Page 3 - Best Gastroscopy with biopsy doctors: TOP 112 doctors

Dr. Harald Rosen is a leading abdominal surgeon. He specializes in endocrine, gastrointestinal, liver, colon, and bariatric surgeries. His expertise includes complex procedures such as sleeve gastrectomy and gastric anastomosis. Dr. Rosen is known for his research on improving the quality of life for rectal cancer patients after surgery. He also has a strong academic background in surgical oncology, with a focus on gastroenterology and breast cancer.

Dr. Rosen is President of the European Society of Surgery. He is also a Professor of Surgery at Vienna Medical School. He is accredited by the European Council for Surgical Qualifications and the Austrian Medical Council. Dr. Rosen has performed over 5,000 advanced surgeries with excellent results. He has published widely and is often invited as a visiting professor around the world.

Pediatrician, Pediatric Gastroenterology and Nutrition Specialist

Education

Yeditepe University School of Medicine

Professor of Pediatrics (Chair of the Department)

2004 - 2007

Dokuz Eylül University School of Medicine

Pediatric Gastroenterology Sub-specialty

1995 – 1998

Hacettepe University School of Medicine

Pediatrics Instructor

1985 - 1987

Professional Experience

Ataşehir Florence Nightingale Hospital

Pediatrician, Pediatric Gastroenterology

2017 – Present

Kadıköy Şifa Ataşehir Hospital

Pediatric Gastroenterology and Nutrition

2013 – 2017 

Dokuz Eylül University School of Medicine

Professor of Pediatrics

1994 – 2004

Publications

Cevik N, Buyukgebiz B. Interaction between human blood group (ABO) substances and enteropathogenic

bacterial agents. Turk J Pediatr. 1987. Link

Buyukgebiz B, Ozalp I, Oran O. Investigation of serum vitamin A levels of children who had a history of

recurrent diarrhoea. J Trop Pediatrics. 1990. Link

Languages

Turkish: Native

English: Advanced

Education

2005 – M.D., Istanbul University, Istanbul Faculty of Medicine

2010 – Internal Medicine Specialization, Haseki Training and Research Hospital

2021 – Gastroenterology Subspecialty Training, Sakarya University Faculty of Medicine

Academic & Professional Experience

Assistant Professor, Istanbul Florence Nightingale Hospital

Assistant Professor, Istanbul Bilim University Faculty of Medicine

Assistant Professor, Istanbul Yeni Yüzyıl University Faculty of Medicine

Head of Department, Giresun University Faculty of Medicine

Scientific Publications

Dr. Acar has authored over 20 international peer-reviewed articles in the fields of internal medicine and gastroenterology. Her notable contributions include studies and case reports on:

Gastrointestinal bleeding management in anticoagulant users

Rare GI cases such as bezoars, aortoesophageal fistulas, and massive hemorrhagic ascites

Liver transplantation complications, including graft-versus-host disease

The role of (pro)hepcidin in IBD-related anemia

Endoscopic interventions for acute GI bleeding

Covid-19 treatment agents and their GI implications in Turkey

(Full publication list available upon request)

Clinical Expertise

Gastrointestinal bleeding & endoscopic procedures

Hepatology & liver disease management

Inflammatory bowel diseases (IBD)

Complex GI case diagnostics

Post-transplant GI complications

Diabetic GI and cardiovascular comorbidities

Dr. Saban Sec is a medical oncologist with experience at leading hospitals, including Haseki Training and Research Hospital, Prof. Dr. Cemil Taşcıoğlu City Hospital, and Bahçelievler Medikalpark Hospital. He currently represents specialist physicians in the Turkish Medical Oncology Association. He is also a member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.

Dr. Sec treats breast, lung, gastrointestinal, prostate, urogenital, head and neck cancers, as well as sarcomas and rare tumors. He has published many peer-reviewed articles on cancer prognosis, treatment outcomes, and survival rates. His research includes studies with large patient groups, such as 138 patients with HER2-positive metastatic gastric cancer. Dr. Sec focuses on prognostic factors and treatment responses in different cancers. He is dedicated to improving cancer care.

Education

Sackler Faculty of Medicine, Tel Aviv University

Specialization

2002-2006 - Internal Medicine, Department of Internal Medicine I, Tel Aviv Medical Center

2007-2010 - Gastroenterology, Institute of Gastrointestinal and Liver Diseases, Tel Aviv Medical Center.

