Página 2 - Melhores Gastroenterologia gastroenterologistas - TOP-197 médicos

Dr. Andrej Orságh is a gastroenterologist, certified in 2015. He has worked at the Gastroenterology Department of the National Cancer Institute (NOÚ) since 2016. Since 2019 he has been the institute’s specialist consultant for colorectal cancer screening. He leads the colorectal cancer screening working group of the Slovak Gastroenterological Society. He is vice-chair of its Endoscopy Section and chair of its Oncology Section.

He graduated from Comenius University in 2009. He trained at the Gastroenterology Clinic of the University Hospital in Bratislava and at the Slovak Medical University. He shares his expertise at professional conferences and in publications. He also teaches basic and advanced endoscopic techniques in NOÚ courses.

Dr. Boris Pekárek is a gastroenterologist. He graduated from the Faculty of Medicine, Comenius University in Bratislava in 2002. He worked at the Internal Medicine Clinic in Trnava from 2002 to April 2010. He obtained his specialization in gastroenterology in 2008.

Since April 2010, he has worked at the Gastroenterology Department of the National Cancer Institute. He has led the department since 2017. He completed several specialized training courses abroad. He focuses on endoscopic diagnosis and treatment of early tumors of the esophagus, stomach, colon, and rectum.

He served as chair of the Oncology Section of the Slovak Gastroenterological Society from 2018 to 2024. He is the current chair of its Endoscopy Section and a member of the Society’s committee. He publishes, lectures at conferences, and trains basic and advanced endoscopic techniques in Slovakia and abroad.

Head of Teaching at the Puerto Vallarta Regional Hospital

2020-2023

Medical records manager at the Regional Hospital of Puerto Vallarta 2 months 2020

General practitioner in private medical office

2015-2022

Doctor in charge of weight control clinic

2013-2014

Medical assistant in dermatology clinic

2008-2013

Medical Assistant in Dermatological procedures.

 Medical Assistant in minimally invasive surgical procedures

 Operation of fractional laser machine - IPIXEL-ER and

facial rejuvenation with IPL.

 Experience in laser hair removal with Intense Pulsed Light and

radiofrequency

 Experience with ultrasonic cavitation

 Experience with ultraviolet (UV) light phototherapy machine for the

treatment of psoriasis and vitiligo.

 Experience assisting in Botox and Fillers procedures.

 Biomagnet certified by the Higher Institute of Biomagnetism

doctor ISAAC GOIZ DURAN

 Experience in clinical records

 Training in continuing education and professional development of teachers

Dr. Daniela Osuská is a gastroenterologist. She graduated from the First Faculty of Medicine, Charles University, in 2010. From 2010 to 2019 she worked as a secondary physician at the Internal Medicine Clinic of Nitra University Hospital. There she began performing endoscopies. Since 2019 she has worked at the Gastroenterology Department of the National Cancer Institute. She earned her gastroenterology specialization in 2021.

She serves on the supervisory board of the Oncology Section of the Slovak Gastroenterological Society and the Section of Young Gastroenterologists. She publishes and presents her work in Slovakia and abroad. She also trains physicians in endoscopic techniques.

Dr. Juraj Letkovsky has been a gastroenterologist at the Gastroenterology Department of the National Cancer Institute (NOÚ) since 2017. He graduated in medicine in 2012 and earned a PhD in internal medicine in 2016. He obtained specialization in gastroenterology in 2018.

His practice focuses on advanced endoscopic diagnosis and treatment of digestive tract tumors. He performs endosonography and ERCP for pancreatic and biliary diseases.

He serves on the Young Gastroenterologists, Endoscopy, and Oncology sections of the Slovak Gastroenterology Society. He is a co-author of an ongoing multicenter study on colonoscopy quality in Slovakia. He holds certificates in diagnostic and interventional esophagogastroduodenoscopy (2022) and endoscopic retrograde cholangiopancreatography (2023).

Dr. Lubos Zitnan is a gastroenterologist at the Gastroenterology Department of the National Cancer Institute. He has worked there since 2010. He also serves on the committee of the Oncology Section of the Slovak Gastroenterological Society.

