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Clinical Appointments

  • Consultant Urology Changi General HospitalChangi General Hospital


Dr Yam obtained his medical degree at Yong Loo Lin School of Medicine, National University of Singapore in 2008. He then went on to complete his residency training in Urology from 2013 to 2017 and was awarded the SingHealth Outstanding Resident Award in 2014. He passed the specialist board examination in 2017 and was the top scorer in the European Board of Urology assessment in 2017. He has a strong commitment to the teaching of undergraduates, postgraduates and Urology residents.

His areas of interest in research are pre-TRUS antibiotics, balloon dilatation of ureteric strictures and shockpulse lithotripsy for giant bladder stones.


  • Specialist Accreditation in Urology (Singapore)
  • Singhealth Residency in Urology
  • MRCS (Ireland)
  • MBBS, Yong Loo Lin School of Medicine, Singapore

Professional Appointments and Committee Memberships

  • Clinical Assistant Professor - DUKE-NUS Medical School
  • Clinical Lecturer - NUS Yong Loo Lin School of Medicine
  • Clinical Teacher - NTU Lee Kong Chian School of Medicine
  • Physician Faculty Member - Singhealth Urology Residency Program


  • 2020 – Long Service Award
  • 2020 – Singapore Health Quality Service Awards (Silver)
  • 2018 – Second prize in Oral Presentation, Urofair 2018 (Title: Can targeted prophylactic antibiotics reduce sepsis and bacteremia after TRUS biopsy?)
  • 2017 – Top scorer of European Board of Urology (EBU) examination
  • 2016 – Best of Posters in European Association of Urology Conference, EAU2016 Germany (title: Balloon dilatation of ureteric and ureteroileal strictures)
  • 2014 – Singhealth Outstanding Resident Award

Research Interests

  • Benign Ureteric Strictures
  • Giant Bladder Stones
  • PCNL
  • Trus biopsy


  1. Is There Still a Role of Balloon Dilatation of Benign Ureteric Strictures in 2019?
    Yam Wai Loon, Terence Lim Sey Kiat, Ng Keng Sin, Ng Foo Cheong
    Scandinavian Journal of Urology, Jan 2020
  2. Bacteria-ball in the urinary tract: a rare entity
    Benjamin Lim Tze Ying, Yam Wai Loon, Angeline Poh, Victor Ng, Lim Sey Kiat, Ng Kok Kit
    British Journal of Radiology Case Reports, May 2020
  3. Ultrasound-guided percutaneous nephrolithotomy: Advantages and limitations.
    Ng FC, Yam WL, Lim TY, Teo JK, Ng KK, Lim SK.
    Investigative and Clinical Urology, Sep 2017
  4. Modified transperitoneal ports configuration and docking technique for renal surgeries with the da Vinci Surgical System Xi.
    Lim SK, Ng FC, Yam WL, Rha KH.
    International Journal of Urology, Sep 2016
  5. Spermatic cord abscess: a rare complication of epididymo-orchitis, the diagnosis and management.
    Yam WL, Ng FC
    BMJ Case Reports, Aug 2014

Research Trials