Best bariatric surgeons in Turkey: TOP 185 doctors

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

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.

Dr. Erdem Can Yardımcı, MD

Accredited Metabolic, Bariatric, and Weight-Loss Surgeon

Dr. Erdem Can Yardımcı is a highly skilled, accredited bariatric surgeon with extensive experience in metabolic, bariatric, and weight-loss surgery. He earned his medical degree from the prestigious 19 Mayıs University Faculty of Medicine in Samsun (2005-2011) and completed his surgical specialization at Antalya Training and Research Hospital (2013-2018). Over the years, he has become a trusted expert in performing complex surgical procedures.

Dr. Yardımcı has served in prominent positions, including at Istinye University Bahçeşehir Liv Hospital's Organ Transplant Clinic in Istanbul (2021-2022) and Tokat Medical Park Hospital (2020-2021). Since 2022, he has been an essential part of the Clinics United team in Antalya, where he continues to transform lives through safe and effective bariatric surgeries.

As an accredited bariatric surgeon, Dr. Yardımcı has participated in numerous international training programs and conferences, staying at the forefront of the latest advancements in obesity surgery. His dedication to patient care, combined with his continuous professional development, ensures that every patient receives world-class treatment and compassionate support throughout their journey.

Gallbladder and bile duct surgery

Breast disease treatment and surgery

Anal region disease treatment and surgery (hemorrhoids, anal fissure, perianal abscess and fistula surgery)

Obesity treatment (Gastric balloon, botox and surgical treatment)

Thyroid diseases and surgical treatment

Hernia surgery (open and laparoscopic) (groin, umbilical, wound hernias)

Colon, rectum, stomach diseases and surgical treatment

Endoscopic diagnosis and treatment interventions (gastroscopy, colonoscopy, ercp, peg)

2009- Atlas University Medicine Hospital

2004-2009 Tosya State Hospital

1994-2004 Taksim Education and Research Hospital

1999-2004 Taksim Education and Research Hospital General Surgery Clinic

1992-1998 Istanbul University Istanbul Faculty of Medicine

Courses and Conferences

Bakırkoy Dr. Sadi Konuk Education and Research Hospital General Surgery Clinic Endoscopy Unit Videoendoscopy Application Certificate (March 2006)

General Surgery 

Colorectal Surgery 

Obesity and Metabolic Surgery 

Medical Director 

Brief Curriculum Vitae 

I was born in Trabzon on 15.07.1969. After I attended Ismetpaşa Primary School and Cumhuriyet Secondary School, I was graduated from Trabzon High School. I had medical education and training in School of Medicine of Karadeniz Technical University from 1986 to 1992. I worked as medical practitioner in Alacahan subdistrict, Kangal District, Sivas City in 1992-1993 and in Sivas Police Headquarters to fulfill the conscription. I was assigned as Health Group Manager and Medical Practitioner in Dernekpazarı District of Trabzon in 1993-1994. I passed the Examination for Medical Specialty in 1995 and I had my residency training and education at Department of General Surgery in Istanbul School of Medicine of Istanbul University from 1995 to 2000. I was awarded the title of “General Surgeon” after I submitted the medical specialty thesis titled “Relationship between gastrointestinal tumors and HLA” in 2001. After I worked at a privately owned hospital in 2000-2002, I started working in General Surgery Clinic of Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2003. I had rotation in General Surgery Clinic of School of Medicine in Istanbul University for 9 months in 2007. I was awarded the title “Associate Professor of General Surgery” in 2010. I undertook Management duties in Şişli Hamidiye Etfal Training and Research Hospital from November 2012 to December 2013 and in Bakırköy Dr. Sadi Konuk Training and Research Hospital from December 2013 to April 2015. I had been Head of Education and Administrative Affairs, General Surgery clinic at Bakırköy Dr. Sadi Konuk Training and Research Hospital since 2010. I am Medical Director and General Surgeon at VM Medical Park Florya Hospital in Istanbul Aydın University as of 2017. 

