Dr Julian Ong Kian Peng

General Surgeon
20 years of experience


General Surgery


MBBS (S'pore), M.MED (Surgery), FRCSEd (Gen), FAMS (Surgery)

What I do

Dr. Julian Ong Kian Peng provides clinical services such as:
- General surgery
- Colorectal surgery 
- Colorectal cancer
- Laparoscopic surgery for colorectal cancer
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Clinic Locations

Colorectal Surgeons, Inc. Pte Ltd
Mt. Elizabeth Novena Specialist Centre #06-30
38 Irrawaddy Road, S 329563

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Professional Statement

Dr Julian Ong is a Consultant Surgeon at Colorectal Surgeons, Inc. (CSI). His areas of interest are in endoscopy and in minimally invasive surgery, particularly in laparoscopic surgery for colorectal cancer. Dr Ong also focuses on the management of all other colorectal conditions and surgery for perianal conditions. Dr Ong has performed many colon and rectal surgeries in both laparoscopic and open techniques. He is an accredited console surgeon in robotic-assisted laparoscopic surgery. In addition, Dr Ong also has an interest in the field of trauma surgery, being an accredited instructor in the Advanced Trauma Life Support (ATLS) training program.<... See more [ + ]br>
After graduating with a medical degree from the National University of Singapore, Dr Ong fulfilled his years of residency and proceeded to complete his fellowships in the Royal College of Surgeons of Edinburgh. He earned his Master’s Degree of Medicine (Surgery) from the National University of Singapore, Faculty of Medicine. He is also a Fellow of the Academy of Medicine, Singapore, Chapter of General Surgeons.

Prior to establishing his practice at Colorectal Surgeons, Inc., Dr Julian Ong was Associate Consultant at the Department of Colorectal Surgery, Singapore General Hospital (2009 – 2011) one of the most progressive colorectal surgical units in the region. He was also Consultant Surgeon at the Pacific Surgical and Colorectal Centre (2011 – 2013).

Aside from his passion for medicine and surgery, Dr Ong is an all-rounded individual with keen interests in motorsports and sports. He has been actively in the Singapore SingTel Formula One Grand Prix since its induction in Singapore, and is presently the Deputy Chief Medical Officer of the event.

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Languages Spoken

English, Malay, Hokkien, Cantonese, Mandarin


National University of Singapore, Faculty of Medicine

Awards and Publications

1. Perianal mucinous adenocarcinoma arising from chronic anorectal fistulae: a review from a single institution. Ong J, Jit-Fong L, Ming-Hian K, Boon-Swee O, Kok-Sun H, Eu KW.Tech Coloproctol. 2007 Mar;11(1):34-8. Epub 2007 Feb 16.
2. Pneumoperitoneum resulting from pneumatosis cystoides intestinalis: a rare complication of massive colonic dilatation. Ong KP, Ng KH, Lim KH, Low SC, Eu KW. Tech Coloproctol. 2010 Feb 11.
3. Solitary Caecal Ulcer Syndrome: Our Experience with this Benign Condition. Ong J, Lim K, Lim J, Eu K. Colorectal Dis. 2010 Mar 10.
4. Prospective Randomized Study to evaluate the use of DERMABOND ProPen (2-octylcyanoacrylate) in the closure of abdominal wounds versus closure with skin staples in patients undergoing elective colectomy. Ong J, Ho KS, Chew MH, Eu KW. Int J Colorectal Dis. 2010 Jul;25(7):899-905. Epub 2010 Mar 30.
5. A Meta-analysis of cytoreductive surgery with perioperative intraperitoneal chemotherapy in patients with colorectal peritoneal carcinomatosis and liver metastases. Duke Singhealth Scientific Congress, Oral Paper – Evidence Based Medicine. 16th October 2010.
6. Haemorrhoidal Disease. Eu Kong Weng, Julian Ong. HD Bulletin, Servier International.
7. Haemorrhoidal Disease. Readers’ Digest – The Asian Women’s Guide to Health and Wellness.

Professional Positions and Memberships

Fellow, Royal College of Surgeons of Edinburgh
Fellow, Academy of Medicine, Singapore, Chapter of General Surgeons
Full Member, Society of Colorectal Surgeons, Singapore
See more [ + ] Deputy Chief Medical Officer, Singapore SingTel Formula One Grand Prix
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Accredited Hospitals

Gleneagles Hospital
Mount Alvernia Hospital
Mount Elizabeth Hospital
See more [ + ]Mount Elizabeth Novena Hospital
Parkway East Hospital

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Insurances Accepted

Cigna / IXChange
Great Eastern
Healix Insurance
See more [ + ]Henner-GMC
United Healthcare
Vanbreda International

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