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Best Gastroenterological Check-Up gastroenterologists: TOP 92 doctors

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Content meets the Bookimed Editorial Policy and is medically reviewed by
Fahad Mawlood - General practitioner. Winner of 4 scientific awards. Served in Western Asia. Former Team Leader of a medical team supporting Arabic-speaking patients. Now responsible for data processing and medical content accuracy.
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Ozlem Ozer Chakir
Gastroenterologist
11 years of experience
5.0
29 reviews
Turkey, Istanbul
Istanbul Florence Nightingale Hospital

Ozlem Ozer Chakir

Gastroenterologist
11 years of experience

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

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Peter Schenker
Pediatric surgeon
18 years of experience
4.6
56 reviews

Peter Schenker

Pediatric surgeon
18 years of experience
Germany, Solingen
Medical Center in Solingen
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Pichai Kittipanyaworakul
Gastroenterologist
14 years of experience
Thailand, Bangkok
Intrarat Hospital

Pichai Kittipanyaworakul

Gastroenterologist
14 years of experience

Pichai Kittipanyaworakul, M.D.
Pichai Kittipanyaworakul, M.D.

 

INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST

 

Graduation (M.D. From)

Bachelor of Medicine, Faculty of Medicine, Chiang Mai University

 

Certificates

Diploma in Internal Medicine, Faculty of Medicine, Chulalongkorn Memorial Hospital, Thai Red Cross Society

Diploma of Internal Medicine in Gastroenterology and Hepatology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University

 

Current Positions

INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST AT INTRARAT HOSPITAL

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Nihat Okcu
Gastroenterologist
26 years of experience
Turkey, Istanbul
Medipol University Pendik Hospital

Nihat Okcu

Gastroenterologist
26 years of experience

Gastroenterology

Pendik Medipol University Hospital

Education

1999 Karadeniz Technical University, Gastroenterology

1997 Atatürk 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 demographic features of gastric cancers in Erzurum(Eurasian J Med 2000; 32: 63-65)

2- An Evaluation of Upper Gastrointestinal Bleeding Cases. Clinical Sciences-Doctor.2000, - E.akarsu,N.Okçu,et Ark.Northeast Anatolia 6:4:435-438

3-N.Okçu, A.yılmaz. İ.kiki,MDonuk, C.gündoğdu, H.uzunismail. Our Diagnostic Upper Gastrointestinal Endoscopy Results. Atatürk University Medical Journal 1997,29 (2):486

4-N. Okçu, M.gündoğdu, MD onuk, İ.kiki, l.cerrahoğlu, k.yılmaz, I. çapoğlu. The Role of Misoprostol in Preventing Gastroduodenal Lesions in Patients Using Nonsteroidal Anti-Inflammatory Drugs (NSAIDs). Atatürk University Medical Journal 1997,29 (2):453-455.

5-N.Okçu, A. Öz, MD Onuk, E.Akarsu, B. Tekin, Hz Tonbul, H.Kaya. Plasma Fibronectin Levels in Chronic Active Hepatitis and Decoction of Liver Parenchymal Insufficiency and Their Relationship with Liver Functional Status. Turkish J. Gastroenterol 1995;27(4): 422-426.

6-N.Okçu, Tahir Buran, MD Onuk, A. Yılmaz, E.Akarsu, G. Akçay. Prevalence of Helicobacter Pylori in Patients with Duodenal Ulcer in Erzurum and Surrounding Area. Turkish J. Gastroenterol 1995;27(4): 447-450.

7-N.Okçu, bs awake, e. akarsu, e. bakan, z. tonbul. Importance of Carbohydrate Antigens (CA-19-9, CA-125), Carcinoembryonic Antigen (CEA) and Alkaline Phosphatase in Gastric and Colorectal Cancers. Turkish J. Gastroenterol 1995;6:467-471.

8-N. Okçu, MD Onuk, E. Akarsu, H. Doğan, C. Gündoğdu. Major Risk Factors in Patients with Hepatocellular Carcinoma in Our Region. Gastroenterology 1994;5(2):154-157

9-N.Okçu, md. Onuk, e. akarsu, h. doğan, c.gündoğdu, tahir buran. Frequency of gastric carcinoma in Erzurum region, endoscopic and histological features. Gastroenterology 1994;5(2):263-267.

