• Mount Elizabeth

Dr Koh Dennis

Dr Koh Dennis
Dr Koh Dennis
  • Colorectal Practice


    3 Mount Elizabeth #12-14
    Mount Elizabeth Medical Centre
    Singapore 228510

  • Spesialisasi

    • Bedah Umum
  • Kualifikasi

    • Bachelor of Medicine, Bachelor of Surgery, University of Nottingham, United Kingdom
    • Bachelor of Medical Science, United Kingdom
    • Master of Medicine (Surgery), National University of Singapore
    • Fellow of the Royal College of Surgeons, Edinburgh, United Kingdom
    • Fellow of the Academy of Medicine of Singapore (Surgery)
  • Bahasa yang Digunakan

    • Hokkien
    • Inggris
    • Mandarin
    • Teochew

Latar belakang

  • Dr Dennis Koh is a general surgeon currently practising at Mount Elizabeth Hospital, Singapore. His special interests are in proctology and colorectal surgery, especially with the use of keyhole or minimally invasive surgery techniques.
  • Dr Koh graduated from University of Nottingham, UK. Prior to obtaining his medical degrees, Dr Koh also took a year off and obtained a Bachelor in Medical Science. He further his medical education and embarked on his surgical training in Singapore. He obtained his Master of Medicine in Surgery from National University of Singapore in 2005. He proceeded to complete his advance surgical training with Singapore General Hospital and became a Fellow of the Royal College of Surgeons of Edinburgh in 2009. He was admitted as a Fellow of the Academy of Medicine (Surgery) of Singapore in the same year. He was awarded the SingHealth Health Manpower Development Plan (HMDP) Award and furthered his training in Hôpitaux Universitaires de Genève (HUG), Switzerland. Prior to setting up his own private practice, Dr Koh was a consultant surgeon in the Department of Colorectal Surgery in the Singapore General Hospital, one of the most progressive and comprehensive colorectal units in Singapore.
  • Dr Koh has special interest in colorectal surgery and has performed numerous colon and rectal surgeries, both open and minimally invasive. He believes that each surgery should be adapted to the patient’s unique case and situation with minimal impact on patient’s lifestyle. Among the repertoire of surgical techniques Dr Koh offers include laparoscopic (key-hole), single port surgery, robotic surgery and transanal endoscopic operation (TEO). Dr Koh is also adept in the field of endoscopy (colonoscopy and gastroscopy). To date, he has performed more than ten thousand endoscopic procedures, including endoscopic stenting and endoscopic mucosal resection (EMR).
  • Another field of interest Dr Koh excels in is proctology. During his fellowship in Geneva, he further honed his skills in proctology and pelvic floor disorders. He is trained to treat conditions such as haemorrhoids (piles), anal fistula, anal fissures, anal abscesses, functional constipation and faecal incontinence.
  • Besides his passion for clinical practice, Dr Koh firmly believes in the importance of training the next generation of surgeons. He has held several teaching appointments including assistant professor with Duke-NUS Graduate Medical School and clinical senior lecturer in Yong Loo Lin School of Medicine, National University of Singapore. As a core faculty member of the SingHealth General Surgery Residency Program, he was actively involved in residency teaching and surgical skills training. He has conducted and trained medical students and surgical trainees in endoscopic and laparoscopic skills with the use of simulation machines. He has also conducted many animal and cadaveric workshop to teach local and overseas surgical trainees and surgeons. He was consistently ranked highly by his medical students and surgical trainees for his teachings.
  • Dr Koh believes that patient care is not only about a good surgical outcome but also about good communication with the patients and their loved ones. Dr Koh is a firm believer of providing accurate information to the patients to aid them to make informed decisions with regards to their health and treatments. For his efforts in patient care, he has been awarded numerous awards and accolades from both his patients and the management during his time in public service.


  • 2nd Prize, Oral Presentation at Annual Society of Colorectal Surgeons (Singapore) Scientific Meeting (2009)
  • Gold Award, Service Quality and Patient Care - Singapore General Hospital (2010 to 2015)
  • Service with A Heart - Singapore General Hospital (2010)
  • Senior Clinical Lecturer - NUS-Yong Loo Lin School of Medicine (2011 to 2015)
  • Adjunct Assistant Professor - Duke-NUS Graduate Medical School (2011 to present)