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Dr Lim Kok Ren

Dr Lim Kok Ren

MBBS(Aust), MMed (Surg), FRCS (Edin)

Senior Consultant

Specialty: General Surgery

Clinical Appointments

  • Senior Consultant Surgery Changi General HospitalChangi General Hospital
  • Director Colorectal Surgery Changi General HospitalChangi General Hospital


Dr Lim Kok Ren is presently a senior consultant surgeon and the director of the Colorectal Service with the Department of Surgery at Changi General Hospital (CGH). Dr Lim graduated with a MBBS from the University of Melbourne in 1999. He subsequently obtained his post graduate Masters of Medicine (Surgery) and MRCS with the Royal College of Surgeons, Edinburgh in 2004.

Following which, he completed his fellowship with the Royal College of Surgeons, Edinburgh in 2011. Dr Lim then received his overseas HMDP fellowship training on pelvic surgery (open and minimal invasive surgery) and advanced minimal invasive surgery in colorectal conditions at the Royal Prince Alfred Hospital, New South Wales, Australia in 2015. Dr Lim maintains an interest in the fields of minimal invasive surgery for treatment of colorectal cancer.

Over the years, he has also served in various administrative and teaching roles within CGH, Yong Loo Lin School of Medicine, National University of Singapore (NUS) and the Singhealth residency programme.


  • FRCS (Edinburgh)
  • MMed (Surgery)
  • MRCS(Edinburgh)
  • MBBS (Melbourne)

Professional Appointments and Committee Memberships

  • Clinical Assistant Professor - Duke-NUS
  • Clinical Lecturer - NTU Lee Kong Chian School of Medicine
  • Clinical Lecturer - NUS Yong Loo Lin School of Medicine
  • Fellow - Royal College of Surgeons, Edinburgh
  • Member - Society of Colorectal Surgeons (Singapore)
  • Physician Faculty Member - SingHealth General Surgery Residency Program


  • HMDP Fellowship on Pelvic Surgery (Open & MIS) / Anal Physiology & Advanced Minimal Invasive Surgery in Colorectal at Royal Prince Alfred Hospital, Sydney, Australia, 4 August 2014 – 3 August 2015
  • Gold Award, Eastern Health Alliance Awards, April 2013 – September 2014
  • Gold Service Award, CGH Quality Convention, April 2013 – March 2014
  • Best Clinical Service Award – Changi General Hospital, Oct- Dec 2013
  • Singapore Health Quality Service Award - Silver Award. April 2009 to March 2010
  • Best Registrar Award 2009, SingHealth

Research Interests


  • Lim KR, Salleh I, Tan NC, Lim SH, Tay KH. Risk factors for conversion to open surgery in patients with acute cholecystitis undergoing interval laparoscopic cholecystectomy. Ann Acad Med Sinapore. 2007 Aug; 36(8):631-5.
  • Tien Jin Tan, Victor WL Ng, Kok Ren Lim. Right Iliac Fossa Pain: More Than Meets the Eye. Annals Academy of Medicine. November 2016, Vol 45 No 11

Research Trials