Onur Bayraktar

Professor of General Surgery · 15+ years experience

Liv Hospital VadistanbulTR EN

Biography

Prof. Dr. Onur Bayraktar is a leading expert in minimally invasive and robotic colorectal surgery. He specializes in gastrointestinal oncology, laparoscopic and robotic surgical procedures, and advanced proctological treatments. With over 15 years of academic and clinical experience, he has performed thousands of colorectal and digestive system operations. Prof. Bayraktar previously served in top institutions including Acıbadem Atakent Hospital and Istanbul Florence Nightingale Hospital, and is currently a senior surgeon at Memorial Şişli Hospital. His extensive publication record and pioneering work in robotic and HIPEC surgeries have positioned him among Turkey’s most respected gastrointestinal surgeons.

15+

Years experience

Languages

Focus areas

Istanbul

Location

Areas of expertise

Colorectal surgery (cancers, inflammatory bowel diseases)Robotic/laparoscopic surgeryAbdominal wall and inguinal hernias

Services offered

Diagnosis and surgical management of digestive system diseases and cancers (stomach

colon

rectum)

robotic and laparoscopic colorectal operations

proctological procedures (hemorrhoids

fissures

fistulas)

abdominal and inguinal hernia repair

and cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (HIPEC)

Professional experience

Memorial Şişli Hospital (2021-2025)

Istanbul Florence Nightingale Hospital, Science University (2018-2012)

Acıbadem University Atakent Hospital (2014-2018)

29 Mayis Hospital (2012-2013)

Siirt Kurtalan State Hospital (2011-2012)

Turkish Medical Association

Turkish Surgical Association

Turkish Society of Colon and Rectal Surgery

European Society of Coloproctology

Basic Statistics e-Course, 2010, Istanbul.

Laparoscopy Training Program, Istanbul University, Cerrahpaşa Faculty of Medicine, Department of General Surgery, April 2010, Istanbul.

Turkish Surgical Association Stapler and Its Use Training, December 2010, Istanbul.

Applied Seminar on Laparoscopic and Robotic Metabolism and Obesity Surgery, January 2011, Acıbadem University, Istanbul.

Laparoscopic Surgery Course for Abdominal Wall and Inguinal Hernias, November 2014, Izmir.

Education & training

M.D. – Istanbul University Cerrahpaşa Faculty of Medicine

1999 – 2005

General Surgery Residency – Istanbul University Cerrahpaşa Faculty of Medicine

2005 – 2010

Publications

Author of over 30 peer-reviewed international articles in journals such as Colorectal Disease, World Journal of Gastroenterology, Surgical Laparoscopy Endoscopy & Percutaneous Techniques, and Dis Colon Rectum; contributor to multi-center clinical research including the RIFT Turkey study (2024)

At a glance

Turkish, English

Languages spoken

Liv Hospital Vadistanbul

Primary clinic

Monday – Friday, 08:00 – 17:00 Saturday 08.00-14.00

Working hours

€280 / 30 min

Consultation fee

Accepts international patients

Istanbul, Türkiye