
Dr. Tarik Zafer Nursal
Obesity and Bariatric Surgeon
- Dr. Tarik Zafer Nursal is a leading and experienced General Surgeon with +21 years of experience in the field of general surgery.
- He holds professional memberships of the Turkish Association of Parenteral and Enteral Nutrition, the European Society of Endoscopic Surgery, the Turkish Surgery Association, the Hernia Association and the Çukurova Surgery Association.
- Dr. Nursal completed his MBBS in 1993 from the Hacettepe University Faculty of Medicine. After a year's internship, he earned his general surgery specialisation in 1999. In 2011, he earned his Associate Degree from Andalou University Open Education Faculty Health Institutions Management.
- Dr. Nursal is a renowned general surgeon with expertise in performing surgeries of the hernia/breast and obesity surgeries. He has extensive experience in performing advanced laparoscopic surgeries such as, gastric fundoplication, achalasia, adrenalectomy, splenectomy and colon surgeries. He also surgically treats, gall bladder stones, thyroid, goitre, cancers of the stomach/colon/breast/rectum and rectal tumours, rect prolapse and oncoplasty procedures.
- He is also experienced in attending to emergency cases, working in internal medicine and surgical ICUs.
- Dr. Nursal has co-authored several research papers for leading journals.
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- Dr. Tarik Zafer Nursal is a leading and experienced General Surgeon with +21 years of experience in the field of general surgery.
- He holds professional memberships of the Turkish Association of Parenteral and Enteral Nutrition, the European Society of Endoscopic Surgery, the Turkish Surgery Association, the Hernia Association and the Çukurova Surgery Association.
- Dr. Nursal completed his MBBS in 1993 from the Hacettepe University Faculty of Medicine. After a year's internship, he earned his general surgery specialisation in 1999. In 2011, he earned his Associate Degree from Andalou University Open Education Faculty Health Institutions Management.
- Dr. Nursal is a renowned general surgeon with expertise in performing surgeries of the hernia/breast and obesity surgeries. He has extensive experience in performing advanced laparoscopic surgeries such as, gastric fundoplication, achalasia, adrenalectomy, splenectomy and colon surgeries. He also surgically treats, gall bladder stones, thyroid, goitre, cancers of the stomach/colon/breast/rectum and rectal tumours, rect prolapse and oncoplasty procedures.
- He is also experienced in attending to emergency cases, working in internal medicine and surgical ICUs.
- Dr. Nursal has co-authored several research papers for leading journals.

- Dr. Halil Alış is a general surgeon with 20+ years of experience.
- He is a member of the Turkish Surgery Association, Trauma and Emergency Surgery Association, National Endoscopic-Laparoscopic Surgery Association, Turkish Obesity Surgery Association, Organ Transplant Institutions Coordination Association, Istanbul Surgery Association, SAGES, EAES, IASGO, ISSO and IFSO.
- Dr. Alış completed his graduation from Karadeniz Technical University in 1992 and post-graduation from Istanbul University, Istanbul in 2001.
- He has more than 44 publications published in journals covered by SCI and SCI-e and 45 publications published in domestic magazines.
- He has expertise in all kinds of laparoscopic surgeries, and therapeutic endoscopic procedures such as colonoscopy, gastroscopy, endoscopic USG and ERCP.
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- Dr. Halil Alış is a general surgeon with 20+ years of experience.
- He is a member of the Turkish Surgery Association, Trauma and Emergency Surgery Association, National Endoscopic-Laparoscopic Surgery Association, Turkish Obesity Surgery Association, Organ Transplant Institutions Coordination Association, Istanbul Surgery Association, SAGES, EAES, IASGO, ISSO and IFSO.
- Dr. Alış completed his graduation from Karadeniz Technical University in 1992 and post-graduation from Istanbul University, Istanbul in 2001.
- He has more than 44 publications published in journals covered by SCI and SCI-e and 45 publications published in domestic magazines.
- He has expertise in all kinds of laparoscopic surgeries, and therapeutic endoscopic procedures such as colonoscopy, gastroscopy, endoscopic USG and ERCP.

