Best Roux-en-Y Gastric Bypass doctors: TOP 35 doctors

Dr. Murat Ustun is a General Surgery Specialist in Istanbul with over 20 years of experience. He has worked at top hospitals, including Memorial Şişli Hospital, LIV Hospital Vadistanbul, and Acibadem Maslak Hospital. He also founded the Bariatric and Metabolic Center at Acibadem Maslak Hospital.

Dr. Ustun has performed more than 6,000 advanced laparoscopic surgeries. He is skilled in endoscopic, laparoscopic, revisional, and minimally invasive bariatric procedures. He has attended 4 symposiums, 7 congresses, and 10 workshops, courses, and certified trainings.

He is a member of several national and international associations. These include the British Obesity and Metabolic Surgery Society, the International Bariatric Club, and the International Federation for the Surgery of Obesity and Metabolic Disorders.

I’m Dr. Enrique Pliego Esquivel, a surgeon specializing in bariatric and metabolic surgery with over 8 years of experience transforming lives through advanced surgical solutions. I am proud to be one of the few bariatric surgeons in Mexico who is a member of the American Society for Metabolic and Bariatric Surgery (ASMBS). I am also certified by the Mexican Board of Obesity Surgery and the Mexican College of General Surgery.

My primary focus is providing comprehensive care to patients dealing with obesity, obesity-related conditions such as diabetes and hypertension, as well as managing complications from bariatric surgery. I also treat gastroesophageal reflux and reflux-related esophagitis, offering tailored solutions that significantly enhance my patients' quality of life.

Patients often highlight my professionalism, empathy, and dedication to understanding their unique needs. I take the time to listen and fully grasp their goals because I believe every case deserves a personalized approach and a clear path toward success.

My priority isn’t to see the most patients—it’s to deliver exceptional care and outstanding results for each individual. I am deeply committed to quality, staying accessible, and maintaining close communication with my patients throughout their journey.

If you’re looking for expertise, compassion, and results you can trust, I’m here to help you take the first step toward a healthier, happier life.

Education and Academic Titles

• Hacettepe University Faculty of Medicine – Medical Degree, 1992
• Başkent University Faculty of Medicine – General Surgery Residency, 1995
• Ankara Numune Training and Research Hospital – General Surgery Residency, 2000
• Gaziantep University Faculty of Medicine – Assistant Professor of General Surgery, 2007
• Interuniversity Council – Associate Professorship, 2018
• Istanbul Aydın University – Professorship, 2023
• Second Bachelor’s Degree: Anadolu University – Public Administration, 2008
• Master’s Degree: Akdeniz University – Health Law, 2023

Prof. Dr. Samet Yardımcı
Obezite ve Metabolik Cerrahi, Gastroenteroloji Cerrahisi, Genel Cerrahi Uzmanı

İlk ve orta öğrenimini Antakya’da tamamladıktan sonra 1997 yılında Ankara Üniversitesi Tıp Fakültesi’ne kabul edilerek Tıp eğitimine başladı. 2003 yılında Tıp fakültesinden mezun olduğu sene tıpta uzmanlık sınavını kazanarak Haydarpaşa Numune Eğitim ve Araştırma Hastanesi’nde Genel Cerrahi asistanlığına başladı.

2008-2009 yıllarında Amerika Birleşik Devletleri’nin Houston kentinde MD Anderson kanser merkezi’nde ve Memorial Herrman hastanelerinde kanser cerrahisi ve organ nakli konularında eğitim aldı. Türkiye’ye döndükten sonra 2009 yılında yapılan genel cerrahların katıldığı yan dal sınavında Türkiye birincisi oldu. Bu sınav başarısının peşinden 2009-2012 yılları arasında Türkiye Yüksek İhtisas Hastanesi’nde Gastroenteroloji Cerrahisi (sindirim sistemi cerrahisi) eğitimi aldı.

2012 yılında Türkiye’nin en genç Gastroenteroloji Cerrahı oldu ve Marmara Üniversitesi Pendik Eğitim ve Araştırma Hastanesine atandı. 2012 – 2018 yılları arasında, Marmara Üniversitesi Tıp Fakültesi öğrencilerine ve genel cerrahi asistanlarına birçok ders verdi, hastalara yönelik ve cerrahlara yönelik birçok eğitim faaliyetinde rol aldı. İleri laparoskopik cerrahi, Obezite ve Metabolik cerrahi alanında çalıştı, ayrıca organ nakli ve İnflamatuar barsak hastalıkları cerrahisi ünitelerinin kurulmasında aktif olarak rol aldı. 2017 mart ayında yapılan sınavla Doçent ünvanınına layık görüldü.

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

Dr. Peter Vasas is a Consultant Bariatric Surgeon. He specializes in general, hepatobiliary, and both lower and upper gastrointestinal surgeries. He has performed over 800 bariatric procedures, including complex revision surgeries. Dr. Vasas has achieved a 0% leak rate and mortality, reflecting a strong commitment to patient safety.