I have intentionally dealt with renal transplantation during my residency education. After I was awarded the title “medical specialist”, I participated to diagnostic & therapeutic endoscopy, bariatric surgery, laparoscopy and robotic surgery educations abroad for short periods. I am intensively dealing with any and all laparoscopic surgical procedures (especially bariatric and gastrointestinal system surgery) and diagnostic and therapeutic endoscopic procedures (gastroscopy, colonoscopy, ERCP, endoscopic ultrasound) in this clinic since 2003 and I also play the role of trainer. I do and train others about General Surgery procedures with Da Vinci Robotic system since 2010. 

I authored 74 papers that are published in SCI and SCI-e journals and 55 papers that are published in local journals, along with 7 book chapters and 86 papers presented in local congresses and 180 papers presented in international congresses. 

I am member of Turkish Surgical Association, Turkish Association of Trauma and Emergency Surgery, Turkish Association of Endoscopic – Laparoscopic Surgery, Turkish Association of Obesity Surgery, Turkish Transplantation Centers Coordination Association and Istanbul Surgical Association. I am also member of International Active Member of Society of American Gastrointestinal Endoscopic Surgeons (SAGES), International Active Member of European Association for Endoscopic Surgery (EAES), International Active Member of International Association of Surgeons, Gastroenterologists, Oncologists (IASGO), International Active Member of International School of Surgical Oncology (ISSO), International Active Member of International Federation Surgical Obesity (IFSO). 

Date of Birth: July 15th, 1969 

Educational Status: 

Bachelor’s Degree School of Medicine Karadeniz Technical University 1992 

Medical Specialty Department of General Surgery, Istanbul School of Medicine İstanbul University 2001 

Title of Medical Specialty Thesis (abstract is attached) and Supervisor: 

1. “Relationship between gastrointestinal tumors and HLA”. February 2001 Supervisor: Prof. Uluğ Eldegez, M.D. 

General Surgeon Büyük Anadolu Hospital 2001-2003 

General Surgeon Bakırköy Dr Sadi Konuk Training and Research Hospital 2003-2006 

General Surgeon Istanbul University Emergency Surgery Clinic, Department of General Surgery, Istanbul School of Medicine 2006-9 months 

General Surgeon Bakırköy Dr Sadi Konuk Training and Research Hospital 2006-2010 

Associate Professor of General Surgery Bakırköy Dr Sadi Konuk Training and Research Hospital 2010-…

Head of Training and Administrative Affairs, General Surgery Clinic Bakırköy Dr Sadi Konuk Training and Research Hospital 2010 - …

 Doctorate thesis / proficiency in art studies supervised: 

1. Ede, B., “Changes in Thyroid Hormones After Thyroid Surgery”, Bakırköy Dr Sadi Konuk Training and Research Hospital 2006. 

2. Dodur B., “Factors Influencing Mortality and Morbidity in Gastrointestinal Bleeding” Bakırköy Dr Sadi Konuk Training and Research Hospital 2006. 

Duties undertaken in Projects: 

1. “Enteral Stents for Colonic Obstructions (ESCO): Prospective, randomized European multisentric study, comparing enteral stent followed by elective surgery versus emergency surgical treatment in malignant colonic obstruction. “ European Association for Endoscopic Surgery (EAES) Clinical Trial Center (CTC) Clinical Trial gov. Identifier: NCT00591695 

2. A phase III, randomized, double-blind, parallel group efficiency and safety study that compares safety and efficiency of oral dabigatran etexilate (150 mg BID) with warfarin (INR = 2.0-3.0) in semiannual treatment of acute symptomatic thromboembolism following initial treatment with a parenteral anticoagulant agent, which is approved for the relevant indication, minimum for five days – RECOVER II” Protocol code 1160.46

Editorialships: 

1. General Surgery Department, Advisory Board, Turkish Clinics Medical Sciences Journal, 2010 

2. “Global Journal of Surgery” Editorial Board 2010 

Scientific Organization Memberships: 