10-N. Okçu, MD Onuk, Tahir Buran, E. Akarsu, MA Çiftçioğlu. Frequency of Helicobacter Pylori in Nonspecific Gastritis Cases in Erzurum Province. Gastroenterology 1994;5(2):211-213.

11-N.Okçu, MD Onuk, Ö. Ünal, E. Akarsu, L. İncesu, K. Akgöz. Diagnostic Value of Ultrasound-Guided Fine Needle Aspiration Biopsy in Intra-Abdominal Mass Lesions. Gastroenterology 1993;4(1):166-68.

12-NOkçu, md. onuk, m. polat, a. yılmaz, m. gündoğdu, m. paç. Budd-Chiari Syndrome (2 Cases). Turkish J Gastroenterhepatol 1993; 4(1):77-80.

13-N.Okçu, H. Koçak, MD 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 Natriuretic Peptide (ANP) Levels. Vascular Surgery 1993; 27(2): 128-132

15-N.Okçu, MD Onuk, A.Yılmaz, M. Gündoğdu, T. Buran. Effects of Omeprozole and Ranitidine on Peptic Ulcer Healing. Doğa-Tr.J. of Medical Sciences 1992;16:657-658.

16-N. Okçu, Mr. Yiğitoğlu, B. Adam, E. Bakan. The Effect of Digixin on Plasma Atrial Natriuretic Peptic Level in Patients with Congestive Heart Failure. S.Ü. Medical Faculty Journal 1991;7(2):243-247..

17-N.Okçu, A. Yılmaz. The Effect of Histamine H2 -Receptor Antagonists in Upper Gastrointestinal System Bleeding. Endoscopy Journal 1991;2(4):17-23.

18-N.Okçu, E. Bakan, B. Adam, A. Yılmaz, Mr. Yiğitoğlu. Sex Hormones and Sex Hormone Binding Globulin Levels in Patients with Chronic Hepatitis and Liver Cirrhosis (Letter to the Editor). Nature-Tr. J. Of Medical Sciences 1991;15:1-2.

19-N.Okcu Ömer Yılmaz.Helıcobacter pylori and related gastrointestinal system diseases. Turkish Clinics JMed Sci. 2013;33(3):806-13

20-Nihat Okçu, Ömer Yılmaz, Hakan Dursun, Gülçin Polat. The relationship between dyspeptic symptoms, nutritional habits, endoscopic and histological findings (Eurasian J Med 2006; 38: 13-17)

21-Mehmet Bilici,1Nihat Okcu,1Kerim Cayir,1Ibrahim Pirim,2Salim B. Tekin,1andCemal Gundogdu3 - Distribution 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 Sari,Nihat Okcu,Abdulhalim Baki. The effect of fish oil on stress ulcer prophylaxis GastroenterologyVolume 118, Issue 4, Part 2, PageA1255

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Dr Sanchez Yague
Gastroenterologist
26 years of experience
4.8
3 reviews

Dr Sanchez Yague

Gastroenterologist
26 years of experience
Spain, Marbella
Quirónsalud Marbella
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Tolga Sahin
Gastroenterologist
15 years of experience
5.0
29 reviews
Turkey, Istanbul
Istanbul Florence Nightingale Hospital

Tolga Sahin

Gastroenterologist
15 years of experience

accreditations:

The International Liver Transplantation Society

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

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Tsios Yuri Anatolievich
Gastroenterologist
21 years of experience
5.0
3 reviews

Tsios Yuri Anatolievich

Gastroenterologist
21 years of experience
Ukraine, Kyiv
Impuls Medical Center
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Gabor Posfai
Gastroenterologist
26 years of experience
3.8
10 reviews

Gabor Posfai

Gastroenterologist
26 years of experience
Hungary, Budapest
Liv Duna Medical Center
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Dr Arnulf Ferlitsch
Gastroenterologist
25 years of experience
4.0
16 reviews
Austria, Vienna
Döbling Private Hospital

