About Us
Prof Doktor Oğuzhan Karatepe

Who Is Dr. Oguzhan Karatepe, MD, Professor of Surgery?

Prof. Dr. Oguzhan Karatepe: One of Turkey’s Leading General Surgeon Experts in Bariatrics, Weight Loss and Cancer Surgery

Prof. Dr. Oguzhan Karatepe is widely recognized as one of Turkey’s top specialists in obesity surgery,bariatrics, including gastric sleeve (tube stomach) surgery, gastric balloon,weight loss, and gastric bypass, as well as in complex treatments related to the pancreas, liver, stomach, intestines, gallbladder, and gastrointestinal cancers.

Born in 1978, Prof. Dr. Karatepe graduated from Istanbul University, Cerrahpaşa Faculty of Medicine in 1999. He completed his specialization in General Surgery at Istanbul Okmeydanı Training and Research Hospital, where he laid the foundation for a career focused on advanced surgical solutions and academic excellence.

Prof. Dr. Oguzhan Karatepe: A Trusted Leader in Advanced Cancer and Obesity Surgery

With over 25 years of surgical experience, Prof. Dr. Oguzhan Karatepe is widely regarded as one of Turkey’s most respected and accomplished surgeons, particularly in the fields of advanced cancer surgery and bariatric (obesity) surgery.

As a highly skilled general surgeon, he is known for achieving outstanding outcomes even in the most complex cases, offering patients realistic hope and expert care when it matters most.

His approach is grounded in personalized, multidisciplinary care plans designed for each patient’s unique condition. By integrating the latest medical technologies and evidence-based techniques, Prof. Dr. Karatepe consistently aims to achieve the highest possible benefit for his patients. Patient safety and optimal outcomes remain the core priorities of his surgical practice.

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What We Specialize In

At the heart of Prof. Dr. Oguzhan Karatepe’s surgical practice lies a consistent track record of success—even in the most challenging and complex cases. He is widely recognized as a leading reference surgeon in Turkey across the following specialties:

Contact & WhatsApp: +90 530 917 30 30

Bariatric Surgery (Recognized as one of Turkey’s leading experts in obesity and gastric sleeve surgery)

Surgical treatment for obesity is one of the most effective methods for achieving lasting and healthy weight loss. Prof. Dr. Oguzhan Karatepe is recognized among Turkey’s most successful bariatric surgeons. He is known for tailoring the most appropriate treatment approach for each patient, with low complication rates and high patient satisfaction. The treatments offered include:

Pancreatic Surgery (One of Turkey’s Top Pancreatic Surgeons)

Pancreatic diseases are among the areas that demand the highest level of surgical expertise and experience. Prof. Dr. Oğuzhan Karatepe is one of Turkey’s leading pancreatic cancer surgeons and performs even the most complex procedures, such as the Whipple procedure, with a high success rate. Comprehensive treatment options include

Contact & WhatsApp: +90 530 917 30 30

  • Pancreatic Cancer Surgery
  • Whipple Procedure (Pancreaticoduodenectomy)
  • Laparoscopic (Minimally Invasive) Pancreatic Surgery
  • Distal Pancreatectomy (Pancreatic Tail Surgery)
  • Pancreatic Tumor Surgery (Including Neuroendocrine Tumors)
  • Total Pancreatectomy
  • Pancreatic Cyst Surgery
  • Pancreatic Pseudocyst Drainage
  • And surgical interventions for all benign and malignant pancreatic diseases.

Advanced Cancer Surgery (Liver, Stomach, Intestines, Colon)

Surgery is the most crucial step in the treatment of digestive system cancers. Prof. Dr. Oğuzhan Karatepe performs radical and effective surgeries on these organs with full adherence to oncological principles, aiming for complete tumor removal without leaving any residue.

Contact & WhatsApp: +90 530 917 30 30

  • Liver Surgery: Surgical treatment of liver cancer and metastases.
  • Stomach Gastric Surgery: Total or partial gastrectomy procedures for stomach cancer.
  • Intestinal Colon Surgery: Laparoscopic and open surgical treatments for colon and rectal cancers.
  • Gallbladder and Bile Duct Surgery: Surgical interventions for gallbladder and bile duct cancers.

25+

Years of Experience

100+

Scientific Academic Article

3500+

Happy Patients


My Professional Career – Experience

  • 2025 : Acıbadem Sağlık Grubu
  • 2024 : Medicana Sağlık Grubu
  • 2018 – Currently: Karatepe Klinik
  • 2021 – 2022: Liv Hospital Vadi Istanbul, Karaciğer ve Pankreas Cerrahisi
  • 2016 – 2021: İstanbul Yeniyüzyıl Üniversitesi
  • 2014 – 2018: Şişli Memorial Hastanesi
  • 2012 – 2014: Bezmialem Vakıf Üniversitesi (Hepatobilier Cerrahi Doçent)
  • 2011 – 2012: Erasmus Üniversitesi, Hollanda (Hepatobilier Cerrahi Fellow – Yan Dal)
  • 2008 – 2011: Okmeydanı Eğitim Hastanesi (Genel Cerrahi Başasistan)
  • 2007 – 2008: İstanbul Tıp Fakültesi (Periferik Damar Cerrahisi Fellow)
  • 2004 – 2007: Okmeydanı Eğitim Hastanesi (Uzman Doktor, Genel Cerrah)
  • 1999 – 2004: Okmeydanı Eğitim Hastanesi (Araştırma Görevlisi, Cerrahi)

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Scientific Association Memberships

