Best Gastroenterological Check-Up gastroenterologists in Turkey: TOP 29 doctors

Dr. Tarık Akar graduated from Cerrahpaşa School of Medicine, Istanbul University in 2000 and was granted the title of “Internist” in 2004. He has published 19 international papers, 6 local papers, and 25 local and international congress presentations. His fields of medical interest include Achalasia, ESD, ERCP, Zenker’s Diverticulum, and Gastroparesis.

Education:

• Bachelor of Science (MD): Faculty of Medicine, Uludag University, 1989

Specialized Education and Experience:

• General Surgery Specialist Degree: Ankara Numune Training and Research Hospital, 1997
• Fellowship: Gastroenterology Surgery, Türkiye High Specialization Hospital, 2005

Academic Career:

• Associate Professor: General Surgery, Inonu University, 2011
• Professorship: General Surgery, İnönü University, 2017

Dr. Bilal Ergul, MD, is a pioneering force in the field of gastroenterology.  

His innovative treatment protocols have transformed the lives of many patients, including a remarkable case where he successfully treated a patient with a Peroral Endoscopic Myotomy (POEM) surgery.

Dr. Bilal Ergul, often says, ‘Healing is more than treating a condition; it’s about restoring hope and improving lives.’ This philosophy is evident in every aspect of his work, making his and his team truly inspirational figure in the medical community."
He has authored around 100 publications in different academic topics

Experience:

2022 - 

Medipol Bahçelievler

2021 - 2022

MEDIPOL UNIVERSITY SEFAKÖY HOSPITAL

2018 - 2020

İSTİNYE UNIVERSITY FACULTY OF MEDICINE

2014 - 2020

TOKAT STATE HOSPITAL

2010 - 2010

BINGOL STATE HOSPITAL

Education:

2021

MEDIPOL UNIVERSITY, GASTROTEROLOGY

2018

İSTINYE UNIVERSITY, INTERNAL DISEASES USA

2014

ANKARA TRAINING AND RESEARCH HOSPITAL, GASTROENTEROLOGY

2010

FIRAT UNIVERSITY, FACULTY OF MEDICINE/INTERNAL MEDICAL SCIENCES DEPARTMENT/INTERNAL MEDICINE DEPARTMENT

2004

FIRAT UNIVERSITY, FACULTY OF MEDICINE

A. International Peer-Reviewed Journal Articles:

Title: Fatal fulminant hepatitis B after withdrawal of entecavir treatment in a patient with HBeAg seroconversion.

• Authors: Sarıkaya Murat, Koçak Erdem, Köklü Seyfettin, Babalı Ayşegül, Çakal Başak
• Journal: Acta Gastro-Enterologica Belgica
• Year: 2012
• Volume/Issue: (Kontrol No: 1206043)

Title: Acute gastric obstruction resulting from gallstone-induced bezoar.

• Authors: Sarıkaya Murat, Koçak Erdem, Köklü Seyfettin, Akbal Erdem
• Journal: The American Surgeon
• Year: 2012
• Volume/Issue: 78(12)
• Page: 529
• (Kontrol No: 1129707)

Title: Garlic-induced esophagitis.

• Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
• Journal: Acta Gastro-Enterologica Belgica
• Year: 2013
• Volume/Issue: 76(2)
• Page: 262
• (Kontrol No: 1131422)

Title: Association between Helicobacter pylori and liver-to-spleen ratio.

• Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
• Journal: European Journal of Gastroenterology & Hepatology
• Year: 2013
• Volume/Issue: 25(1)
• Pages: 107-110
• Citations: 7
• DOI: 10.1097/MEG.0b013e3283590c10
• (Kontrol No: 1131424)

Title: Crohn's disease masked by median arcuate ligament syndrome.