Recognized experience

Internal Medicine and Gastroenterology

Additional education

2007- Weizmann Institute, immunology

2010-2013 - University of North Carolina, Chapel Hill, USA, immunology, microbiology and inflammatory bowel diseases.

Clinical experience

1998-2002 - military doctor of the academic reserve.

2013 - present - Senior Physician at the Institute of Gastrointestinal and Liver Diseases, Tel Aviv Medical Center.

2014 - Present - Director of the Bacteriotherapies Clinic.

From 2017 to the present - Director of the Department of Inflammatory Bowel Diseases.

Academic experience

Senior Lecturer, Department of Internal Medicine, Tel Aviv University

Attending conferences

More than 60 conferences

Professional publications

More than 80 professional publications

Trade union membership

Israel Medical Association

Israel Gastroenterology and Liver Diseases Association

American Gastroenterological Association

European Crohn's and Colitis Organization

Areas of special interest and activities

Inflammatory bowel disease

Bacterotherapy - research and treatment with fecal bacteria

Dr. Sebastian F. Schoppmann is an expert in general and visceral surgery. He has focused on upper gastrointestinal (GI) surgery since 2007. He leads the Gastroesophageal Tumor Unit (CCC-GET) at the Comprehensive Cancer Center Vienna. He is also an Associate Professor of Surgery at the Medical University of Vienna.

Dr. Schoppmann has published over 240 peer-reviewed articles. He serves as a consulting or associate editor for several leading surgical and oncology journals. He is the General Secretary of the Austrian Society of Surgical Oncology. He has also held important leadership roles in surgical oncology organizations. His work has helped advance upper-GI cancer surgery.

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

Dr. Gerhard Prager is a leading bariatric surgeon. He has performed over 3,000 bariatric operations using advanced techniques such as gastric bypass, sleeve gastrectomy, and biliopancreatic diversion. He serves as Chairman of the Scientific Advisory Board for Bariatric Surgery at IFSO. Dr. Prager has played a key role in shaping international standards in obesity surgery.

Dr. Prager’s practice uses a multidisciplinary approach. He works closely with endocrinologists, psychologists, nutritionists, and other specialists to provide complete patient care. He is active in research, education, and advanced surgical training. Dr. Prager has trained surgeons from more than 50 countries.

He is accredited by the International Federation for the Surgery of Obesity and Metabolic Disorders and the American Society for Metabolic and Bariatric Surgery.

Prof. Rafael Bruck is a highly experienced gastroenterologist and hepatologist with 40+ years of experience. He specializes in the treatment of acute and chronic diseases of the esophagus, stomach, small and large intestines, pancreas, gastrointestinal cancer, and biliary duct and liver abnormalities. He is a member of several medical organizations, including the American Medical Association.

Dr. Martin Schindl is a senior consultant at the University Hospital of Surgery, Vienna General Hospital. He specializes in surgery of the pancreas, liver, gallbladder, and bile ducts. He also focuses on surgical cancer therapy. Dr. Schindl leads the surgical outpatient clinic for pancreatic and biliary diseases. He coordinates the interdisciplinary pancreatic cancer group at the Comprehensive Cancer Center Vienna.

He founded the ABCSG Pancreas Working Group. Dr. Schindl reviews articles for international surgical journals. He is a member of several national and international surgical societies. He also serves on the ethics committee of the Medical University of Vienna. Dr. Schindl has made important contributions to cancer therapy research and patient support programs.

Dr. Camel Kopty is a specialist in internal medicine, gastroenterology, endoscopy, and hepatology. He focuses on liver and pancreatic diseases, as well as bile duct disorders. He has performed more than 28,000 diagnostic and therapeutic endoscopic procedures. Dr. Kopty has strong experience in gastroscopy and colonoscopy.

He has received several awards and quality certificates in clinical endoscopy. His research in hepatology, including hepatitis B and C, has gained international recognition. Dr. Kopty has published many articles and received FDA research awards for his work.

Dr. Bentov Amir is a pediatrician and pediatric gastroenterologist with over 22 years of clinical experience. He specializes in treating pediatric inflammatory bowel diseases, celiac disease, and eosinophilic esophagitis. He is also skilled in performing endoscopic procedures in children.

