Best Gastric ulcer gastroenterologists: TOP 89 doctors

Education

Doctor: Kilis Merkez No. 1 Health Center, 2006-2008
Assistant Doctor: Mersin University Faculty of Medicine, 2009-2013
Specialist Doctor: Bingöl Genç State Hospital, 2013-2014
Minor Assistant: Akdeniz University Faculty of Medicine, 2014-2017
Minor Specialist: Erzurum Regional Training and Research Hospital, 2017-2018
Subspecialist: Gaziosmanpaşa Training and Research Hospital, 2018-2020
Attending Specialist: Başakşehir Çam and Sakura City Hospital, 2020-2022
Associate Professor: Başakşehir Çam and Sakura City Hospital, 2023
Associate Professor: Istinye University Medicalpark Gaziosmanpaşa Hospital, 2023-2024

Scientific Memberships

Turkish Pediatric Society
Turkish Society for Pediatric Gastroenterology Hepatology and Nutrition
ESPGHAN - European Society for Pediatric Gastroenterology Hepatology and Nutrition.

Medical Intrests

• 
  -Irritable (Restless) Bowel Syndrome
• -Food allergies associated with the digestive system
• -Constipation, faecal incontinence
• -Acute and chronic diarrhoea, malabsorption
• -Chronic abdominal pain
• -Gastroesophageal reflux disease
• -Celiac disease
• -Ulcerative colitis, Crohn's disease
• -Treatment before and after liver transplantation
• -Acute and chronic pancreatitis

Medical Interests and Activities 

Hepatic Cirrhosis and Portal Hypertension 

Hepatic Cancer 

Viral Hepatitides (Chronic Hepatitis B, C and Delta Infections) 

Alcoholic Chronic Liver Disease 

Non-Alcoholic Fatty Liver Disease 

Stomach and Duodenal Ulcer 

Gastrointestinal Hemorrhage (Ulcer and Varicose Vein Bleeding) 

Functional Digestive System Disorders (Irritable Bowel Syndrome, Functional Intestinal Obstruction and Diarrhea...) 

Inflammatory Bowel Diseases (Ulcerative Colitis, Crohn’s Disease) 

Malabsorption Syndromes (Celiac Disease and Alike) 

Gastrointestinal Tract Malignancies

Education and Experience 

Liv Hospital, Ulus, Gastroenterohepatology Department (2013 ...) 

Associate Professor of Medicine, Obligatory Service at Gastroenterology, Şanlıurfa Training and Research Hospital (2010 - 2012) 

Subspecialty in Gastroenterohepatology, Department of Gastroenterohepatology, İstanbul Faculty of Medicine, İstanbul University (2004 - 2010) 

Research Fellow, Physician, Department of Internal Diseases, 

İstanbul Faculty of Medicine, İstanbul University (1992 - 1998)

Memberships 

Turkish Association For The Study of The Liver 

Turkish Society of Gastroenterology 

Inflammatory Bowel Disease Society 

Internal Diseases Specialty Association

Education & Expertise

1995 to 2001 | Ege University Faculty of Medicine – Medical Education

2001 to 2006 | Dokuz Eylül University Faculty of Medicine – Internal Medicine Specialization

2008 to 2011 | Göztepe Training and Research Hospital – Gastroenterology Subspecialty

2014 | Ümraniye Training and Research Hospital – Associate Professor of Gastroenterology

2021 | University of Health Sciences – Professor

Professional Experience

2007 | Nusaybin State Hospital – Internal Medicine Specialist (Civil Service Obligation)

2011 to 2014 | Ümraniye Training and Research Hospital – Gastroenterology Specialist

2014 to 2017 | Ümraniye Training and Research Hospital – Associate Professor of Gastroenterology

2017 to 2021 | Health Sciences University – Associate Professor of Gastroenterology

2015 to 2021 | Ümraniye Training and Research Hospital Gastroenterology Clinic – Clinic Chief

2021 to 2022 | University of Health Sciences – Professor of Internal Medicine and Gastroenterology

2015 to 2022 | Genomic Laboratory (GLAB) Coordinator, Istanbul Provincial Health Directorate

2014 to 2021 | Northern Clinics of Istanbul Journal (indexed in WoS and PubMed) – Founding Editor

2021 to Present | Turkish Liver Research Association – Board Member

2022 to Present | Hepatology Bulletin Journal – Editor

2019 to Present | Hepatology Forum Magazine – Editor

2016 to Present | World Journal of Hepatology – Editor

International Experience

1999 | Trainee Doctor, Regional Infectious Diseases Unit, Western General Hospital, Edinburgh, UK