His practice includes colonoscopy, gastroscopy, endosonography (EUS), and ERCP for pancreatic and biliary diseases. He holds certificates in diagnostic and interventional esophagogastroduodenoscopy, diagnostic and interventional colonoscopy, and endoscopic retrograde cholangiopancreatography.

He graduated from the Faculty of Medicine, Comenius University, in 2003. He completed an internal medicine residency at Malacky Hospital. He began specialized training in gastroenterology at the National Cancer Institute in 2007.

Dr. Auala Hubert is a board-certified medical oncologist and radiotherapist with 33 years of clinical experience. She works at Hadassah Medical Center and speaks both English and Hebrew. Dr. Hubert leads the Gastrointestinal Cancer Center. She is also a senior physician in the Oncology Department.

She earned her M.D. from Hadassah University Hospital. She holds board certifications in oncology and radiotherapy. Dr. Hubert has passed USMLE Parts I and II. She is a member of the Israel Society of Clinical Oncology, Israel Medical Society, and Israel Cancer Association. Dr. Hubert also serves on several medical and social service committees, where she helps advance cancer care.

Dr. Yahya Özel is a highly experienced general surgeon with expertise in bariatric surgery, hepatobiliary diseases, abdominal hernias, endocrine surgery, and oncological surgery. He completed his medical education at Istanbul University, Istanbul Faculty of Medicine in 1990 and pursued his specialization in General Surgery at Haydarpaşa Numune Training and Research Hospital between 2001 and 2006. His commitment to advanced surgical techniques led him to further training at Tokyo University Hospital, Japan, in the Hepato-Biliary-Pancreatic Surgery and Artificial Organ Division under renowned experts M. Makuuchi and N. Kokudo.

Throughout his career, Dr. Özel has worked at prestigious institutions, including Istanbul University Faculty of Medicine, Haydarpaşa Numune Training and Research Hospital, and Ümraniye Training and Research Hospital. His extensive experience includes roles in ERCP and surgical endoscopy, as well as advanced laparoscopic and robotic surgery. In addition to his clinical practice, he has served as an academic faculty member at Doğuş University, contributing to the education and training of future medical professionals.

Dr. Özel holds several certifications in surgical endoscopy, including the Turkish Surgical Proficiency Certificate. His dedication to minimally invasive surgical techniques, obesity treatment, and hepatobiliary surgery has made him a sought-after specialist in his field. With a career spanning over three decades, he continues to provide high-quality, patient-centered surgical care, ensuring the best outcomes through his expertise and innovative approach.

Specializations

Diabetes (Sugar)

Thyroid

Hypertension

cholesterol

stomach diseases

intestinal diseases

osteoporosis

Experience

Azerbaijan Gusar Central Hospital

Vreden Russian Research Institute of Traumatology and Orthopedics

Azerbaijan Göranboy, First Lieutenant Doctor

Hospital Park Darıca Hospital

BAH

Education

Azerbaijan Medical Faculty (2015)

Kocaeli Derince Training and Research Hospital (2016-2020)

Vocational Trainings, Courses and Conferences Attended

Internal Medicine Congress

Gastro Academy

Prof. Dr. Samet Yardımcı - Specialist in Gastroenterology and General Surgery

Education and Specialization:

• Medical Degree: Ankara University Faculty of Medicine (2003)
• Residency in General Surgery: Haydarpaşa Numune Training and Research Hospital (2003-2009)
• Fellowship in Gastroenterology Surgery: Türkiye Yüksek İhtisas Training and Research Hospital (2009-2012)

Professional Experience:

• 2003-2009: Assistant Doctor at Haydarpaşa Numune Training and Research Hospital
• 2009-2012: Specialist at Türkiye Yüksek İhtisas Training and Research Hospital
• 2012-2017: Specialist at Marmara University Pendik Training and Research Hospital
• 2017-2018: Associate Professor at Marmara University Pendik Training and Research Hospital
• 2018-Present: Professor at VM Medical Park Pendik Hospital

Areas of Expertise:

• Obesity Surgery
• Gastroenterology Surgery
• Reflux Surgery
• Stomach Surgery
• Laparoscopic Surgery
• Inflammatory Bowel Diseases
• Colorectal Surgery

Research and Publications: Prof. Dr. Yardımcı has numerous publications in international journals, focusing on topics such as liver regeneration, splenic hydatid cysts, and the surgical treatment of gastrointestinal diseases. His research includes innovative methods in bariatric surgery and the treatment of inflammatory bowel diseases.