Dr Arnulf Ferlitsch

Gastroenterologist
25 years of experience
Dr. Ferlitsch is a leading specialist in his field, having completed medical studies in Vienna in 1998 and internships in internal medicine and gastroenterology/hepatology from 2000-2010. He has been awarded numerous research awards and stipends and has trained in a variety of areas. He is currently the head of the Department for Internal Medicine I at the Hospital of the Barmherzigen Brüder Vienna.Read more
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Sebastian Schoppmann
General surgeon
24 years of experience
4.6
18 reviews
Austria, Vienna
Vienna General Hospital (AKH)

Sebastian Schoppmann

General surgeon
24 years of experience

accreditations:

Austrian Society of Surgical Oncology

Dr. Sebastian Schoppmann is an experienced specialist in general and visceral surgery, and is the Head of the Gastroesophageal Tumor Unit at the Comprehensive Cancer Center in Vienna. He is the author of more than 240 specialized articles, serves as General Secretary of the Austrian Society of Surgical Oncology, and has edited or served as an associate editor for several medical journals.

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Dr Bahaeddin Tapkan
Gastroenterologist
15 years of experience
5.0
1 review

Dr Bahaeddin Tapkan

Gastroenterologist
15 years of experience
Turkey, Istanbul
Basari Hospital
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Akin Unal
General surgeon
15 years of experience
Turkey, Istanbul
Sava clinic

Akin Unal

General surgeon
15 years of experience

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.

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Muhammed Zubeyr Üçüncü
Gastrointestinal surgeon
17 years of experience
Turkey, Istanbul
IC ESTHETIC Clinic

Muhammed Zubeyr Üçüncü

Gastrointestinal surgeon
17 years of experience

accreditations:

International Federation for the Surgery of Obesity and Metabolic Disorders
Advanced Trauma Life Support

Dr. İlknur,Karakuş 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,Dinççag Ahmet Sait,İğci Abdullah,Özçınar Beyza,Cabıoğlu Neslihan The 18th SIS World Congress on Breast Healthcare September 16-19,2014 Orlando,USA Dr. Muhammed ZübeyrThird is a specialist in General Surgery and Associate Professor of Surgery, with a degree from Istanbul University Istanbul Medicine Faculty. Dr. Third 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.

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Yigit
Gastrointestinal surgeon
14 years of experience
Turkey, Antalya
Renovated Me Clinic

Yigit

Gastrointestinal surgeon
14 years of experience
Dr. Yigit S. Guner is a board-certified pediatric surgeon, specializing in general and thoracic surgeries for infants, children, and teens. He is also well-versed in the management of various clinical conditions such as hernias, hydrocele, circumcision, and tumors. His surgical skills include appendectomy, gastric polyps removal, resection of gallbladder, stomach resection, and complex treatment of pancreatitis among others. Dr. Guner is recognized for his research contributions and regularly presents lectures at national conferences.Read more
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Prof Dr Ozgur Kemik
Clinical oncologist
28 years of experience
4.4
14 reviews
Turkey, Istanbul
Hermes Clinics

Prof Dr Ozgur Kemik

Clinical oncologist
28 years of experience
Dr. Prof Dr Ozgur Kemik is a senior oncologist specializing in cancer management using minimally invasive techniques. He is proficient in operations such as Removal of liver cancer, Liver transplant, and Gastric bypass among others. His expertise includes advanced laparoscopic surgery, lower gastrointestinal tract cancers, hepatobiliary cancers, cytoreductive surgery, and kidney transplantation. He is a member of several professional associations and has held significant leadership positions in his career.Read more
Stomach resection
Stomach resection
Stomach resection
Before and After Pictures
Stomach resection
Stomach resection
Stomach resection
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Abdulkerim Yilmaz
Gastroenterologist
34 years of experience
5.0
1 review

Abdulkerim Yilmaz

Gastroenterologist
34 years of experience
Turkey, Sivas
Medicana Sivas Hospital
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Cardiologist
75 years of experience
Ukraine, Lviv
Medical Bub

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Cardiologist
75 years of experience

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Yusuf Serdar Sakin
Gastroenterologist
23 years of experience
Turkey, Ankara
Private Koru Ankara Hospital

Yusuf Serdar Sakin

Gastroenterologist
23 years of experience

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.

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Gokhmen Ozturk
Gastroenterologist
25 years of experience
5.0
4 reviews

Gokhmen Ozturk

Gastroenterologist
25 years of experience
Turkey, Istanbul
Clinicresult
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