1. Turkish Surgical Association 

2. Association of Trauma and Emergency Surgery 

3. Turkish Association for Endoscopic and Laparoscopic Surgery 

4. Turkish Obesity Surgery Society 

5. Organ Transplantation Centers Coordination Association 

6. Istanbul Surgical Association 

7. International Active Member of Society of American Gastrointestinal Endoscopic Surgeons (SAGES). 

8. International Active Member of European Association for Endoscopic Surgery (EAES) 

9. International Active Member of International Association of Surgeons, Gastroenterologists, Oncologists (IASGO). 

10. International Active Member of International School of Surgical Oncology (ISSO). 

11. International Active Member of International Fedaration Surgical Obesity (IFSO)

Education:

• Bachelor of Science (MD): Faculty of Medicine, Uludag University, 1989

Specialized Education and Experience:

• General Surgery Specialist Degree: Ankara Numune Training and Research Hospital, 1997
• Fellowship: Gastroenterology Surgery, Türkiye High Specialization Hospital, 2005

Academic Career:

• Associate Professor: General Surgery, Inonu University, 2011
• Professorship: General Surgery, İnönü University, 2017

Dr. Mehmet Mehdi Deniz is an Associate Professor and general and bariatric surgeon at Vital Hospital. He has over 15 years of surgical experience, starting his career in 2008. His main areas of expertise are bariatric surgery, hernia repair, gastrointestinal disorders, and minimally invasive procedures. He performs Roux-en-Y gastric bypass and advanced laparoscopic surgeries.

Dr. Deniz is also an active medical researcher. He has co-authored more than nine international peer-reviewed publications, which have received over 180 citations. He holds the Turkish Surgical Association’s Competency Certificate (2011) and is a member of the Turkish Surgical Association, BMCD, and Turkish Medical Association.

As an educator, Dr. Deniz has taught key courses to more than 250 medical students. He has also attended over ten advanced surgical workshops. This shows his dedication to ongoing learning and surgical innovation.

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.

2023 – Istanbul Gaziosmanpaşa Taksim Education and Research Hospital – General Surgery Clinic Associate Professor

2013 – Istanbul Gaziosmanpaşa Taksim Education and Research Hospital – General Surgery Clinic Specialist

2008 – 2013 Private Medical Park Fatih Hospital, General Surgery Specialist - Deputy Chief Physician

2005 – 2007 Private Gelişim Hospital – General Surgery Specialist

2003 – 2005 Private Istanbul Şafak Hospital – General Surgery Specialist - Chief Physician

2002 – 2003 ISTANBUL HASEKİ EDUCATION AND RESEARCH HOSPITAL – General Surgery Clinic Assistant Physician

1998 – 2002 Ankara Education and Research Hospital – General Surgery Clinic Assistant Physician

1998 – Health Sciences University – Istanbul Haseki Health Application and Research Center – Medical Specialization

1991 – Gazi University Faculty of Medicine – Bachelor’s Degree

Certificates

IGM Diagnosis, Treatment Workshop, Granulomatous Mastitis, Kocaeli, Certificate, 07.10.2023 (National)

ibreast 51- Free Flap Reconstruction, Breast Cancer Surgery, Online, Certificate, 30.09.2023 – 30.09.2023 (International)

ibreast 50- Triple Negative Breast Cancer, Breast Cancer, Online, Certificate, 02.09.2023 -02.09.2023 (International)

ibreast 49- Implant Based Reconstruction, Breast Cancer, Online, Certificate, 12.08.2023 -12.08.2023 (International)

ibreast 48- DCIS, İbreast 48- DCIS, Online, Certificate, 15.07.2023 -15.07.2023 (International)

ibreast 47- Conference Updates, Breast Cancer, Online, Certificate, 25.06.2023 -25.06.2023 (International)

ibreast 46- Margin Revisited, Breast Cancer, Online, Certificate, 10.06.2023 -10.06.2023 (International)