• Authors: Bıyıkoğlu İbrahim, Sarıkaya Murat, Uysal Ramadan Selma, Ergül Bilal, Doğan Zeynal
• Journal: Chinese Medical Journal
• Year: 2013
• Volume/Issue: 126 (14)
• Page: 2798
• Citations: 1
• (Kontrol No: 1131477)

Title: Telaprevir and anemia: What we learned from the first three patients.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Scandinavian Journal of Infectious Diseases
• Year: 2013
• Volume/Issue: 45(7)
• Page: 575-575
• Citations: 2
• DOI: 10.3109/00365548.2012.759271
• (Kontrol No: 1129738)

Title: Magnesium and parathyroid hormone levels of patients using different proton pump inhibitors.

• Authors: Sarıkaya Murat, Filik Levent, Ergul Bilal, Doğan Zeynal
• Journal: Gastroenterology Nursing
• Year: 2013
• Volume/Issue: 36 (2)
• Pages: 145-148
• DOI: 10.1097/SGA.0b013e31828d3753
• (Kontrol No: 1129715)

Title: Is topical pharyngeal anesthesia necessary in esophagogastroduodenoscopy in all unsedated patients?

• Authors: Ergül Bilal, Sarıkaya Murat, Doğan Zeynal, Filik Levent, Bıyıkoğlu İbrahim
• Journal: Digestive Endoscopy
• Year: 2013
• Volume/Issue: 25(1)
• Pages: 90-91
• Citations: 2
• DOI: 10.1111/j.1443-1661.2012.01383.x
• (Kontrol No: 1129879)

Title: Inpatient Care Of Hepatitis C: Applying The Four Pillars Model To The Hospital Setting.

• Authors: Sarıkaya Murat, Filik Levent, Doğan Zeynal, Ergül Bilal
• Journal: Gastroenterology Nursing
• Year: 2013
• Volume/Issue: 36(2)
• Pages: 141-144
• DOI: 10.1097/SGA.0b013e31828d33db
• (Kontrol No: 1129712)

Title: "The "Bouveret's Syndrome" Case Resolved Without Necrotic Changes."

• Authors: Bilal Ergül, Murat Sarıkaya, Zeynal Doğan, Sevda İdil, Tarkan Karakan, Abdullah Çetin Köseoğlu
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 725434
• DOI: 10.1155/2013/725434
• (Kontrol No: 1131423)

Title: Severe acute pancreatitis due to hypertriglyceridemia.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Bıyıkoğlu İbrahim
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 945902
• DOI: 10.1155/2013/945902
• (Kontrol No: 1131425)

Title: Gallstone Ileus Caused by Cholecystoenteric Fistula Demonstrated on Computed Tomography.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Sevda İdil
• Journal: Case Reports in Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 652960
• DOI: 10.1155/2013/652960
• (Kontrol No: 1131426)

Title: Intestinal Perforation Due to Ingested Chicken Bone Mimicking Crohn's Disease.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 604820
• DOI: 10.1155/2013/604820
• (Kontrol No: 1131427)

Title: Acute pancreatitis induced by hypertriglyceridemia: A case-based review.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Turkish Journal of Gastroenterology
• Year: 2013
• Volume/Issue: 24(3)
• Pages: 276-280
• DOI: 10.4318/tjg.2013.0565
• (Kontrol No: 1129727)

Title: An Unusual Complication of Endoscopic Retrograde Cholangiopancreatography: Severe Acute Pancreatitis Leading to Death.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Tarkan Karakan
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 658370
• DOI: 10.1155/2013/658370
• (Kontrol No: 1131475)

Title: A Rare Cause of Abdominal Pain: Mesenteric Panniculitis.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 925259
• DOI: 10.1155/2013/925259
• (Kontrol No: 1131476)

B. Contributions to Scientific Conferences:

Title: Suicidal poisonings in Turkey: demographic and clinical aspects.

• Authors: Sarikaya M., Gunes A., Goksu E., Erdogan G., Ozen C., Kaya A.
• Conference: 30th European Congress of Clinical Toxicology (EAPCCT)
• Year: 2000
• Abstract ID: P44
• (Kontrol No: 1131478)

Title: A Rare Cause of Gastrointestinal Bleeding: Aortoenteric Fistula.

• Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
• Conference: World Congress of Gastroenterology
• Year: 2013
• Abstract ID: P1367
• (Kontrol No: 1131479)

Education

MD; Hacettepe University Faculty of Medicine (2001)

Residencies

Internal Medicine; Ministry of Health Ankara Diskapi Education and Research Hospital (2009)

Pathology; Gazi University Faculty of Medicine (2004)

Fellowships

Gastroenterology and Hepatology; Necmettin Erbakan University Faculty of Medicine (2013)

Experiences

Demiroglu Bilim University Faculty of Medicine, Department of Gastroenterology and Hepatology

Istanbul Florence Nightingale Hospital (2019- currently)

Alanya Alaaddin Keykubat University Faculty of Medicine, Department of Gastroenterology and Hepatology (2017-2019)

Bundang CHA Hospital, Seoul, Korea (2018)

Konya Education and Research Hospital, Department of Gastroenterology  (2014-2017)

Certificates

Advanced Endoscopy Certificate, Bundang CHA Hospital, Seoul, Korea, 2018

Bariatric Endoscopy Certificate, Bariatric Endoscopy Global course, Sao Paulo, Brazil, 2020

Awards

2019 Rising Star, 10th Digestive Disease and Endoscopy Symposium

Memberships

Turkish Society of Internal Medicine

Turkish Society of Gastroenterology

ERCP Study Group at Turkish Society of Gastroenterology

European Society of Gastrointestinal Endoscopy

Women in Endoscopy, American Society of Gastrointestinal Endoscopy

Prof. Dr. Aytaç ATAMER was born on January 31, 1964 in Adapazarı. He started his medical education at Istanbul University Istanbul Faculty of Medicine and graduated in 1987. After completing his residency training at Dicle University Faculty of Medicine, Department of Internal Medicine, Atamer worked as a specialist physician at the Social Insurance Institution (SSK) Diyarbakır Hospital. He then continued to work as a specialist physician at Diyarbakır Training and Research Hospital.

In 2008, he completed his upper specialization at Haydarpaşa Numune Training and Research Hospital Gastroenterology Clinic and in the same year, he was named Associate Professor of Internal Medicine at Haydarpaşa Numune Training and Research Hospital. In 2011, he continued his duty with the duty of establishing Yalova State Hospital Gastroenterology Clinic and compulsory service and in 2013, he became a faculty member at Yalova University. Between 2017 and 2022, he worked as a Professor at Çamlıca Erdem Hospital Gastroenterology Clinic.

Since 2022, he has been working as a Gastroenterology Specialist and Internal Medicine Specialist at NPISTANBUL Brain Hospital.

Education: 

Akdeniz University Faculty of Medicine 

Specialization Training: 

Baskent University Faculty of Medicine. Internal diseases 

Akdeniz University Faculty of Medicine, Gastroenterology Minor 

Worked Institutions: 

Tekirdag State Hospital (Compulsory Service) 

Demiroğlu Bilim University Faculty of Medicine, Gastroenterology 

Medical Interests: 

Endoscopy-Colonoscopy 

ERCP 

Hepatology 

Inflammatory Bowel Diseases 

Liver Transplantation

ACADEMIC CAREER SUMMARY

Degree: Bachelor's
Field: Medicine
University: Atatürk University
Year: 2001

Degree: Master's
Field: Medicine
University: Atatürk University
Year: 2001

Specialization/Doctorate: Internal Medicine/Gastroenterology
University: İnönü University
Year: 2012

Associate Professorship: Gastroenterology
University: İnönü University
Year: 2018

Foreign Language: English, 67.5, 2007

H-index (WoS/Google): 8/10

Impact Factor: 8.1577

Key Research Work:
“Does apocynin increase liver regeneration in the partial hepatectomy model?” Yılmaz Bilgiç, Burhan Hakan Kanat, Onural ÖZHAN, Azibe YILDIZ, Zeynep AKSUNGUR, Mehmet Erman ERDEMLİ, Nigar VARDI, Yusuf TÜRKÖZ, Sami AKBULUT, Adem KÖSE, Hakan PARLAKPINAR. Turkish Journal of Medical Sciences, 2023 (53), 1-12 Q3.

