral, autoimmune, cryptogenic), Endoscopic Procedures, Gastroscopy - Colonoscopy, etc.
- He has published various national & international paper publications.

Dr. Erol Cakmak
Medical Gastroenterologist
- Dr. Erol Cakmak is a Gastroenterologist with 19+ years of experience.
- His expertise lies in Cancer, Irritable Bowel Syndrome (IBS), Celiac Disease, Inflammatory Bowel Disease, Gallbladder Disease, GERD (Heartburn, Acid Reflux), endoscopic procedures, etc.
- Dr. Erol has completed his graduation and post-graduation from the reputed Cumhuriyet University, Istanbul.
- Until now, he has worked in some of the premier institutes such as Yozgat Çekerek Health Center, Kayseri Erciyes University, Şarkışla State Hospital, Sivas Numune Hospital, Cumhuriyet University, Istanbul.
- Under his credit, there are both national and international publications and he is actively invited as a guest speaker in scientific meetings, CDE's and worldwide conferences to talk about Irritable Bowel Syndrome (IBS).
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- Dr. Erol Cakmak is a Gastroenterologist with 19+ years of experience.
- His expertise lies in Cancer, Irritable Bowel Syndrome (IBS), Celiac Disease, Inflammatory Bowel Disease, Gallbladder Disease, GERD (Heartburn, Acid Reflux), endoscopic procedures, etc.
- Dr. Erol has completed his graduation and post-graduation from the reputed Cumhuriyet University, Istanbul.
- Until now, he has worked in some of the premier institutes such as Yozgat Çekerek Health Center, Kayseri Erciyes University, Şarkışla State Hospital, Sivas Numune Hospital, Cumhuriyet University, Istanbul.
- Under his credit, there are both national and international publications and he is actively invited as a guest speaker in scientific meetings, CDE's and worldwide conferences to talk about Irritable Bowel Syndrome (IBS).

Dr. Vedat Goral
Medical Gastroenterologist
- Dr. Vedat Göral is a gastroenterologist with 28+ years of experience.
- His areas of expertise include Colonoscopy, ERCP, Cholangioscopy, pancreaticoscopy, Chromoendoscopy, Stomach balloon application, Stent application in strictures and more.
- He was part of the Editorial board in national and international journals, namely the World Journal of Gastroenterology, Journal of Gastroenterology and Hepatobiliary Disease, Journal of Digestive Disease and Hepatology and Medical Case Reports and Images.
- Dr. Göral has 223 articles published in national and international magazines and nearly 200 papers.
- He completed his graduation in 1981 and post-graduation in 1986 from Dicle University, Diyarbakır.
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- Dr. Vedat Göral is a gastroenterologist with 28+ years of experience.
- His areas of expertise include Colonoscopy, ERCP, Cholangioscopy, pancreaticoscopy, Chromoendoscopy, Stomach balloon application, Stent application in strictures and more.
- He was part of the Editorial board in national and international journals, namely the World Journal of Gastroenterology, Journal of Gastroenterology and Hepatobiliary Disease, Journal of Digestive Disease and Hepatology and Medical Case Reports and Images.
- Dr. Göral has 223 articles published in national and international magazines and nearly 200 papers.
- He completed his graduation in 1981 and post-graduation in 1986 from Dicle University, Diyarbakır.

Dr. Sefa Guliter
Medical Gastroenterologist
- Dr. Sefa Guliter is a renowned Gastroenterologist with extensive 22+ years of experience.
- His expertise lies in Cancer, Irritable Bowel Syndrome (IBS), Celiac Disease, Inflammatory Bowel Disease, Gallbladder Disease, GERD (Heartburn, Acid Reflux), endoscopic procedures, etc.
- Dr. Sefa has completed his graduation from Ankara University School of Medicine, followed by post-graduation from the reputed SSK Ankara Hospital, Istanbul.
- Until now, he has worked in some of the premier institutes such as SB Etimesgut State Hospital, Kirklareli University, Gazi University School of Medicine, Minasera Aldan Hospital.
- Under his credit, there are both national and international publications and he is actively invited as a guest speaker in scientific meetings, CDE's and worldwide conferences to talk about Irritable Bowel Syndrome (IBS).
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- Dr. Sefa Guliter is a renowned Gastroenterologist with extensive 22+ years of experience.
- His expertise lies in Cancer, Irritable Bowel Syndrome (IBS), Celiac Disease, Inflammatory Bowel Disease, Gallbladder Disease, GERD (Heartburn, Acid Reflux), endoscopic procedures, etc.
- Dr. Sefa has completed his graduation from Ankara University School of Medicine, followed by post-graduation from the reputed SSK Ankara Hospital, Istanbul.
- Until now, he has worked in some of the premier institutes such as SB Etimesgut State Hospital, Kirklareli University, Gazi University School of Medicine, Minasera Aldan Hospital.
- Under his credit, there are both national and international publications and he is actively invited as a guest speaker in scientific meetings, CDE's and worldwide conferences to talk about Irritable Bowel Syndrome (IBS).

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.
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