1. International 4. National Breast Surgery Congress, Breast Surgery, Ürgüp, Certificate, 05.05.2023 – 07.05.2023 (International)

ibreast 44- HER2 Positive Disease, Breast Cancer, Online, Certificate, 29.04.2023 -29.04.2023 (International)

St-Gallen 2023, St-Gallen Congress Summary Meeting, Istanbul, Certificate, 01.04.2023 -01.04.2023 (National)

ibreast 43- Save The Nipple, Breast Cancer, Online, Certificate, 25.03.2023 -25.03.2023 (International)

ibreast 42-Chest Wall Perforator Flap Revisited, Breast Cancer, Online, Certificate, 25.02.2023 -25.02.2023 (International)

ibreast 41- High Risk And B3 Lesions, Breast Diseases, Online, Certificate, 28.01.2023 -28.01.2023 (International)

15. New Approaches in Breast Cancer Education Meeting, Breast Cancer, Istanbul, Certificate, 07.01.2023 – 08.01.2023 (National)

Articles she wrote and took part in;

1.YILDIRIM EMİNE, BEKTAŞ SİBEL, YETİŞ FIRAT, YILDIZ EREN OZAN, ÖZDEMİR MUHAMMED, KOMUT NESLİHAN, ÇALIK MUSTAFA, ER AHMET MUZAFFER. Correlation between breast and axillary pathologic complete response after neoadjuvant chemotherapy in breast cancer. Annali Italiani di Chirurgia, 2023

2.UZUN NEDİM, YILDIRIM EMİNE. Relationship Between Toilet Type and Hemorrhoids. Bezmialem Vakif University, 2022

3.YILDIZ EREN OZAN, YILDIRIM EMİNE, ORHUN ERDOĞAN KIVILCIM, ERYILMAZ İKLİL, YÜNLÜEL EMİR MEHMET, YETİŞ FIRAT, ULUKENT SUAT CAN. The effect of the covid 19 pandemic on the number of patients treated for acute and complex acute appendicitis. Annali Italiani di Chirurgia, 2202

4.YILDIRIM EMİNE, BEKTAŞ SİBEL, ÖZDEMİR MUHAMMED, KARAGÜLLE AHENK, ER AHMET MUZAFFER, UÇAR NEŞE. Upgrade Rates of DCIS, Intraductal Papilloma, and the Other High-risk Breast Lesions. Hamidiye Medical Journal, 2022
 

5.ÖZKAN GÜMÜŞKAYA PERİHAN, ALTUN ÖZGÜR, KARAKÜTÜK YÜZTAŞ NUR, ÖZSOY NESLİHAN, AYDIN TUTAK GÜLTEN, YILDIRIM EMİNE, ADAŞ MİNE, KÜÇÜK MEHMET. COVID-19 Pnömonisi Sonrası AntiHBs Değerlerindeki Değişiklikler. Journal of Contemporary Medicine, 2022;12(4), 

6.KOMUT NESLİHAN, BEKTAŞ SİBEL, YILDIRIM EMİNE. The relationship of tumor budding with GOLPH3 expression and histopathological prognostic parameters in colorectal adenocarcinoma. Annals of Diagnostic Pathology 2022 Jun;58:151933. 

7.KAYADİBİ YASEMİN, UÇAR NEŞE, AKAN YEŞİM NAMDAR, KAYA MEHMET FATİH, YILDIRIM EMİNE, ALADAĞ KURT SEDA, SOYLU BOY FATMA NUR, TAŞKIN FÜSUN, İÇTEN GÜL ESEN. Magnetic resonance imaging findings associated with recurrence in idiopathic granulomatous mastitis. Clinical Imaging, 2022

8.YILDIRIM EMİNE, KEĞİN MURAT, ÖZDEMİR MUHAMMED, BEKTAŞ SİBEL, PELEN ZEKERİYA, ER AHMET MUZAFFER. Neoplasms of theAppendix; Single Institution and Ten-Year Experiences Results. Turkish Journal of Trauma and Emergency Surgery, 2022;28(3), 352-360