Declared Project Title, Year:
K.3.6. “Investigation of the Effects of Vinpocetine in Sepsis Created by Cecal Ligation and Puncture in Rats” (Principal Investigator), 2023

International Experience:
Advanced Endoscopy Training, Anam Hospital, South Korea (3 months, 2016)
Advanced ERCP Course, Olympus Training Center, Hamburg (2017)

ADMINISTRATIVE POSITIONS

• Institution: İnönü University Turgut Özal Medical Center
  City: Malatya
  Position: Assistant Chief Physician
  Period: 2021 - 2024

UNIVERSITY

Ankara University Faculty of Medicine 

UNIVERSITY WHERE HE TAKES EXPERTISE

Göztepe Training and Research Hospital General Surgery

CONGRESSES ATTENDED

National Endoscopic Laparoscopic Surgery Congress

World Congress on Controversies to Consensus in Diabetes, Obesity and Hypertension

Bariatric and Metabolic Surgery Congress

Cerrahpaşa Surgery Meetings Turkish Bariatric Surgery Association

Gastroenterology

Pendik Medipol University Hospital

Education

1999 Karadeniz Technical University, Gastroenterology

1997Atatürk University, Internal Diseases Professorship

1992 Atatürk University, Internal Diseases Associated Professorship 

1985 Atatürk University, Internal Diseases Specialist 

1981 Atatürk University Faculty of Medicine

Publications

1- Nihat Okçu Gülçin Polat,Arif Yılmaz,Mehmet Koruk,The demographıc features of gastrıc cancers ın erzurum(Eurasian J Med 2000; 32: 63-65)

2- Üst Gastrointestinal Kanamalı Olguların Bir Değerlendirilmesi. Klinik Bilimler-Doktor.2000, - E.akarsu,N.Okçu, ve Ark.Kuzeydoğu Anadolu’da 6:4:435-438

3-N.Okçu, A.yılmaz. İ.kiki,M.D.onuk, C.gündoğdu, H.uzunismail. Tanısal Üst Gastrointestinal endoskopi Sonuçlarımız. Atatürk Üniversitesi Tıp Dergisi 1997,29 (2):486

4-N. Okçu, M.gündoğdu, M.D. onuk, İ.kiki, l.cerrahoğlu, k.yılmaz, i. çapoğlu. Nonsteroid Anti İnflamatuar İlaç (NSAİİ) Kullanan Hastalarda oluşan Gastroduodenal Lezyonların Önlenmesinde Misoprostolün Yeri. Atatürk Üniversitesi Tıp Dergisi 1997,29 (2):453-455.

5-N.Okçu, A. öz, m.d. onuk, e.akarsu, b. tekin, h.z. tonbul, h.kaya. Kronik Aktif Hepatit İle Dekopanse Karaciğer Parankim Yetmezliğinde Plazma Fibronektin Düzeyleri ve Karaciğerin Fonksiyon Durumu İle İlişkisi. Türk J. Gastroenterol 1995;27(4): 422-426.

6-N.Okçu, tahir buran,m.d. onuk,a. yılmaz, e.akarsu, g. akçay. Erzurum ve Çevresinde Duodenum Ülserli Hastalarda Helicobacter Pylori Prevelansı. Türk J. Gastroenterol 1995;27(4): 447-450.

7-N.Okçu, b.s. uyanık, e. akarsu, e. bakan, z. tonbul. Mide ve Kolorektal Kanserlerinde Karbonhidrat Antijenleri (CA-19-9, CA-125), Karsinoembriyonik Antijen (CEA) ve Alkalen Fosfatazın Önemi. Türk J. Gastroenterol 1995;6:467-471.