Dr. Amir earned his medical degree at Tel Aviv University. He completed his training in pediatrics and pediatric gastroenterology at Dana-Dwek Children's Hospital. He lectures at Tel Aviv University and is a member of several professional organizations, including the European Society of Pediatric Gastroenterology, Hepatology and Nutrition. Dr. Amir is recognized for his clinical work and academic contributions in his field.

Dr. Victor Alexander Krol - Chief of Gastroenterology, Internal Medicine and Obesity Treatment Center at Martinus Hospital

Dr. Victor Alexander Krol is a highly qualified specialist, heading the departments of gastroenterology and internal medicine. With many years of experience and deep knowledge in his field, Dr. Krol has established himself as an outstanding expert, providing patients with comprehensive treatment and an individual approach. He actively uses the latest methods of diagnosis and treatment of diseases of the gastrointestinal tract, metabolism, as well as diseases of the cardiovascular and respiratory systems.

Dr. Krol is also the director of the certified Obesity Treatment Center at Martinus Hospital, which provides surgical and endoscopic treatments for obesity. The center uses advanced technology to diagnose and treat obesity (adiposis), including methods such as bariatric surgery, endoscopic weight loss, and specialized programs for patients with different stages of obesity. The center is certified to high standards and has excellent results in the treatment of this serious disease.

The Gastroenterology Department, headed by Dr. Krol, diagnoses and treats diseases of the stomach, intestines, liver, pancreas, and gallbladder. The doctors of the department use a wide range of methods, including endoscopic procedures, ultrasound, and other modern diagnostic technologies.

The Department of Internal Medicine covers a wide range of diseases, including cardiology, diabetology, infectology, and therapy of respiratory and renal diseases. Dr. Krol and his team provide a comprehensive approach to treatment using the most advanced methods of medicine.

Thanks to his high professionalism and humane approach to each patient, Dr. Krol deservedly enjoys the respect of colleagues and patients.

Associate Professor Dr. Yusuf AÇIKGÖZ
Specialization: Medical Oncology

Education:

• 2004-2011: İnönü University Faculty of Medicine
• 2011-2016: Ankara Numune Training and Research Hospital, Internal Medicine
• 2017-2022: Health Sciences University, Medical Oncology

Professional Experience:

• 2016-2017: Bingöl City Hospital, Internal Medicine
• 2021-2022: Health Sciences University, Medical Oncology
• 2022-2023: Kastamonu Education and Research Hospital, Medical Oncology
• 2023-2024: Ohio State University, Medical Oncology
• 2024-Present: Lokman Hekim University, Medical Oncology, Ankara Hospital

Clinical Trials, Courses, Certifications:

Clinical Trials:

• 2017-2021: Phase III, CheckMate-649 Study (Assistant Investigator)
• 2022-Present: Phase III, Fortitude-101 Study (Assistant Investigator)

Courses:

• 2018: Medicres Basic and Advanced Biostatistics Training Program (ongoing), Istanbul-Vienna
• 2019: Immuno-Oncology Education Course, March 1-2, 2019, Vienna, Central European Cooperative Oncology Group (CECOG)
• 2018: Good Clinical Practice Certification, April 7-8, 2018, Ankara, Health Sciences University
• 2017: Basic Oncology Training Program, November 25-26, 2017, Adana, Clinical Oncology Society
• 2016: Basic Ultrasonography Course (10 hours theoretical + 10 hours practical), September 24-25, 2016, Ankara, Turkish Emergency Medicine Association

Certifications:

• Ongoing: ECFMG Certification
• 2024: CITI Responsible Conduct of Research (The Ohio State University)
• 2024: CITI IACUC-Laboratory Animal Research (The Ohio State University)
• 2024: CITI Human Subjects Protection (The Ohio State University)
• 2024: CITI Good Clinical Practice (The Ohio State University)
• 2023: Occupational English Test (OET)
• 2019: International English Language Testing System (IELTS), Total Score: 6.5, May 26, 2019, Ankara, British Council
• 2017: USMLE Step 2 CK Exam; Score: 244, February 7, 2017
• 2016: USMLE Step 1 Exam; Score: 215, August 25, 2016

Memberships:

• American Society of Clinical Oncology (ASCO) - 2022
• Turkish Society of Medical Oncology - 2020

Dr. Viola Fox is the Chief Physician at the Clinic for Haematology, Oncology, and Palliative Medicine at BKZ Solingen. This clinic is a certified interdisciplinary cancer center. Dr. Fox is a leading expert in drug therapy for tumor diseases in Germany and Europe. She has more than 15 years of experience in this field.