His expertise includes gastric bypass, sleeve gastrectomy, laparoscopic cholecystectomy, hernia repairs, gallstone surgery, reflux surgery, and minimally invasive colo-proctology. Dr. Vasas holds a PhD from Semmelweis University, an MD from the Medical University of Debrecen, and an MSc from University College London.

He completed a bariatric fellowship sponsored by Ethicon in the UK and Belgium. Dr. Vasas is a member of the British Obesity and Metabolic Surgery Society, the Hungarian Surgeons Society, and the Royal College of Surgeons in London.

Dr. Antanas Mickevicius is a highly experienced Bariatric surgeon with 30 years of experience and qualifications from the Kaunas Medical University. He is trained in Sweden, the UK, and the Netherlands and performs over 200 bariatric surgeries in the UK and Lithuania every year. He specializes in Gastric Bypass, Gastric Sleeve, Gastric Plication and other procedures, treating conditions such as Morbid Obesity and Being overweight. He is a member of the Lithuanian Society of Bariatric and Metabolic Surgery and International Federation of Surgery for Obesity (IFSO).

Education and Specialization

• Ankara University Faculty of Medicine – Medical Education
• Ankara University Faculty of Medicine – General Surgery Specialization
• Akdeniz University Faculty of Medicine – Associate Professorship
• Akdeniz University Faculty of Medicine – Professorship

Professional Memberships
• Turkish Medical Association
• Mediterranean Health Foundation
• Akdeniz University Development and Health Foundation
• Transplantation Organizations Coordination Association
• National Surgical Association

Some of the most relevant points in Dr. Rosales' CV are:

- Dr. Gabriel Rosales obtained his medical degree from the Universidad de Monterrey in Monterrey, Mexico, accredited by the Southern Association of Colleges and Schools (SACS).
- He completed his residency in general surgery and advanced laparoscopy at the Hospital Christus Muguerza Alta Especialidad hospital endorsed by the Joint Commission International (JCI).
- He completed his advanced training in laparoscopic skills at the Hospital Christus Muguerza Alta Especialidad.
- Member of the International Federation for the Surgery of Obesity and Metabolic Diseases (IFSO)
- Member of the American Society of Endoscopist Surgeons (ASMBS)
- Active Member of the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) .
- Member of the Mexican Association of Endoscopic Surgery.
- Belongs to the International Council of Medicine and Surgery based on the United States (International Board of Medicine and Surgery (IBMS).
- Certified by the Mexican Council of General Surgery.
- Has completed multiple training courses in Mexico and the United States.
- Member of the surgical staff of the most recognized Hospitals in northern Mexico.
- As an experienced surgeon in obesity surgery in Monterrey, Piedras Negras and Laredo, he is recognized by his patients and colleagues.

EXPERIENCE AND STUDIES/MEETINGS

He focused his career in the field when he realized that bariatric surgery procedures offer patients such a life-changing experience.

‍Throughout his career he has participated in more than 8000 gastric sleeve and Lap band procedures.

- Completed his general surgery and advanced laparoscopic residency at Christus Muguerza High Speciality Hospital a Joint Commission International accredited hospital.

- Multiple training courses in Mexico and USA.

- As an experienced weight loss surgeon in Piedras Negras, Nuevo Laredo and Monterrey, Mexico, he is highly regarded by his patients and peers a like.

These professional affiliations allow Dr. Rosales to remain on the leading-edge of developments in weight loss surgery, so that he can provide innovative, effective treatment to all of his patients. Fluent in English and Spanish, Dr. Rosales welcomes patients from throughout Mexico, the United States, and Canada.Dr. Rosales takes pride in his work, and nothing gives him more satisfaction than the health, happiness, and joy that his patients are able to achieve following weight loss surgery.

Dr. Gabriel Rosales earned his medical degree at the Universidad de Monterrey in Monterrey, Mexico, a Southern Association of Colleges and Schools accredited university. (SACS from the U.S.)
‍
He completed his residency in General Surgery at Christus Muguerza High Specialty Hospital.

Studies:

• Título de Medicina
• Cedula Profesional
• Título Especialidad en Cirugía General
• Cédula Especialista
• 2007 - Christus Muguerza - Constancia Especialidad Médica
• 2007 - Christus Muguerza - Certificado Jefe Residentes Cirugia General
• 2007 - Christus Muguerza - Entrenamiento en Laparoscopia Básica y Avanzada
• 2010 - SAGES International member certificate
• 2014 - ASMBS International Member Certificate