Certifications and Awards:

• Turkish Surgery Competency Certificate
• International Observership Certificate from Memorial Hermann Hospital, Houston, Texas
• Best Young Researcher Award at the Congress of Transplantation (2011)
• Istanbul Provincial Health Directorate Patient Satisfaction Certificate

Professional Memberships:

• Turkish Surgery Association
• Turkish Hepato-Pancreato-Biliary Surgery Association
• Gastroenterology Surgery Association
• Turkish Obesity Surgery Association
• International Federation for the Surgery of Obesity and Metabolic Disorders

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:  Azerbaijan Medical University, Pediatrics, 2003-2009, Pediatrician  Ministry of Justice of the Republic of Azerbaijan, Intern, 2009-2010, Anesthesiologistreanimatologist (Intensive Therapy) Work experience:  Liv Bona Dea International Hospital, Emergency Physician June 2019 – present  International SOS (GIM) / BP AGT Caspian Sea "Shah Deniz Bravo" Project, Azerbaijan, Caspian Sea, Field doctor February 2017-November 2019  Azerbaijan National Anti-Doping Agency (AMADA), Azerbaijan, Baku, Doping Control Inspector June 2017  4th Islamic Solidarity Games, Azerbaijan, Baku, Medical consultant of Heydar Aliyev arena, May 2017  International SOS (GIM) / BP AGT Caspian Sea “Deepwater Gunashli” Project, Azerbaijan, Caspian Sea, Field Doctor January 2015 – January 2017  International SOS (GIM), Azerbaijan, Baku, site coordinator April 2014-December 2014  Doctor at the Central Neftchilar Hospital, Baku, Azerbaijan, Reanimation and Intensive Therapy Department (trial period) April-September 2012  Premium Assist Insurance Company, Azerbaijan, Baku, Chief Medical Expert (Night shift) AprilSeptember 2012  Medical intern at the Department of Anesthesiology and Intensive Therapy in various institutions under the Ministry of Justice of the Republic of Azerbaijan, Baku, Azerbaijan, August 2009- July 2010  Medi Club Clinic, Azerbaijan, Baku, Physician Assistant/Emergency paramedic August 2007 – July 2010 

Assoc. Prof. Dr. Ugur Korkmaz is a specialist in Gastroenterology. He focuses on diseases of the esophagus, stomach, liver, colon, pancreas, gallbladder, and bile ducts. He has published many articles in national and international journals. His work shows a strong dedication to improving gastroenterological care.

Dr. Korkmaz uses advanced treatments such as gastric botox, endoclipping for gastrointestinal bleeding, polypectomy, and endoscopic mucosal resection. He is known for his academic success and holds accreditations from leading Turkish medical institutions. He contributes to both clinical practice and research in his field.

Dr. Omer Necip Aytug is a respected gastroenterologist. He graduated from Hacettepe University School of Medicine in 1980. He became an internist at Cukurova University in 1985. He completed his gastroenterology fellowship at Marmara University in 1997.

He was named Associate Professor at Firat University in 1989. In 1998, he became a Professor at Abant Izzet Baysal University. Dr. Aytug has written many scientific papers and book chapters. He has also attended several national and international congresses.

He has held important academic and clinical roles at Duzce University Faculty of Medicine, Camlica Medicana Hospital, and Memorial Service Hospital. These positions have established him as an expert in gastroenterology.

Gastroenterologist

Assoc. Prof. Dr. Saydam Mehmet is a general surgeon at Lokman Hekim Istanbul Hospital (2025–present). His work covers oncologic, endocrine, and metabolic surgery. He performs laparoscopic surgery, including hernia repair and anti-reflux procedures. He also treats morbid obesity and type 2 diabetes. Sleeve gastrectomy is among his key procedures.