2000 | Trainee Doctor, Cardiology Unit, North Manchester General Hospital, Manchester, UK

2005 | Assistant Doctor, Regional Infectious Diseases Unit, Western General Hospital, Edinburgh, UK

Professional Memberships

Turkish Gastroenterology Association

Turkish Liver Research Association

EASL – European Association for the Study of Liver

APASL – Asian Pacific Association for the Study of Liver

AAAS – American Association for the Advancement of Science

Awards & Recognitions

2013 | Liver Fibrosis Pathways in Chronic Hepatitis B: A Comparative Proteomic Study – Gilead Fellowship Award

2014 | Liver Fibrosis Pathways in Chronic Hepatitis B: A Comparative Proteomic Study – Viral Hepatitis Fight Association Project Support Award

2014 | The Relationship between Spontaneous Seroconversion and Toll-Like Receptor Gene Polymorphism in Hepatitis B Infection – Turkish Gastroenterology Association, Best Poster Second Prize

2015 | Research on Damage Pathways in Liver Tissue in Chronic Hepatitis B: A Comparative Proteomic Study – Turkish Gastroenterology Association, Best Oral Presentation Third Prize

2016 | Investigations of the EGF and Its Receptor EGFR Gene Variants in Ulcerative Colitis – XV Euroasian Congress of Gastroenterology and Surgery, Best Oral Presentation Third Prize

Education and Specialization

• 1995 – 2001: Bachelor's Degree, Eskişehir Osmangazi University, Faculty of Medicine, Turkey
• 2001 – 2007: Medical Specialization, Department of Internal Medicine, Akdeniz University, Faculty of Medicine, Turkey
• 2008 – 2011: Subspecialty, Department of Internal Medicine, Division of Gastroenterology, Süleyman Demirel University, Faculty of Medicine, Turkey

Professional Experience

• 2001 – 2007: Research Assistant, Department of Internal Medicine, Akdeniz University, Faculty of Medicine
• 2007 – 2008: Internal Medicine Specialist, Konya Bozkır State Hospital
• 2008 – 2011: Research Assistant, Department of Gastroenterology, Süleyman Demirel University, Faculty of Medicine
• 2011 – 2013: Gastroenterology Specialist, Burdur State Hospital
• 2013 – 2019: Assistant Professor, Department of Internal Medicine, Division of Gastroenterology, Akdeniz University, Faculty of Medicine
• 2019 – 2022: Associate Professor, Department of Internal Medicine, Division of Gastroenterology, Akdeniz University, Faculty of Medicine

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

Education

Studied at the Medical School of the University of Giessen, Germany (1996 - 2003)

Specialization in Pathology (2009)

Specialization in Gastroenterology (2012)

Professional Experience

Resident in Special Pathology at Klinikum Offenbach, Germany (Jul 2003 - Aug 2009)

Resident in Gastroenterology at Klinikum Offenbach, Germany (Aug 2009 - Dec 2012)

Commissioner of the Gastroenterology Clinic at Klinikum Offenbach, Germany Apr 2010 - Aug 2014 (Director: Prof. Dancygier Apr 2010-Mar 2014, Prof. Ell Apr 2014 - Aug 2014)

Senior Attending Physician (Deputy Director) at the Department of Gastroenterology, Kreiskliniken Darmstadt-Dieburg Hospital, Germany Sep 2014 - Dec 2020 (Director Dr. Dotzel)

Director of the Gastroenterology Department at the German Oncology Centre in Limassol, Cyprus (Jan 2021 to date)

Education and Specialization

• Bachelor’s Degree in Medicine (English) – Hacettepe University, 1997
• Master’s Degree – Department of Internal Medicine, Akdeniz University, 2004
• Ph.D. / Proficiency / Medical Specialization – Division of Gastroenterology, Akdeniz University, 2007

Experience

• Akdeniz University Faculty of Medicine 1998/2004
• Akdeniz University Faculty of Medicine  2004/2007
• Urfa Training and Research Hospital 2008/2009
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology  2010/2011
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2011/2013
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2013/2017
• Medical Park Antalya Hospital, Gastroenterology Department and Organ Transplant Center

Specializations

Cancer Surgery

Pancreatic Surgery

Bile Duct Surgery

Bariatric Metabolic Surgery

Oncological Surgery

Breast Surgery

Gastric cancer

Colon cancer

Thyroid Cancer

Obesity Surgery

Diabetes Surgeries

Education

Ondokuz Mayıs University Faculty of Medicine (1991)

KTÜ Faculty of Medicine Farabi Hospital (Specialization.1998)

Istanbul University Çapa Faculty of Medicine (Laparoscopic Surgery Training, 2002)