Dr. Muhammet Fatih Aydin
Surgical Gastroenterologist
- Dr. Muhammet Fatih Aydin is a Gastroenterologist with 16+ years of experience
- His expertise lies in endoscopic reflux therapy (ARMS), ERCP, Management of biliary tract diseases, viral hepatitis (Hepatitis B and C), Endosonography, Endoscopic obesity operation, Chronic liver diseases, Inflammatory bowel diseases, Irritable Bowel Syndrome (IBS), Celiac Disease, Gallbladder Disease, GERD, etc.
- Dr. Aydin completed his graduation from the Medical Faculty of Istanbul University Cerrahpaşa at Ankara University, followed by post-graduation from the reputed Turkey High Specialization 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 Endoscopic reflux.
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- Dr. Muhammet Fatih Aydin is a Gastroenterologist with 16+ years of experience
- His expertise lies in endoscopic reflux therapy (ARMS), ERCP, Management of biliary tract diseases, viral hepatitis (Hepatitis B and C), Endosonography, Endoscopic obesity operation, Chronic liver diseases, Inflammatory bowel diseases, Irritable Bowel Syndrome (IBS), Celiac Disease, Gallbladder Disease, GERD, etc.
- Dr. Aydin completed his graduation from the Medical Faculty of Istanbul University Cerrahpaşa at Ankara University, followed by post-graduation from the reputed Turkey High Specialization 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 Endoscopic reflux.

Dr. Ahmet Erdil
Medical Gastroenterologist
- Dr. Ahmet Erdil is a Gastroenterologist with 14+ 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. Ahmet has completed his graduation and post-graduation from Gulhane Military School, Istanbul.
- Until now, he has worked in some of the premier institutes such as Gulhane Military School of Medicine, Diyarbakır Military Hospital, Medicana International Hospital, Ankara University.
- 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. Ahmet Erdil is a Gastroenterologist with 14+ 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. Ahmet has completed his graduation and post-graduation from Gulhane Military School, Istanbul.
- Until now, he has worked in some of the premier institutes such as Gulhane Military School of Medicine, Diyarbakır Military Hospital, Medicana International Hospital, Ankara University.
- 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. Aysegul Ozis
Medical Gastroenterologist
- Dr. Aysegul Ozis is a Gastroenterologist with 11+ years of experience.
- Her expertise lies in Cancer, Irritable Bowel Syndrome (IBS), Celiac Disease, Inflammatory Bowel Disease, Gallbladder Disease, GERD (Heartburn, Acid Reflux), endoscopic procedures, etc.
- Dr. Ozis has completed her graduation from Ondokuz Mayis University, followed by post-graduation from the reputed Baskent University School of Medicine, Istanbul.
- Until now, he has worked in some of the premier institutes such as Samsun Asarcik Clinic, Baskent University, Amasya Suluova State Hospital, Türkiye Yüksek İhtisas Education and Research Hospital, Trabzon Kanuni Education and Research Hospital, Istanbul Education and Research Hospital.
- Under her credit, there are both national and international publications and she 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. Aysegul Ozis is a Gastroenterologist with 11+ years of experience.
- Her expertise lies in Cancer, Irritable Bowel Syndrome (IBS), Celiac Disease, Inflammatory Bowel Disease, Gallbladder Disease, GERD (Heartburn, Acid Reflux), endoscopic procedures, etc.
- Dr. Ozis has completed her graduation from Ondokuz Mayis University, followed by post-graduation from the reputed Baskent University School of Medicine, Istanbul.
- Until now, he has worked in some of the premier institutes such as Samsun Asarcik Clinic, Baskent University, Amasya Suluova State Hospital, Türkiye Yüksek İhtisas Education and Research Hospital, Trabzon Kanuni Education and Research Hospital, Istanbul Education and Research Hospital.
- Under her credit, there are both national and international publications and she is actively invited as a guest speaker in scientific meetings, CDE's and worldwide conferences to talk about Irritable Bowel Syndrome (IBS).

Dr. Burak Kankaya
General Surgeon
- Dr. Burak Kankaya is a renowned general surgeon and has an experience of more than 11 years.
- He has expertise in Laparoscopic Cholecystectomy, Laparoscopic Colon Resection, Laparoscopic Nissen Fundoplication, Laparoscopic Ventral Hernia Repair, and Lung Surgery.
- He also has command over the treatment of esophagus, stomach, small intestine, large intestine, liver, pancreas, gallbladder, appendix and bile ducts, and often the thyroid gland
- Dr. Burak Kankaya has professional membership with the Turkish Surgical Association.
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- Dr. Burak Kankaya is a renowned general surgeon and has an experience of more than 11 years.
- He has expertise in Laparoscopic Cholecystectomy, Laparoscopic Colon Resection, Laparoscopic Nissen Fundoplication, Laparoscopic Ventral Hernia Repair, and Lung Surgery.
- He also has command over the treatment of esophagus, stomach, small intestine, large intestine, liver, pancreas, gallbladder, appendix and bile ducts, and often the thyroid gland
- Dr. Burak Kankaya has professional membership with the Turkish Surgical Association.