  • American College of Surgeons (ACS)
  • International Hepato-Pancreato-Biliary Association (IHPBA)
  • European Society of Surgical Oncology (ESSO)
  • European Hernia Society (EHS)
  • European Association for Endoscopic Surgery
  • Surgical Infection Society Europe (SIS-E)
  • Turkish Surgical Society (Türk Cerrahi Derneği)
  • Turkish Medical Association (Türk Tabipler Birliği)
  • Turkish Hepato-Pancreato-Biliary Surgery Association (Türk Hepato Pankreato Bilier Cerrahi Derneği)
  • Turkish Society of Colon and Rectal Surgery (Türk Kolon ve Rektum Cerrahisi Derneği)
  • Turkish Society of Bariatric and Metabolic Surgery (Bariatrik ve Metabolik Cerrahi Derneği)
  • Turkish Society of Endoscopic and Laparoscopic Surgery (Endoskopik ve Laparoskopik Cerrahi Derneği)
  • Turkish Society of Minimal Invasive Surgery (Minimal İnvaziv Cerrahi Derneği)
  • National Trauma and Emergency Surgery Society (Ulusal Travma ve Acil Cerrahi Derneği)
  • Hernia Society (Fıtık Derneği)
  • Clinical Enteral and Parenteral Nutrition Society (KEPAN)
  • Turkish Peritoneal Surface Cancers Group
  • Surgical Infection Society (Founder and Board Member) (Cerrahi Enfeksiyon Derneği)

Contact & WhatsApp: +90 530 917 30 30


Frequently Asked Questions

Q: Is the Whipple procedure very risky? What is Prof. Dr. Oğuzhan Karatepe’s experience with it?
A: The Whipple procedure is one of the most complex pancreatic surgeries and inherently carries risks. However, these risks are directly related to the surgeon’s experience. Prof. Dr. Oğuzhan Karatepe has performed this surgery hundreds of times with a high success rate and is recognized as one of Turkey’s most experienced and skilled surgeons in this field. When performed at an experienced center, the chances of a successful outcome are maximized.

Q: What happens if I regain weight after sleeve gastrectomy? Do you perform revision surgeries?
A: Yes. Weight regain after sleeve gastrectomy can have multiple causes. Prof. Dr. Oğuzhan Karatepe carefully evaluates the underlying reasons. If necessary, he successfully performs revision surgeries such as conversion to sleeve gastrectomy revision or gastric bypass.

Q: I was diagnosed with a pancreatic cyst. Should I have surgery immediately?
A: Not all pancreatic cysts require urgent surgery. Factors such as cyst type, size, location, and cancer risk are important. Prof. Dr. Oğuzhan Karatepe uses advanced imaging and his expertise to determine whether your cyst requires monitoring or surgical intervention, guiding you to the best treatment plan.

Q: Is laparoscopic (minimally invasive) pancreatic surgery suitable for all patients?
A: Laparoscopic surgery offers advantages like less pain and faster recovery in suitable patients. However, tumor location, size, and involvement with surrounding vessels affect this decision. As one of Turkey’s leading experts in minimally invasive pancreatic surgery, Prof. Dr. Oğuzhan Karatepe will choose the safest and most effective method for you.


Why Choose Prof. Dr. Oğuzhan Karatepe?

Prof. Dr. Oğuzhan Karatepe achieves high success rates in obesity surgeries like sleeve gastrectomy and gastric bypass, as well as in cancer surgeries of the pancreas, liver, stomach, colon, and intestines. Using minimally invasive techniques, he ensures faster recovery and a patient-centered approach. Graduating from one of Turkey’s top medical schools, he is regarded as one of the country’s best surgeons.


Where is Oğuzhan Karatepe’s Clinic?

Prof. Dr. Oğuzhan Karatepe practices at centrally located hospitals and clinics in Nişantaşı, Istanbul. He is a preferred specialist in obesity surgery in Istanbul.


What Surgeries Does Oğuzhan Karatepe Perform?

He performs sleeve gastrectomy, pancreatic surgery, liver surgery, gallbladder surgeries, stomach and intestinal surgeries, gastric bypass, and mini gastric bypass. He offers both laparoscopic and robotic surgical techniques.


Are There Complaints About Oğuzhan Karatepe?

Like any surgeon, Prof. Dr. Oğuzhan Karatepe has received rare complaints. However, overall patient satisfaction and success rates are very high. Complaints are generally based on personal experiences and the inherent risks of surgical procedures.


Educational Background

Prof. Dr. Oğuzhan Karatepe graduated from Istanbul University, Çapa Faculty of Medicine, one of Turkey’s most respected medical schools.


Is Oğuzhan Karatepe an Obesity Surgeon?

Yes, he specializes in obesity surgery and successfully performs gastric bypass, sleeve gastrectomy, and other obesity-related operations. He is recognized as one of Turkey’s top obesity surgeons and sleeve gastrectomy specialists based in Istanbul.


Is Oğuzhan Karatepe a Pancreatic Surgeon?

Yes, Prof. Dr. Oğuzhan Karatepe is experienced in surgical treatment of pancreatic diseases, including tumors and other pancreatic surgeries.


Is Oğuzhan Karatepe a Liver Surgeon?

Yes, he is one of Turkey’s leading liver surgeons specializing in liver tumors and surgical treatment of other liver diseases.


Is Oğuzhan Karatepe a Stomach Surgeon?

Yes, he is among Turkey’s best stomach surgeons performing surgeries like gastric bypass and stomach tumor resections.


Is Oğuzhan Karatepe a Colon (Large Intestine) Surgeon?

Yes, he is recognized as one of Turkey’s top colon surgeons, performing surgeries for colon cancer and other large intestine diseases.


Is Oğuzhan Karatepe a Small Intestine Surgeon?

Yes, he is among the leading surgeons for small intestine tumors and other surgical interventions.vermektedir.

Contact & WhatsApp: +90 530 917 30 30