Istanbul University Çapa Faculty of Medicine (Laparoscopic Antireflux Surgery Training, 2006)

Istanbul University Cerrahpaşa Faculty of Medicine (General Surgery Clinic Advance Laparoscopic Surgery, Laparoscopic Bariatric Surgery, Morbid Obesity and Oncological Cancer Surgery Training, 2010i)

In 2007 he joined the Costa del Sol Hospital and left this position when he obtained an international scholarship that would take him back to San Francisco. In 2010 he moved to Japan to complete his training in the submucosal endoscopic dissection technique that he would later on introduce in Andalusia in 2011, thus becoming one of the pioneers in the performance of this technique in Spain. In 2011 he became the first medical professional in the world to use the 15-mm AXIOS stent in pancreatic fluid collection drainage. In 2018 he began to perform gastroenteroanastomosis with luminal apposition stent in patients with pancreatic cancer and bowel obstruction, thus becoming a pioneer in Andalusia to perform such technique.

He is a coauthor of the reference guides of the European Society of Gastrointestinal Endoscopy on the endoscopic treatment of chronic pancreatitis and non-variceal gastrointestinal haemorrhage.

Professional Experience

Over 24 years' experience

1999 - Degree in Medicine and Surgery. Malaga University, Spain.

2003 to 2006 - Medical Residency in the Digestive System at the Virgen Macarena Hospital in Seville, Spain.

2006 - International Scholar at the California Pacific Medical Center in San Francisco, USA.

2007 – Digestive System Specialist at the Costa del Sol Hospital, Marbella. Spain.

2008 - California Pacific Medical Center in San Francisco, USA.

2009 - Top Reviewer Award received from the Gastrointestinal Endoscopy Journal.

2011 – Pioneer in Spain in the introduction of the submucosal endoscopic dissection technique.

2011 – First professional in the world to use the AXIOS (15mm) stent for pancreatic fluid collection drainage.

2016 - Gold Medal of the Andalusian Society for Digestive Disease (SAPD, in its Spanish abbreviation).

2017 - Fellow of the American College of Gastroenterology (FACG).

2018 - Pioneer in Andalusia to perform gastroenteroanastomosis with luminal apposition stent to treat bowel obstruction.

2019 - Fellow of the American Society for Gastrointestinal Endoscopy (FASGE).

The Digestive System Unit of the Quirónsalud Marbella Hospital offers a patient service portfolio that includes all the clinical aspects of gastroenterology, hepatology, biliary duct and pancreatic disease, as well as the diagnostic and treatment techniques used in this speciality such as abdominal ultrasound, endoscopy and other functional tests.

Our specialists have solid professional backgrounds and the team is highly qualified for the diagnosis and treatment of complex diseases such as conditions related to acidity (gastric ulcers, helicobacter pylori, gastroesophageal reflux disease), enteropathies (Crohn's Disease, ulcerative colitis; coeliac disease...), viral hepatitis, hepatic cirrhosis, pancreatic disease...

The Digestive System Unit of the Quirónsalud Marbella Hospital is a pioneer in the implementation of a specific check-up programme for digestive disease with special attention to the diagnosis and treatment of colon precancerous lesions.

Diseases, treatments and techniques:

• Diagnostic and therapeutic endoscopic ultrasound

• Endoscopic resection techniques (mucosectomy/submucosal dissection)

• Submucosal or third-space endoscopy (POEM and variants)

• Bariatric endoscopy (Apollo Method)

Education

Undergraduate Faculty of Medicine Trakya University 1995-2001
Medical Residency Internal Medicine Uludağ University 2001-2006
Subspecialty Gastroenterology Medeniyet University, Göztepe Training and Research Hospital / Gastroenterology Clinic 2007-2011

Experience

Internal Diseases
Assistant doctor Uludağ University Faculty of Medicine
Internal Diseases USA 2001-2006

Internal Diseases Specialist Şanlı Urfa Mehmet Akif İnan
Training and Research Hospital 2007
(Jul-Dec)

Gastroenterology Minor
Assistant Istanbul Medeniyet Universityniversitesi
Göztepe Training and Research Hospital
Gastroenterology Clinic 2007-2011
Gastroenterology Specialist Sivas Numune Hospital 2011-2013

Gastroenterology
Chief Resident Health Sciences University
Ümraniye Training and Research Hospital 2013-2017

Assoc. Dr.
Chief Assistant of Gastroenterology Clinic University of Health Sciences
Ümraniye Training and Research Hospital
2017-2021

Assoc. Dr.
Gastroenterology Clinic Administrative Responsible University of Health Sciences
Ümraniye Training and Research Hospital
2021-2024