Education: He graduated from the Gülhane Military Medical Academy, Faculty of Medicine (1995–2001). He completed his general surgery residency there (2004–2009). He was a research fellow at the University of Miami/Jackson Memorial Hospital, Ryder Trauma Center (2015–2016).

Experience: He worked as a general surgery specialist at GATA Haydarpaşa, Girne Military, and Mevki Military. He later served as Associate Professor of General Surgery at Dışkapı, Sancaktepe, and Medical Park Gebze. Earlier, he practiced as a general practitioner in military medical services.

A specialist in the digestive system through MIR from the Hospital Clinic of Barcelona and a Doctor of Medicine from the University of Barcelona, he received his PhD from the University of Barcelona.

He completed his postgraduate training in the Gastroenterology Service of the Barcelona Hospital Clinic and then in the Department of Gastroenterology at Case Western Reserve University (Cleveland, USA), where he conducted cutting-edge research on inflammatory bowel diseases (IBD, Crohn's disease and ulcerative colitis).

From 2004 to 2011 he worked in the Gastroenterology Department of the Barcelona Hospital Clinic / IDIBAPS, and since 2011 he has worked as a specialist doctor in the Digestive System Department of the Teknon Medical Center in Barcelona.

He was a member of the Scientific Committee of ECCO and coordinator of the European project "IBDChip". He is the author of more than 150 publications and 500 presentations at conferences and conferences.

Experience:

Digestive system specialist, completed the MIR training program and completed his residency in this specialty at the Provincial Hospital of Barcelona between 1993 and 1996.

Doctor of Medicine from the University of Barcelona with the qualification "Distinguished Diploma Unanimously". In 2001 he received the Distinguished Doctorate from the University of Barcelona.

Between 1997 and 1999, he completed his postgraduate training in the Gastroenterology Department of the Provincial Hospital of Barcelona. Subsequently, he completed two internships in the Gastroenterology Department of Case Western Reserve University in Cleveland, USA, between 2000 and 2003, where he conducted cutting-edge research in the field of gastroenterology.

Since 2004 he has been working in the Gastroenterology Service of the Provincial Hospital of Barcelona / IDIBAPS, focusing on the treatment and research of inflammatory bowel diseases.

He is the author of numerous publications, conference papers and book chapters both nationally and internationally.

Member of the Catalan Society of Gastroenterology, the Spanish Association of Gastroenterology, the Spanish Working Group on Crohn's Disease and Ulcerative Colitis and the American Gastroenterological Association.

Areas of special interest: storage rhythm disorders, chronic diarrhea, inflammatory bowel diseases (Crohn's disease and ulcerative colitis) and other causes of chronic intestinal inflammation.

EXPERIENCE

2018 - Present, Istanbul, Turkey

MEMORIAL ATAŞEHİR HOSPITAL

Gastroenterology Specialist

2017 - 2018, Istanbul, Turkey

ULUS LIV HOSPITAL

Gastroenterology Specialist

2013 - 2016, Istanbul, Turkey

MEDICAL PARK BAHÇELİEVLER HOSPITAL

Gastroenterology Specialist

2011 - 2013, Nevşehir, Turkey

NEVŞEHİR STATE HOSPITAL

Mandatory Service

EDUCATION

2008 - 2011, Izmir, Turkey

DOKUZ EYLÜL UNIVERSITY

Gastroenterology Residency Training

2002 - 2007, Istanbul, Turkey

ISTANBUL FACULTY OF MEDICINE

Internal Medicine Residency Training

1994 - 2001, Istanbul, Turkey

MARMARA UNIVERSITY FACULTY OF MEDICINE

Medical Degree

SCIENTIFIC PUBLICATIONS

Numerous national and international articles and publications

PROFESSIONAL MEMBERSHIPS

• Turkish Gastroenterology Association

• Turkish Endoscopy Association

• Turkish Liver Research Association

• Internal Medicine Association

PARTICIPATION IN PROFESSIONAL TRAININGS, COURSES, AND CONFERENCES

Extensive participation in various professional training programs, courses, and congresses