Cursos de Postgrado y Congresos

• 1995 - Cruz Roja Mexicana - RCP Básico y Avanzado
• 2003 - Christus Muguerza - Curso RCP Básico y Avanzado
• 2004 - American College of Surgeons - Congreso Latinoamericano de Cirugía
• 2004 - Colegio Americano de Cirujanos - VIII Congreso Latinoamericano de Cirugía ACS
• 2004 - Facultad de Medicina UANL - Curso Avanzado de Apoyo en Trauma ATLS
• 2004 - Facultad de Medicina UANL - Curso Internacional Tópicos Selectos en Cirugía General
• 2005 - Asociación Mexicana de Cirugía Endoscópica - XVI Congreso Internacional de Cirugía Endoscópica
• 2005 - Cirugía de Control de Daños
• 2006 - Asociación Mexicana de Cirugía Endoscópica - Congreso Internacional de Cirugía Endoscópica
• 2006 - Facultad de Medicina UANL - Conceptos Actuales en Cirugía General
• 2006 - Hospital Central Militar - MiniFellowship Cirugia de Invasión Mínima
• 2006 - Asociacion Mexicana de Gastroenterologia - Controversias Actuales en Gastroenterología y Hepatología
• 2007 - Asociación Mexicana de Cirugía General - XXXI Congreso Internacional de Cirugía General
• 2007 - Consejo Mexicano de Cirugía General - Certificado Especialista
• 2009 - Cine Med - Complex Bariatric Cases and Emerging Concepts
• 2009 - SAGES - Laparoscopic Foregut Surgery Hands On Course
• 2009 - SAGES - Scientific Session and Postgraduate Courses
• 2010 - SAGES - 12th World Congress of Endoscopic Surgery Scientific Session and Postgraduate Courses
• 2011 - SAGES - Scientific Session and Postgraduate Courses
• 2014 - Facultad de Medicina UANL - XXV Congreso Anual Cirugía Moderna Basada en Evidencia
• 2014 - IFSO - IFSO XIX World Congress
• 2015 - Asociación Mexicana de Cirugía General - XXXIX Congreso Internacional de Cirugía General
• 2016 - Colegio Mexicano de Cirugía para la Obesidad y Enfermedades Metabólicas, A.C. - Primer Congreso Nacional para el Manejo Quirúrgico y Multidisciplinario de la Diabetes Tipo 2
• 2016 - Colegio Mexicano de Cirugía para la Obesidad y Enfermedades Metabólicas - Primer Curso de MGB/OAGB (Bypass Mini Gástrico)
• 2017 - SAGES - Scientific Session and Postgraduate Course

Medical Doctorate in surgery

Consultant of laparoscopic and weight loss surgeries

Member of the Royal College Of Surgeons, England

Member and instructor At Alexandria Endoscopic Association (ALEXEA)

Member of the Egyptian Society for Obesity Surgery 

Member of the Egyptian Society for laparoscopic surgeons 

World renowned for his expertise in Obesity Surgery 

Reviewer in many international journals (Obesity Surgery, International journal of surgery, Surgical Endoscopy)

Whatclinic service award 2023 for serving patients from all around the world 

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 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

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.

Thanakom Sukcharoen, M.D.

Expertise

Anti-Aging and Regenerative Medicine & Men Health Specialist

Graduated (M.D. From)

2012 Doctor of Medicine, Thammasat University

2019 Master of Science in Dermatology, Chulabhorn International College of Medicine, Thammasat University

Certificates

2020 American Board of Anti-Aging and Regenerative Medicine (ABAARM), USA

2021 Certificate of Preventive Medicine Specialist, Medical Council

2021 Diploma in Clinical Sexology & Sexual Medicine, Faculty of Medicine, Thammasat University

Current Positions

Anti-Aging and Regenerative Medicine & Men Health Specialist at Intrarat Hospital

Education
1991 to 1997 Istanbul University Cerrahpaşa Faculty of Medicine
1998 to 2003 Ministry of Health Göztepe Training and Research Hospital

Experience
1997 to 1998 Van Edremit Health Center
1998 to 2003 Ministry of Health Göztepe Training and Research Hospital, Resident Doctor
2004 to 2007 Sivas State Hospital, General Surgery Clinic, Specialist Doctor
2007 to Present Medical Park Bahçelievler Hospital, Associate Professor

Professional Memberships
-Turkish Medical Association
-Turkish Surgical Society
-Society of Bariatric and Metabolic Surgery
-Turkish Society of Colon and Rectal Surgery
-Society of Endocrine Surgery

Professor Burhan Mayir isespecially interested in metabolic and bariatric surgery, also. He performs single port (scarless) sleeve gastrectomy, gastric by pass procedures and revisional bariatric surgeries. He has experience about metabolic-bariatric surgery, gastro-esophagus reflux surgery, endoscopic thyroid surgery (scarless thyroidectomy), cancer surgery, hernia surgery, adrenal gland surgery, other gastrointestinal surgical procedures, liver surgery, spleen surgery, hemorrhoid surgery and anal fissure surgery. He has speeches in various congresses and meetings, over 60 articles published in national and international refereed journals, and over 100 abstracts presented at congresses.