8-N. Okçu, m.d. onuk, e. akarsu, h. doğan, c. gündoğdu. Bölgemizdeki Hepatoselüler Karsinomlu Hastalarda Major Risk Faktörleri. Gastroenteroloji 1994;5(2):154-157

9-N.Okçu, m.d. onuk, e. akarsu, h. doğan, c.gündoğdu, tahir buran. Erzurum Bölgesinde Gastrik Karsinom Sıklığı, Endoskopik ce Histolojik Özellikler. Gastroenteroloji 1994;5(2):263-267.

10-N. Okçu, m.d. onuk, tahir buran, e. akarsu, m.a. çiftçioğlu. Erzurum İli Çevresinde Nonspesifik Gastritli Olgularda Helicobacter Pylori Sıklığı. Gastroenteroloji 1994;5(2):211-213.

11-N.Okçu, m.d. onuk, ö. ünal, e. akarsu, l. incesu, k. akgöz. Karın İçi Kitle Lezyonlarında Ultrason Rehberliğinde Yapılan İnce İğne Aspirasyon Biyopsisinin Tanı Değeri. Gastroenteroloji 1993;4(1):166-68.

12-N.O.kçu, m.d. onuk, m. polat, a. yılmaz, m. gündoğdu, m. paç. Budd-Chiari Sendromu (2 Olgu). Türk J Gastroenterhepatol 1993; 4(1):77-80.

13-N.Okçu, h. koçak, m.d. onuk, m. gündoğdu, e. bakan, a. yılmaz, a. başoğlu, a. ateş, f.a. paç. The Effect of Atrial Pressure Changes and Cardiac Nerves on Plasma Atrial Natriüretic Peptide (ANP) Levels. Vascular Surgery 1993; 27(2): 128-132

15-N.Okçu, m.d. onuk, a.yılmaz, m. gündoğdu, t. buran. Omeprozol ve Ranitidinin Peptik Ülser İyileşmesine Etkileri. Doğa-Tr.J. of Medical Sciences 1992;16:657-658.

16-N. Okçu, m.r. yiğitoğlu, b. adam, e. bakan. Konjestif Kalp Yetersizliği Olan Hastalarda Digıxin’in Plazma Atrial Natriüretik Peptik Düzeyine Etkisi. S.Ü. Tıp Fak. Dergisi 1991;7(2):243-247..

17-N.Okçu, a. yılmaz. Üst Gastrointestinal Sistem Kanamalarında Histamin H2 -Reseptör Antagonistlerinin Etkisi. Endoskopi Dergisi 1991;2(4):17-23.

18-N.Okçu, E. bakan, b. adam, a. yılmaz, m.r. yiğitoğlu. Kronik Hepatit ve Karaciğer Sirozlu Hastalarda Seks Hormanları ve Seks Hormon Bağlayıcı Globülin Seviyeleri (Editöre Mektup). Doğa-Tr. J. Of Medical Sciences 1991;15:1-2.

19-N.Okcu Ömer Yılmaz.Helıcobacter pylorı and related gastroıntestınal system dıseases Turkiye Klinikleri JMed Sci. 2013;33(3):806-13

20-Nihat Okçu , Ömer yılmaz, hakan dursun, gülçin polat. Dispeptik semptomlarla beslenme alışkanlıkları, endoskopik ve histolojik bulgular arasındaki ilişki (Eurasian J Med 2006; 38: 13-17)

21-Mehmet Bilici,1Nihat Okcu,1Kerim Cayır,1Ibrahim Pirim,2Salim B. Tekin,1andCemal Gundogdu3 - Distribuion of HLA Tissue Groups in Patients with Gastric Cancer Eurasian J Med. 2010 Apr; 42(1): 9.11.

