Best gastroenterologists: TOP 494 doctors

• Expert in Gastroenterology, specializing in Achalasia, ESD, ERCP, and Gastroparesis.
• International practice includes medical activities in multiple countries.
• Bestowed with Best Verbal Presentation Award at Gastrointestinal Cancers Congress.
• Recognized expertise in Gastroenterology with high success in advanced endoscopic procedures.
• Certified in Internal Medicine; a testament to broad medical proficiency.
• Professional memberships enhance knowledge in Gastroenterology treatments.
• Offers online consultations for Gastroenterology, facilitating access for patients.

• Renowned gastroenterologist specializing in functional digestive disorders.
• Expertise in irritable bowel syndrome, inflammatory bowel disease, and gastroesophageal reflux.
• Internationally trained in Spain, Netherlands, and USA at Mayo Clinic.
• Leads Digestive System Service at Teknon Medical Center in Spain.
• Founder of Teknon Institute for Study and Treatment of Constipation & Incontinence.
• Holds certifications in gastroenterology from renowned institutions.
• Active member of the American Gastroenterological Association and World Gastroenterology Organisation.
• Offers remote consultations for patients seeking gastroenterology expertise.

• Expert in Gastroenterology, focusing on digestive system disorders.
• Trained internationally, including the renowned Hospital Clínic de Barcelona.
• Manages complex gastroenterological conditions with high proficiency.
• Renowned for his contributions to nephrology and internal medicine.
• Board-certified in Medicine and Surgery, with a specialization in nephrology.
• Member of prestigious medical societies like the Spanish Society of Nephrology.
• Provides online consultations for gastroenterological concerns.

• Specializes in EUS, ERCP, and Therapeutic Endoscopy
• Focus on Gastrointestinal Cancers and Chronic Liver Diseases
• International practice in USA, India, and several European countries
• Certified in Advanced Gastrointestinal Endoscopy
• Member of the American Gastroenterological Association
• Offers telehealth services for Gastroenterology patients

Prof. Kopty is a highly qualified specialist in internal medicine, gastroenterology, endoscopy, hepatology, and various liver diseases, with expertise and practical experience in more than 28,000 diagnostic and therapeutic endoscopy specializations. He also has awards and publications in the fields of hepatology, hepatitis C and B, endoscopy, and best clinical endoscopy quality certificates.

Prof. Nadir Arber is a top gastroenterologist from Israel with over 30 years of experience in the field. He is specialized in the prevention, early diagnostics, and treatment of GI cancers, with education from Hebrew University, Tel Aviv University, and NewYork-Presbyterian Center. He has written over 300 papers on his research and is a member of numerous organizations in the field.

Dr. Rosen is a specialized abdominal surgeon with expertise in endocrine, gastrointestinal, liver, colon, and appendectomy surgery. He is also experienced in treatments such as anal fissure, gallbladder, gastric anastomosis, and sleeve gastrectomy surgery. He is a member of various medical councils and serves as President of the European Society of Surgery. He is also a professor of surgery at the Vienna Medical School.

Dr. Jaroslav Tvaruzek is a specialist in robotic surgery. Dr. Tvaruzek is a leading certified expert by Intuitive Surgical - the American produced of the original Da Vinci robots. The doctor is a member of Association of Aesthetic Medicine and Association of Bariatric Surgery.

Dr. Tvaruzek heads the Center of Robotic Surgery located in the St. Zdislava Hospital (the Czech Republic). The doctor has performed over 3,500 robotic surgeries for his practice. Among them are:

• prostatectomy with preservation of the erectile function
• transoral surgeries (removal tumors of the nasopharynx, larynx, trachea, mouth)
• thyroidectomy
• nephrectomy
• bariatric surgeries (surgical treatment of obesity).

• Specialized in endoscopic examinations, gastrointestinal tract diseases.
• International practice in Germany and academia abroad.
• Notable for extensive experience with 9,000+ surgeries.
• Recognized leader in the gastroenterology department.
• Board-certified in internal medicine and gastroenterology.
• Member of German and European Gastroenterology Societies.
• Offers online consultations for gastroenterological concerns.

• Specializes in endoscopic therapy, endobarrier therapy for GI diseases.
• International training in Germany, United Kingdom, and United States.
• Expertise in inflammatory bowel disease (IBD) management and treatment.
• Professional memberships in German and European gastroenterology societies.
• Holds certifications in interventional sonography and health management.
• Member of GASL, EASL, AASLD, and dggö with a focus on liver and digestive health.
• Offers online consultations for gastroenterology concerns.

Dr. Auala Hubert is a board-certified Medical Oncologist & Radiotherapist with 33 years of experience, speaking both English and Hebrew. She is a member of several medical and social service committees and holds qualifications in Oncology and Radiotherapy.

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

Professor Massimo Falconi is a gastrointestinal oncologist with over 30 years of experience specializing in pancreatic diseases. He practices at Ospedale San Raffaele in Milan and has led 3,600 surgeries, including distal, total, middle pancreatectomies , pancreatic resections, and enucleations. He is the Director of the Pancreatic Surgery and the Pancreas Translational and Clinical Unit at IRCCS Ospedale San Raffaele with international experience in Japan, Spain, Germany, and Sweden. Prof. Falconi has written over 330 articles and taken part in 350+ Italian and 220+ international conferences, and is a member of several organizations.