Dr. Enver Avci
Medical Gastroenterologist
- Dr. Enver Avci is a Gastroenterologist and has 14+ years of experience in the field.
- After completing his graduation from Ege University School of Medicine, he completed his post-graduation from the reputed Ankara Numune Education and Research Hospital, Istanbul.
- Dr. Enver has a keen interest in Gastroenterology and his expertise lies in Upper and lower gastrointestinal endoscopy, ERCP, Polypectomy, Inflammatory bowel diseases, Chronic Liver Diseases, Pancreatic Diseases, Gallstones management, etc.
- During his professional career, he has worked in some of the prestigious hospitals namely Corum Alaca State Hospital, Konya Başkent University Hospital, Ankara Numune Training And Research Hospital, Bilecik State Hospital, Medicana Konya Hospital.
- He has published both national and international articles in indexed journals and is often invited as a guest speaker in conferences, CDE's to talk about advanced Endoscopy procedures.
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- Dr. Enver Avci is a Gastroenterologist and has 14+ years of experience in the field.
- After completing his graduation from Ege University School of Medicine, he completed his post-graduation from the reputed Ankara Numune Education and Research Hospital, Istanbul.
- Dr. Enver has a keen interest in Gastroenterology and his expertise lies in Upper and lower gastrointestinal endoscopy, ERCP, Polypectomy, Inflammatory bowel diseases, Chronic Liver Diseases, Pancreatic Diseases, Gallstones management, etc.
- During his professional career, he has worked in some of the prestigious hospitals namely Corum Alaca State Hospital, Konya Başkent University Hospital, Ankara Numune Training And Research Hospital, Bilecik State Hospital, Medicana Konya Hospital.
- He has published both national and international articles in indexed journals and is often invited as a guest speaker in conferences, CDE's to talk about advanced Endoscopy procedures.

Dr. Fatih Karaahmet
Medical Gastroenterologist
- Dr. Fatih Karaahmet is a Gastroenterologist, based in Istanbul with 11+ years of experience.
- He has worked in some of the renowned institutes such as Hacettepe University, Urgup State Hospital, Diskapi Yildırım Beyazit Education and Research Hospital, Bingol State Hospital, Ankara Education and Research Hospital, Medicana International Hospital, Ankara.
- Dr. Fatih has successfully managed 1000+ endoscopic retrograde cholangiopancreatography cases and has expertise in Gastroenterology, maintenance of Vitamin D level, and blood pressure relationship in kidney transplant patients.
- He has completed his graduation from Ege University School of Medicine, followed by post-graduation from the reputed Hacettepe University School of Medicine, Istanbul.
- Moreover, he has many national and international publications under his credit and he is actively invited as a guest speaker in scientific meetings, CME's as a guest lecture to talk about ERCP.
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- Dr. Fatih Karaahmet is a Gastroenterologist, based in Istanbul with 11+ years of experience.
- He has worked in some of the renowned institutes such as Hacettepe University, Urgup State Hospital, Diskapi Yildırım Beyazit Education and Research Hospital, Bingol State Hospital, Ankara Education and Research Hospital, Medicana International Hospital, Ankara.
- Dr. Fatih has successfully managed 1000+ endoscopic retrograde cholangiopancreatography cases and has expertise in Gastroenterology, maintenance of Vitamin D level, and blood pressure relationship in kidney transplant patients.
- He has completed his graduation from Ege University School of Medicine, followed by post-graduation from the reputed Hacettepe University School of Medicine, Istanbul.
- Moreover, he has many national and international publications under his credit and he is actively invited as a guest speaker in scientific meetings, CME's as a guest lecture to talk about ERCP.