9.YILDIRIM EMİNE, YILDIZ EREN OZAN, ERYILMAZ İKLİL, ER AHMET MUZAFFER, BEKTAŞ SİBEL. Comparison of excised breast volume, re-excision rate and margin positivity in breast-conserving surgery in breast cancer patients using and not using neoadjuvant chemotherapy. Journal of Surgery in Medicine,2022;6

10.YILDIRIM EMİNE, BEKTAŞ SİBEL, PELEN ZEKERİYA, YANIK İREM, ER AHMET MUZAFFER, ÇENGEL FERHAT, ÖZKAN GÜMÜŞKAYA PERİHAN. Histopathological, Radiological, and Demographic Factors Predicting the Response to Neoadjuvant Therapy for Rectal Cancer. Journal of Gastrointestinal Cancer, 2022;53(1)

11.KAYADİBİ YASEMİN, KOÇAK BURAK, UÇAR NEŞE, AKAN YEŞİM NAMDAR, YILDIRIM EMİNE, BEKTAŞ SİBEL. MRI Radiomics of Breast Cancer: Machine Learning-Based Prediction of Lymphovascular Invasion Status. Academic Radiology, 2022;29(1), 126-134.

12.YILDIRIM EMİNE, UÇAR NEŞE, YETİŞ FIRAT, KAYADİBİ YASEMİN, BEKTAŞ SİBEL. Diagnostic performance of breast imaging with ultrasonography, magnetic resonance and mammography in the assessment of residual tumor after neoadjuvant chemotherapy in breast cancer patients. Journal of Surgery and Medicine, 2022;6(1), 43-48

13.YILDIRIM EMİNE, BEKTAŞ SİBEL, GÖKTAŞ AYDIN SABİN, ER AHMET MUZAFFER, YANIK İREM, ÖZKAN GÜMÜŞKAYA PERİHAN, YILMAZ BARBAROS UTKU, BİLİCİ AHMET, ÖNCEL MUSTAFA. Factors Predicting Response to Neoadjuvant Chemotherapy in Locally Advanced Gastric Cancer. Journal of Istanbul Faculty of Medicine / İstanbul Tıp Fakültesi Dergisi, 2022;85(1), 41-50. 

14.YILDIRIM EMİNE, Pelen Zekeriya, KEĞİN MURAT, UÇAR NEŞE, KAYADİBİ YASEMİN, GÜNDOĞAR ÖZGECAN. Evaluation of the Reliability of Preoperative Ultrasonography and Ultrasonography-Guided Fine Needle Aspiration Biopsy in Axillary Staging in Patients With Breast Cancer. Journal of Academic Research in Medicine, 2021;11(3), 269-276., 

15. KAYADİBİ YASEMİN, UÇAR NEŞE, KAYA MEHMET FATİH, YILDIRIM EMİNE, BEKTAŞ SİBEL. Characterization of Suspicious Microcalcifications on Mammography Using 2D Shear-Wave Elastography. Ultrasound in Medicine & Biology, 2022;47(9), 2532-2542. 

16.KAYADİBİ YASEMİN, TEKCAN ŞANLI DENİZ ESİN, UÇAR NEŞE, YILDIRIM EMİNE, ŞANLI AHMET NECATİ. Evaluation of the Appearance Characteristics of Suspicious Microcalcifications Detected by Ultrasonography. Journal of Academic Research in Medicine, 2022;11(2), 199-205. 

17.YILDIRIM EMİNE, ÖZER HİLAL, ÖZER İLTER, KOYUNCU ADİL, YILDIRIM TİMUR. The Effects on Bacterial Translocation and Tissue Damage of Selenium Treatment in an Experimental Intestinal Ischaemia-Reperfusion Model. Turkish Journal of Trauma and Emergency Surgery, 2021;27(4), 389-394. 

