Prof. Dr. Mustafa Öncel
Specialist in general surgery and colorectal surgery at Medipol Koşuyolu and Medipol Mega University Hospital, Istanbul. 25+ years of experience.

Credentials & Education
Academic and clinical achievements
- Doctor of Medicine (MD), Faculty of Medicine, Turkey
- Specialty Training in General Surgery, Turkey
- International Fellowship in Colorectal Surgery
- Professorship — Istanbul Medipol University
- Turkish Surgical Association — Member
- Turkish Colon and Rectal Surgery Association — Member
- European Society of Coloproctology — Member
- Peer-reviewed publications in colorectal surgery
- Speaker at international surgical congresses
- International fellowship in colorectal surgery
- International patient programs at Medipol University Hospital

Biography
About the doctor
Prof. Dr. Mustafa Öncel is a senior general and colorectal surgeon practicing at Medipol Koşuyolu and Medipol Mega University Hospital in Istanbul. With more than 25 years of clinical experience, his practice focuses on colorectal cancer surgery, laparoscopic and robotic colorectal surgery, inflammatory bowel disease, and proctology. He is a faculty member at Istanbul Medipol University and a well-known speaker at international congresses. International patients choose him for advanced minimally invasive colorectal care.
Colorectal surgery should restore quality of life. I combine modern technique with careful judgment for each patient.
Areas of Expertise
Specialized procedures and treatments
Colorectal Cancer Surgery
Open, laparoscopic and robotic resection of colon and rectum cancers.
Laparoscopic Surgery
Minimally invasive abdominal surgery for faster recovery.
Robotic Colorectal Surgery
Precision robotic surgery for selected colorectal procedures.
Inflammatory Bowel Disease
Surgical management of Crohn's disease and ulcerative colitis.
Proctology
Modern treatment of hemorrhoids, fissures and fistulas.
Hernia Repair
Open and laparoscopic hernia repair.
Patient Reviews
“Excellent surgical outcome. Prof. Öncel's experience made all the difference.”
Iraq
“Quick recovery with small scars. Highly recommended.”
Lebanon
“Painless and effective treatment. Professional team throughout.”
Saudi Arabia
Frequently Asked Questions
What patients want to know
Most patients stay 5–10 days depending on the procedure.
Yes. Most colorectal procedures can be done laparoscopically or robotically.
Yes. Our international patient team supports Arabic and English at every step.
Yes. We provide a detailed online review before you travel.
Most patients fly 5–10 days after surgery after safe clearance.
Ready to consult Prof. Dr. Mustafa Öncel?
Book your free consultation and take the first step with Prof. Dr. Mustafa Öncel, a specialist in General Surgery.