Language English, Mandarin Chinese, Hokkien Dialect, Cantonese Dialect

Dr Toh obtained his medical degree at the National University of Singapore and post-graduate surgical diplomas at the Royal College of Surgeons of Edinburgh, UK as well as Royal College of Physicians & Surgeons of Glasgow, UK. He received his specialist urological training in Singapore and underwent further subspecialty training in the United States where he completed 2 fellowships – one at Duke University, North Carolina and the other at William Beaumont Hospital, Michigan. He is a certified specialist in Urology and is a Fellow of the Academy of Medicine, Singapore (Urology).

Dr Toh’s areas of interests in Urology include Reconstructive urology, Urodynamics and Voiding dysfunction / urinary leakage. He was the first in the region to use botulinum (Botox®, Irvine, California) to control urinary leakage in patients with spinal cord injuries. He also treats females with urinary leakage including stress incontinence and/or urge incontinence. In addition, he has directed courses and instructed in Urodynamics, which deals with the functions of the bladder and urethra. He is recognized by his peers as an expert in surgery involving the urethra as well as reconstructive surgery of the bladder and ureters affected by trauma or disease.

Dr Toh also treats urinary stone diseases and urological cancers including kidney, bladder and prostate cancers using minimally invasive surgical techniques – Endourology, Laparoscopy & Robotic Surgery. In addition, Dr Toh is a gazetted Kidney Transplant surgeon in Singapore.
On the research front, besides publishing scientific papers, Dr Toh was the institutional principal investigator in 3 global multi-centre clinical research trials. He is a reviewer for 5 urological journals and is an Associate Editor of International Nephrology & Urology.

Dr Toh has been invited to speak and demonstrate surgery in Beijing, Hong Kong, Taipei, Dhaka, Ho Chi Minh City, Yogjarkarta, Kuala Lumpur, Sibu and Johor. He won the Best Video Presentation at the 2002 National Healthcare Group Annual Scientific Meeting and the Best Paper Presentation at the 1998 Singapore Urological Association Annual Scientific Meeting.

Dr Toh was the President of the Singapore Urological Association from 2012-2014 and also served as Vice-President from 2009-2012 and Honorary Secretary from 2004-2007. He was the Scientific Chairman of Urofair 2004 and Organising Chairman of Urofair 2010.

Despite his busy schedule, Dr Toh found time to serve in humanitarian medical missions. He volunteered his services in Indonesia – both in Aceh following the tsunami and Yogjarkarta after the earthquake – as well as in Pakistan. In recognition of his efforts, he was awarded the ‘Unsung Heros Award’ by the Rotary Club.

Prior to his current practice, he was the Senior Consultant and Head of the Department of Urology in Tan Tock Seng Hospital, Singapore.

  • 21 Local and International Publications
  • 7 Research Grants
  • 19 Invited Speaking Engagements


  • Editorial Board member of International Urology & Nephrology Journal
  • Reviewer for
    • International Brazilian Journal of Urology
    • Current Urology
    • Singapore Medical Journal
    • Hong Kong Medical Journal



  • 2002 1st National Healthcare Group Scientific Congress for Best Video.  Chong YL, KL Toh, JKN Tan.  Right colon pouch: An alternative method of urinary diversion.  August 2002.
  • 2001 Tan Tock Seng Hospital HMDP.  Neuro-urology, female urology & Urodynamics in William Beaumont Hospital, USA.
  • 1999 Human Manpower Development Programme, Ministry of Health. Reconstructive Urology in Duke University Medical Centre, USA.
  • 1998 Singapore Urological Association Book Prize for Best Paper.  SJ Chia, KL Toh, KS Chan, SW Seng, D Consigliere.  Do patients with acute urinary retention merit a trial without catheter?  1st Combined Meeting of Singapore Society of Nephrologists – Singapore Urological Association. January 1998.