18.YILDIRIM EMİNE, AKBAŞ PELİN, ORHUN ERDOĞAN KIVILCIM, BEKTAŞ SİBEL, ÖZKAN GÜMÜŞKAYA PERİHAN, ER AHMET MUZAFFER, PALTURA CEKİ. The comparison of the histopathological results of the thyroid fine-needle aspiration biopsies in the 795 patients with thyroidectomy. Diagnostic Cytopathology, 2021

​Dr. Azer Zeynalov is a plastic, reconstructive, and aesthetic surgeon based in Istanbul, Turkey, with over 12 years of experience in the field.

Dr. M Altan Kaya is a skilled surgeon. He specializes in gastric bypass, gastric sleeve, breast cancer surgery, and hemorrhoidectomy. He completed advanced training in minimally invasive surgery in Hamburg and Strasbourg. Dr. Kaya is dedicated to using the latest techniques to provide the best care for his patients.

He is a member of several respected surgical societies. These include the Turkish Surgical Association, the Society for Colorectal Tumor Surgery, and the European Society of Oncological Surgeons. Dr. Kaya has performed hundreds of complex surgeries. His work has helped improve patient outcomes and raise surgical standards in his field.

Education and Specialization

• 1983 – 1989: Ankara University Faculty of Medicine – Medical Education
• 1990 – 1994: Ankara Numune Training and Research Hospital – General Surgery – Specialization
• 1995 – 2005: Ankara Abdurrahman Yurtaslan Oncology Training and Research Hospital – Specialization
• 2005: Associate Professorship, Ankara Numune Training and Research Hospital
• 2019: Professorship, İstinye University Faculty of Medicine, Department of General Surgery

Experience

• 1989 - 1990: Ardanuç Central Health Center, Artvin – General Practitioner
• 1990 - 1995: Ankara Numune Training and Research Hospital, 2nd Surgery Clinic – Assistant
• 1995 - 1998: Ankara Oncology Training and Research Hospital – Specialist
• 1995 - 1996: 600-Bed Air Force Hospital, Güzelyalı, İzmir – Medical Second Lieutenant
• 1998 - 2005: Ankara Numune Training and Research Hospital, 3rd Surgery Clinic – Specialist
• Sep - Dec 2002: University of Pittsburgh Medical Center, Presbyterian University Hospital, Pittsburgh, PA, USA – Division of Hepatobiliary and Liver Transplantation
• 2002 - 2005: Ankara Numune Training and Research Hospital, 3rd Surgery Clinic – Specialist
• 2005: Associate Professor, Ankara Numune Training and Research Hospital, 3rd Surgery Clinic
• 2005 - 2006: Deputy Chief, Ankara Training and Research Hospital, 4th Surgery Clinic
• 2006 - 2008: Deputy Chief, Ankara Numune Training and Research Hospital, 7th Surgery Clinic
• 2009 - 2012: Chief of Clinic, Kocaeli Derince Training and Research Hospital, General Surgery Clinic
• 2012 - 2019: Chief of Clinic, Antalya Training and Research Hospital, General Surgery Clinic

International Experience

• 2002: University of Pittsburgh Medical Center, Presbyterian University Hospital, Pittsburgh, PA, USA – Division of Hepatobiliary and Liver Transplantation
  • Project Supervisor: De Novo Breast Cancer in Patients with Liver Transplantation
• 2005: Laparoscopic Gastric Band Training, Austria
• 2010: Laparoscopic Lower Gastrointestinal Surgery Training, Cushieri Skill Center, Scotland

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

Dr. Baris Demiriz is a general and bariatric surgeon in Turkey. He has 15 years of experience in laparoscopic and bariatric surgery. He has published many articles in national and international journals.

Dr. Demiriz is a member of IFSO, the Turkish Obesity Surgery Association, and the National Society of Endoscopical Laparoscopic Surgery. He earned his medical degree from Istanbul University Istanbul Faculty of Medicine in 2001. He completed his general surgery training at Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2007.

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

Personal Information:

• Born in 1967.
• Completed primary education in Istanbul.
• Graduated from Pertevniyal High School in 1984.

