Page 3 - Best gastroenterologists: TOP 208 doctors

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

Dr. Holovyna Svitlana is a gastroenterologist and nutritionist with more than 23 years of experience. She is a member of the Association of Dietitians and Gastroenterologists of Ukraine. She also belongs to the European Association for the Study of the Liver (EASL) and the Association of Preventive and Anti-Age Medicine.

Dr. Holovyna diagnoses and treats gastrointestinal disorders, metabolic diseases, and nutrition-related issues. She uses an integrated and evidence-based approach. Her focus is on restoring digestive health, managing chronic conditions, and improving patient well-being with personalized diet and treatment plans.

Dr. Seymur Aslanov is a specialist in internal medicine and gastroenterology. He received advanced training at Ege University Faculty of Medicine Hospital. Dr. Aslanov diagnoses and treats many gastrointestinal diseases. His expertise includes inflammatory bowel diseases, digestive system cancers, liver and pancreatic diseases, and gastrointestinal bleeding.

He is skilled in advanced endoscopic procedures. These include ERCP, colonoscopy, endoscopic polypectomy, and stenting for gastrointestinal stenosis. Dr. Aslanov has worked as a research assistant and subspecialist at Ege University. He has also served as an internal medicine specialist at Izmir Medical Point.

He is a member of the Izmir Medical Chamber.

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. 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.

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 

• 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.

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)

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.

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.

Dr. Keerapat Phiromkraiphakdi is an expert plastic surgeon and consultant at the Center for Aesthetic Plastic Surgery. He specializes in plastic surgery. His core expertise is cosmetic surgery.

He earned degrees in general surgery and plastic surgery from Vajira Hospital and Ramathibodi Hospital. He also completed advanced plastic surgery training in the United States at UTHSC, PACES Plastic Surgery, and UMC.

He is a medical professor at Srinakharinwirot University and the Panyananda Bhikkhu Medical Center, Irrigation Department. He is a member of the Thai Society of Plastic Surgeons.

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.

Dr. Pimchaya Panichkul is a licensed physician since 2002. Her training includes dermatology, surgery, anti-aging medicine, and facial plastic procedures.

Credentials: Doctor of Medicine (Rangsit University). Diploma in Dermatology and Surgery (USA). Certificate in Anti-aging Medicine. Certificate in Facial Plastic Surgery (Korea). Professional membership: Panasia Cosmetic.

Dr. Jan Kulawik, MD, PhD, is a member of the Bariatric and Laparoscopic Surgery Team. He is a bariatrician and general surgery specialist.

Jan Kulawik, M.D., assists with procedures in the field of:

Obesity surgery

• Gastric Sleeve Surgery
•  
• Gastric Bypass Surgery
•  
• Mini Gastric Bypass
•  
• Revisional Bariatric Surgery
•  
• Gastric Band Removal
•  
• Weight Loss Balloon

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

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.