Scientific Memberships
 

Turkish Society of Gastroenterology
Turkish Association of Liver Research
Gastrointestinal Endoscopy Society

Awards

Third Prize for Oral Presentation, 32nd National Gastroenterology Week, Turkish Gastroenterology Association, November 25-29, 2015. Turkish J. Gastroenterol 2015;26(suppl 1): Oral Presentation 03, S:11
Oral Presentation Third Prize. XVth Eurasian Congress of Gastroenterology and Surgery, 27 apr-01 May 2016, Antalya P:89

Education and Expertise

• 1979 - DR - ANKARA UNIVERSITY FACULTY OF MEDICINE
• 1984 - SPECIALIST DR. - EGE UNIVERSITY FACULTY OF MEDICINE INTERNAL DISEASES
• 1992 - SUB-BRANCH SPECIALIST DR. - EGE UNIVERSITY FACULTY OF MEDICINE GASTROENTEROLOGY CLINIC
• 1994 - ASSOC. PROFESSOR - EGE UNIVERSITY
• 2000 - PROFESSOR DR. - EGE UNIVERSITY

Diseases

• Inflammatory Bowel Diseases (Ulcerative Colitis, Crohn's Disease)
• Large Intestine Diseases
• Liver Diseases
• Liver Inflammation
• Liver Cancer
• Fatty Liver
• Stomach Diseases
• Pancreatitis
• Pancreas Cancer
• Digestive System Diseases
• Digestive system cancer
• Cirrhosis
• Diseases of the Esophagus

Treatment Methods

• Balloon Stent Applications in Achalasia
• Spark Plug Applications
• ERCP
• Endoscopic Treatments for Digestive System Canal Strictures
• Endoscopic Treatment of Digestive System Polyps
• Stent 

EDUCATION AND ADVANCED TRAINING COURSES

• 1989 - received higher medical education at the Hebrew University;
• 1995 - completed residency in internal medicine and gastroenterology at the Hadassah University Hospital.
• 2001 - 2002 - Internship with Professor Scott Friedman in the Department of Liver Diseases at Sinai School of Medicine in New York.

Today, Professor Rifaat Safadi is an outstanding specialist in the field of liver disease treatment, a member of the committee for the development of the somatic cell transplant center and the head of the liver disease unit at Hadassah Medical Center. The professor is a member of several international associations for the study of the liver and is the author of numerous articles in his specialty. Professor Safadi is a member of the editorial board of the scientific medical journal Clinical Science.

Rifaat Safadi is a laureate of many scientific awards. In particular, he has been repeatedly awarded the Hadassah Prize for studying the process of immune modulation of liver fibrosis using mRNA. For achievements in the same field, the professor received the Sharon Donsky and the Israeli Association of Gastroenterology and Hepatology awards.

Professor Gerhard Prager is a highly experienced bariatric surgery specialist with over 3,000 operations for obesity treatment. He is the head of the Obesity Outpatient Clinic in Vienna General Hospital and head of the Metabolic Surgery Center in Confraternitaet Private Hospital. He is a member of several organizations such as the IFSO-European Chapter, the Austrian Obesity Association, the International Federation for the Surgery of Obesity and Metabolic Disorders, the Austrian Society of Surgery, the Austrian Society of Bariatric Surgery, and the American Society for Metabolic & Bariatric Surgery.

NUTRITION AND DIET SPECIALIST 

Ezgi Sevic graduated from Hacettepe University, Department of Nutrition and Dietetic as Honor Student. During her education, she conducted studies on “'The Effect of Hedonic Eating Behavior on Obesity', 'Total Parenteral Nutrition in Children' and 'The Relationship Between Resistance and Obesity'.” During her education, she took part in the field in studies on determining the nutritional status of the society. She worked as intern dietitian in Hospitals of Hacettepe University (Oncology Hospital, Adults Hospital, İhsan Doğramacı Child Hospital), Dışkapı Yıldırım Beyazıt Training and Research Hospital and many Community Health Centres. 
She worked in Izmir Private Ekol Hospital. She successfully completed the 'Bariatric Nutrition Course' and the 'Innovations in Obesity Course'. She has participated in many training and seminar programs in her field. 

Interests: Post- Metabolic and Bariatric Surgery Nutrition, the Nutrition in Chronicle Diseases, Nutrition in Individuals with Diabetes, Nutrition in Cancer, Nutrition in Congenital Metabolic Diseases, Food Intolerances, Body Weight Control, Child and Adolescent Nutrition, Nutrition in Old Age, Nutrition in Pregnancy and Lactation.

Dietit. Ezgi Sevic knows advanced English. 

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.