22-Nihat Okcu,Abdulhalim Bak,Mehmet Sari,Mehmet Arslan,Sait Kapicioglu :The fibroblast proliferation,relationship of hepatocyte growth factor (HGF) and interferon-A2A Gastroenterology April 2000Volume 118,Issue 4, Part 2, PageA1404

23-Kubra Kaynar,Sait Kapicioglu,Mehmet Sarı,Nihat Okcu,Abdulhalim Baki. The effect of fish oil on stress ulcer prophylaxis GastroenterologyVolume 118, Issue 4, Part 2, PageA1255

He was born in Istanbul in 1982. He graduated from Kocaeli University, Faculty of Medicine. In 2012, he worked as an emergency medical assistant at Taksim First Aid EAH.

Between 2013-2018, he specialized in general surgery at Haseki EAH. Then, between 2018-2020, he completed his compulsory service at Bitlis Tatvan State Hospital. 

Since 2020, with Dr. Hasan Lice, they have worked with the Sava team for bariatric surgeries. He is married and has two kids.

He is also the deputy chief physician of the hospital.

İlknur,Karakus Şeyma,Gültekin Serap,Özçınar Beyza,Özmen Vahit,İğci Abdullah,Müslümanoğlu Mahmut Ebudeccane,Dinçcag Sait Ahmet The 18th SIS World Congress on Breast Healthcare September 16-19,2014 Orlando,USA 3- Axillary Lymph Node Ratio Is An Independent Prognostic Factor In Breast Cancer Üçüncü Muhammed Zübeyr,Karakuş Şeyma,Tükenmez Mustafa,Kaya Serdar,Yüksel Sercan,Özmen Vahit,Müslümanoğlu Mahmut Ebudeccane,Dinççağ Ahmet Sait,İğci Abdullah,Özçınar Beyza,Cabıoğlu Neslihan The 18th SIS World Congress on Breast Healthcare September 16-19,2014 Orlando,USA Dr. Muhammed Zübeyr Üçüncü is a specialist in General Surgery and Associate Professor of Surgery, with a degree from Istanbul University Istanbul Medicine Faculty. Dr. Üçüncü has extensive experience in the treatment of acute biliary pancreatitis, endoscopy, trauma and emergency surgery, obesity, and breast health. He has published several articles in medical journals and has presented at international conferences.

Prof. M.D. Yusuf Serdar Sakin was born in Nevşehir in 1978. After completing his primary and secondary education in Ankara, he graduated from the Faculty of Medicine at Gülhane Military Medical Academy in 2002.
Following his graduation, he served in Gole/Ardahan for two years. He started his internal medicine training at the Department of Internal Medicine, Gülhane Faculty of Medicine.
After completing his training, he worked as an internal medicine specialist in Ankara. A year later, he began additional training in the Department of Gastroenterology at Gülhane Faculty of Medicine and completed his training in 2014.
After graduation, Yusuf Serdar Sakin continued to work in the same department. He also received advanced endoscopy and Motility training at AMC Center in the Netherlands in 2017.
After obtaining the title of Associate Professor in 2017, he became a Professor in 2023.
He currently provides medical services to patients at Koru Ankara Hospital. His areas of medical interest include:

-Endoscopic retrograde cholangiopancreatography (ERCP)
-Push enteroscopy
-Endoscopic mucosal resection
-High-resolution manometry
-pH/pH-impedance metry analysis
-Advanced endoscopic procedures (stenting, dilation, etc.)
-Gastrointestinal motility disorders
-Gastroesophageal reflux disease
-Inflammatory bowel diseases
-Advanced endoscopic procedures and pancreatitis.

Prof. Dr. Erdem Akbal was born in 1978 in Kırıkkale. In 2015, he received training at the Johns Hopkins Hospital Advanced Endoscopy Unit, focusing on Endoscopic Ultrasonography and advanced endoscopic procedures. In 2017, he trained at the Amsterdam Academic Medical Center in techniques such as endoscopic submucosal dissection, endoscopic mucosal resection, diffuse esophageal spasm, and endoscopic full-thickness resection for treating early-stage gastrointestinal system tumors. He also received training in high-resolution manometry and POEM (Peroral Endoscopic Myotomy) for diagnosing esophageal diseases like achalasia. In 2018, he furthered his education in ESD and Balloon Enteroscopy at Jichi University.