She is a member of the German Society of Oncology and Haemato-oncology (GDHO), the German Association of Physicians, and the American Association for Cancer Research. Dr. Fox is also active in molecular biology research. Her work supports progress in cancer treatment and molecular diagnostics.

Her main areas of expertise are chemotherapy, immunotherapy, targeted therapy, and radiation therapy. Dr. Fox is known for her innovative methods and strong commitment to patient care. Her efforts have led to high recovery rates and recognition from her peers.

Dr. Siegbert Rossol is a highly experienced gastroenterologist with over 34 years of experience in the field. He is a member of various medical societies and has studied human medicine, health management, and interventional sonography. He has published numerous articles and has exceptional expertise in endoscopic therapy, endobarrier therapy, and inflammatory bowel disease.

Gastroenterologist

Crohn's disease

Ulcerative colitis

Other autoimmune diseases

Gastritis

Ulcers of the stomach and duodenum

Precancerous conditions of the gastrointestinal tract

Irritable bowel syndrome

Chronic diarrhea

Chronic constipation, etc.

SPECIALIZATION:

Gastroenterologist

EDUCATION:

Azerbaijan State Medical University

COURSES:

Graduated from the Azerbaijan State Medical University. In different years, he participated in seminars held in Azerbaijan by German, Colombian, Swiss, Russian and Ukrainian specialists on "Basics of Homotoxicology", gastroenterology, isopathy, acupuncture and neurotherapy, and received the relevant certificates. At the Sisli Etfal Hospital Egitim Araştırma in Istanbul he attended the refresher courses on "Metabolic Disorders and Obesity", Ege University of Izmir on "Inflammatory Bowel Diseases" and at the same time he attended the Congress on Bioregulatory Drugs in Germany. He attended the courses held Individual Medical Association in Ankara, on the topic of "PRP-CGF and Serum Ozonation". Currently working as a gastroenterologist in the clinic of biological medicine. Has successful results in the treatment of a number of chronic diseases of the gastrointestinal tract.

EXPERIENCE:

21 years old

Education:

• Degree: Faculty of Medicine, Trakya University, 2009
• Medical Specialty: Internal Medicine, Bakırköy Dr. Sadi Konuk Training and Research Hospital, 2010-2014
• Specialist Doctor: Internal Medicine, Kanuni Sultan Süleyman Training and Research Hospital, 2014-2019
• Specialist Doctor: Internal Medicine, Turkish Hospital Internal Medicine Clinic, Qatar, 2019-2020
• Specialist Doctor: Internal Medicine, Istanbul Medipol University Hospital Mega Hospital Internal Medicine Department, 2020-2024
• Associate Professor Doctor: Internal Medicine, Istanbul Medipol University Medipol Acıbadem Regional Hospital, 2024-Present.

Roles in Projects:

Sub investigator (Assistant Researcher) in the SOUL Study: Cardiovascular Outcome Research of Semaglutide in Type 2 Diabetic Patients, approved by the Turkish Medicines and Medical Devices Agency on May 22, 2019.

Sub investigator (Assistant Researcher) in the international study “SCALE™ Insulin”: Efficacy and Safety of Liraglutide 3.0 mg in Overweight or Obese Patients with Type 2 Diabetes Treated with Basal Insulin (Study Code: NN8022-4272), conducted by Novo Nordisk A.Ş.

Subinvestigator (Assistant Researcher) in the international study NN5401-4266 StepByStep Intensification conducted by Novo Nordisk.

Assistant Researcher in the study "A Research Study to Compare Semaglutide to Insulin Aspart, When Taken Together With Metformin and Insulin Glargine, in People With Type 2 Diabetes (SUSTAIN 11)" (2019-2020).

Assistant Researcher in the PIONEER 1 study: Randomized Clinical Trial of the Efficacy and Safety of Oral Semaglutide Monotherapy in Comparison With Placebo in Patients With Type 2 Diabetes.