Dr. Omer Akyurek
Medical Gastroenterologist
- Dr. Omer Akyurek is a Gastroenterologist with 10+ years of experience.
- After his graduation from Selcuk University, Meram, School of Medicine, he completed his post-graduation from the reputed Ankara Diskapi Yildirim Beyazit Education and Research Hospital, Istanbul.
- Dr. Omer along with his team has managed numerous cases of Metabolic syndrome, apart from this his clinical interest lies in the management of Diabetes, Thyroid disorders, Gastroenterol system Diseases, etc.
- He has worked in some of the leading institutes of Istanbul such as Emirdag State Hospital, Beyhekim State Hospital, Mevlana University School of Medicine, Memorial Hospital, Farabi Hospital, Medicana Konya Hospital, etc.
- Under his credit, there are both national and international publications in accredited journals, and also actively gets invited as a guest lecturer in scientific meetings, CDE's to talk about Metabolic syndrome.
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- Dr. Omer Akyurek is a Gastroenterologist with 10+ years of experience.
- After his graduation from Selcuk University, Meram, School of Medicine, he completed his post-graduation from the reputed Ankara Diskapi Yildirim Beyazit Education and Research Hospital, Istanbul.
- Dr. Omer along with his team has managed numerous cases of Metabolic syndrome, apart from this his clinical interest lies in the management of Diabetes, Thyroid disorders, Gastroenterol system Diseases, etc.
- He has worked in some of the leading institutes of Istanbul such as Emirdag State Hospital, Beyhekim State Hospital, Mevlana University School of Medicine, Memorial Hospital, Farabi Hospital, Medicana Konya Hospital, etc.
- Under his credit, there are both national and international publications in accredited journals, and also actively gets invited as a guest lecturer in scientific meetings, CDE's to talk about Metabolic syndrome.

Dr. Orhan Kocaman
Surgical Gastroenterologist
- Dr. Orhan Kocaman is a Gastroenterologist with 14+ years of experience.
- His expertise lies in Endosonography, ERCP, POEM, Endoscopic reflux treatment, Endoscopic obesity operation, Chronic liver diseases, Inflammatory bowel diseases, Irritable Bowel Syndrome (IBS), Celiac Disease, Gallbladder Disease, GERD, etc.
- Dr. Orhan has completed his graduation from Istanbul University, Cerrahpaşa, followed by post-graduation from the Kocaeli University.
- 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 Endoscopic reflux.
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- Dr. Orhan Kocaman is a Gastroenterologist with 14+ years of experience.
- His expertise lies in Endosonography, ERCP, POEM, Endoscopic reflux treatment, Endoscopic obesity operation, Chronic liver diseases, Inflammatory bowel diseases, Irritable Bowel Syndrome (IBS), Celiac Disease, Gallbladder Disease, GERD, etc.
- Dr. Orhan has completed his graduation from Istanbul University, Cerrahpaşa, followed by post-graduation from the Kocaeli University.
- 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 Endoscopic reflux.

Dr. Raim Iliaz
Medical Gastroenterologist
- Dr. Raim Iliaz is an Istanbul-based Medical Gastroenterologist with over 10+ years of experience in the field.
- He is a member of the Turkish liver research association, Turkish gastroenterology association, Turkish thorax association, and the European Association for the study of the Liver (EASL).
- He completed his graduation from the Istanbul University Cerrahpaşa Faculty of Medicine and did his Specialization from Istanbul University Faculty of Medicine, Internal Medicine, and Gastroenterology.
- Dr. Iliaz's area of interest lies in Inflammatory bowel diseases (ulcerative colitis, Crohn's) Diagnosis and Treatment, Chronic hepatitis (viral, autoimmune, cryptogenic), Liver Cirrhosis and Complications, Endoscopic Procedures, Gastroscopy - Colonoscopy, etc.
- Under his credit, there are both national and international publications in accredited indexed journals.
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- Dr. Raim Iliaz is an Istanbul-based Medical Gastroenterologist with over 10+ years of experience in the field.
- He is a member of the Turkish liver research association, Turkish gastroenterology association, Turkish thorax association, and the European Association for the study of the Liver (EASL).
- He completed his graduation from the Istanbul University Cerrahpaşa Faculty of Medicine and did his Specialization from Istanbul University Faculty of Medicine, Internal Medicine, and Gastroenterology.
- Dr. Iliaz's area of interest lies in Inflammatory bowel diseases (ulcerative colitis, Crohn's) Diagnosis and Treatment, Chronic hepatitis (viral, autoimmune, cryptogenic), Liver Cirrhosis and Complications, Endoscopic Procedures, Gastroscopy - Colonoscopy, etc.
- Under his credit, there are both national and international publications in accredited indexed journals.

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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