Education & Training:

• Enrolled in Marmara University Faculty of Medicine in 1984, completing medical education in English and graduating in 1991.
• Started General Surgery residency at Istanbul University Faculty of Medicine in 1991.
• Became a General Surgery Specialist in 1996 with a thesis on "The Effects of Inhibiting the Nitric Oxide Pathway in Radiation Enteritis."
•  

Professional Experience:

• 1996: Joined Şişli Florence Nightingale Hospital as a General Surgery staff doctor.
• 2002-2004: Served as a Lecturer and Acting Head of the General Surgery Department at Kadir Has University Faculty of Medicine.
• 2013: Transferred to Istanbul Florence Nightingale Hospital as a General Surgery specialist, where he continues to work.
•  

Medical Expertise & Achievements:

• Performed the first general surgery operation in Turkey using the Da Vinci robotic system.
• Specializes in advanced laparoscopic and robotic surgery and continues to perform such procedures.

Positions Held:

• 1991-1996: Research Assistant – Istanbul University, Faculty of Medicine, Department of General Surgery.
• 1996-2012: General Surgery Specialist – Şişli Florence Nightingale Hospital.
• 2002-2004: Lecturer – Kadir Has University, Faculty of Medicine, Department of General Surgery.
• 2003-2004: Acting Head – Kadir Has University, Faculty of Medicine, Department of General Surgery.
• 2013-Present: General Surgery Specialist – Istanbul Florence Nightingale Hospital.

Interests 
Robotic surgery,
Advanced laparoscopic surgery(Colorectal and GERD Surgery included),
Laparoscopic hernia surgery,
Breast and thyroid surgery,
Gastrointestinal surgery,
Anal region diseases,
Hepatobiliary surgery

Memberships: 

Turkish Medical Association

Turkish Surgical Society

American Society of Colon and Rectal Surgery

EXPERIENCE*

2019 - Present, Istanbul/Istanbul/Turkey

MEMORIAL ATAŞEHİR HOSPITAL

General Surgeon

2012 - 2019, Diyarbakır/Diyarbakır/Turkey

DİCLE UNIVERSITY FACULTY OF MEDICINE

General Surgeon

2011 - 2012, Van/Van/Turkey

VAN REGIONAL TRAINING AND RESEARCH HOSPITAL

General Surgeon

2009 - 2011, Van/Van/Turkey

HAKKARİ STATE HOSPITAL

General Surgeon

2004 - 2009, Van/Van/Turkey

YÜZÜNCÜYIL UNIVERSITY FACULTY OF MEDICINE

General Surgeon

2002 - 2004, Van/Van/Turkey

HACIBEKİR HEALTH CENTER

General Practitioner

*EDUCATION*

2018 - 2019, Diyarbakır/Turkey

Associate Professor

2015, Ohio/USA

OHIO STATE UNIVERSITY WEXNER MEDICAL CENTER

Neck Dissection Training

2012 - 2018, Diyarbakır/Turkey

Assistant Professor

1996 - 2002, Adana/Turkey

ÇUKUROVA UNIVERSITY

FACULTY OF MEDICINE - Medical Doctor Education

Dr. Specialist Surgeon Rafail Ibayev is an expert in advanced gastrointestinal surgery. He specializes in both laparoscopic and open procedures for diseases of the stomach, intestine, and rectum. Dr. Ibayev is a recognized leader in obesity and metabolic surgery. He has extensive experience in sleeve gastrectomy, gastric bypass, and gastric balloon procedures. His patients achieve high success rates in weight management and metabolic health.

Dr. Ibayev is known for his work in minimally invasive surgery. He performs a wide range of laparoscopic operations that help patients recover faster and with less scarring. He is also skilled in endocrine and breast surgery, including advanced oncoplastic techniques for both benign and malignant conditions. As a gastrointestinal cancer specialist, he performs complex surgeries for liver, stomach, and colorectal tumors. He provides modern and effective oncological care.

Dr. Ibayev is highly trained in anti-reflux surgery, treatment of digestive disorders, endoscopic procedures, hernia repair, splenectomy, and proctologic surgeries. He is committed to patient-centered care and long-term health outcomes.