Page 4 - Best Gastric bypass doctors: TOP 71 doctors

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.

Education

• Hacettepe University Faculty of Medicine / 2003
• Şişli Etfal Training and Research Hospital / 2009
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Experience

• 2023 - Presently Güneşli Erdem Hospital
• 2021 - 2023 Şişli Etfal Training and Research Hospital
• 2019 - 2021 Bağcılar Training and Research Hospital
• 2017 - 2019 Private Surp Pırgiç Armenian Hospital
• 2011 - 2017 Private Camlica Erdem Hospital
• 2010 - 2011 Göle State Hospital
• 2009 - 2010 Edremit Military Hospital
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Professional Memberships

TTB-Istanbul Medical Chamber

Turkish Surgery Association

Turkish Colon and Rectum Surgery Association

Turkish Hepato-Pancreato-Biliary Surgery Association

Procedures Performed

• Laparoscopic gastric cancer, colon cancer and rectal cancer operations
• Laparoscopic anti-reflux surgery
• Laparoscopic appendectomy (appendicitis)
• Laparoscopic cholecystectomy (gallbladder)
• Endocrine Surgery
• Gastroenterology Surgery
• Tube Stomach Surgery
• Gastric Bypass
• Gastric Balloon
• Swallowable Gastric Balloon
• hemorrhoid disease
• Anal fissure-fistula disease
• inguinal hernia
• incisional hernia
• umbilical hernia
• anal abscess
• hair transplant surgery

Dr. Mehdi is a highly experienced bariatric surgeon, renowned for his expertise in weight loss surgeries and his dedication to improving the health and well-being of his patients. With years of specialized training and extensive practice, he has successfully performed numerous life-changing procedures, helping individuals achieve significant and sustainable weight loss. Dr. Mehdi combines advanced surgical techniques with a patient-centered approach, ensuring that every procedure is carefully tailored to meet the unique needs and health goals of each individual. His expertise includes a range of bariatric procedures, such as gastric bypass, sleeve gastrectomy, and revisional surgeries, all designed to provide effective and lasting results. Known for his compassionate care, Dr. Mehdi works closely with patients throughout their journey, offering guidance, support, and education to help them embrace a healthier lifestyle. His exceptional outcomes and commitment to excellence have earned him a reputation as a trusted leader in bariatric surgery, attracting patients seeking transformative solutions to obesity and related health challenges.

Dr. Osman Aktas has been serving as a general surgeon at Ataşehir Avicenna Hospital since 2005. Born in Kayseri in 1960, he graduated with his medical degree from Ankara University in 1983. Following his graduation, he fulfilled his military service in medical units for two years. He completed his general surgery residency at GATA from 1986 to 1990. After specializing in general surgery, He held key positions as head of general surgery departments and chief physician in several prominent military hospitals, including Tatvan, Diyarbakır, Ankara, and Manisa.

Dr. Osman has had a special focus on endoscopic surgery since 1995. He received advanced training in laparoscopic surgery techniques in Germany and has successfully performed a wide range of laparoscopic procedures. His expertise extends to gallbladder surgery, abdominal wall and inguinal hernia repairs, appendicitis, reflux and stomach surgeries, as well as complex cases such as gastrointestinal tumors, intestinal obstructions, and various other intestinal diseases, all managed through minimally invasive methods.

In 2002, Dr. Osman transitioned to the private sector, where he broadened his practice to include modern treatments for anal diseases like hemorrhoids, fistulas, and fissures, utilizing advanced techniques such as laser therapy.

Dr. Osman is also recognized for his significant contributions to oncological surgery. He has a wealth of experience in the surgical treatment of various cancers, including breast and thyroid cancer, where he has implemented new treatment methods that reduce the risk of complications. His surgical expertise spans critical cancer surgeries, such as the Whipple procedure for pancreatic cancer, colorectal cancer resections, gastric cancer, and other complex malignancies. Additionally, his skills in metabolic surgery have led to lasting outcomes for patients suffering from obesity and diabetes, ensuring a better quality of life through sustained weight loss and reduced risk of diabetes.

With his vast experience and advanced skills in both laparoscopic and cancer surgeries, Dr. Osman remains at the forefront of surgical excellence, offering innovative and comprehensive care to all his patients.

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

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

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

Education

1998 – Beykent University Hospital

2004 – Beykent University Hospital, General Surgery

Medical Interests:

Obesity Surgery

Laparoscopic Surgeries (Minimally Invasive)

Bariatric Surgery:

Gastric Sleeve Surgery

Gastric Bypass (Roux-en-Y)

Gastric Balloon

Gastric Botox

Other Surgeries and Treatments:

Cancer Surgery

Gallbladder Surgeries

Pilonidal Sinus Treatment

Hemorrhoid and Anal Fissure Surgery

Reflux Surgery

Endoscopic and Laparoscopic Interventions

Oncological Surgery

Asst. Prof. Dr. Ömer Bilgehan Poyrazoğlu is a general and bariatric surgeon with over 20 years of clinical and academic experience. He graduated from Erciyes University Faculty of Medicine. He completed his general surgery specialization at the same institution.

His practice focuses on bariatric and metabolic surgery. He also performs advanced laparoscopic and robotic procedures, gastrointestinal and hepatobiliary surgery, and endoscopy. He received advanced training in obesity and robotic surgery in France, Ankara, and Istanbul. He has performed many procedures for local and international patients.

Dr. Poyrazoğlu is a member of the Turkish Surgical Society, Turkish Liver Transplant Association, Turkish Medical Association, and IFSO. He has published in international peer‑reviewed journals and presented at leading surgical meetings. He provides safe, modern, evidence‑based care.

Dr. Tamer Abdelbaki, MD, MS, MRCS, PhD, is a globally recognised Consultant in Bariatric and Metabolic Surgery and a Professor of Surgery at Alexandria University. He invented the Bikini Sleeve technique. This high-precision gastric sleeve approach leaves minimal visible scarring. He has treated thousands of international patients seeking safe, effective, and aesthetically superior weight-loss surgery in Egypt.

Accreditations: Member of the Royal College of Surgeons (UK). ECFMG certified (USA). Training: Fellowships at Case Western Reserve University and the University of Pittsburgh (USA). Professional affiliation: Member of IFSO.

Dr. Manuel Rodrigo Prieto Aldape is a bariatric and metabolic surgeon in Guadalajara, Mexico. He has over 21 years of practice and has performed more than 3,500 procedures. He is board-certified in general surgery and bariatric surgery by the Mexican Board of General Surgery and CMCOEM. He holds a master’s in medical sciences. He completed his general surgery training at the Civil Hospital of Guadalajara. He later served as Chief of the Bariatric Surgery Unit at the same hospital.

He has taught dozens of residents and speaks at national and international congresses. His leadership roles include President of the College of General Surgeons of Jalisco. He is the Scientific Section Coordinator for Bariatric Surgery at the Mexican Association of General Surgery. He is also Head of the Education Committee of the Mexican College of Bariatric and Metabolic Surgery (2023–2025). His research includes 8 peer-reviewed papers and 2 book chapters on obesity, hernia repair, and metabolic outcomes.