South East Colorectal
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Mr William Teoh

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Mr William Teoh is a specialist colorectal surgeon.  He graduated from Aberdeen University, United Kingdom in 1992.
He started his surgical training at The Austin Hospital in 1993 and was subsequently awarded Fellowship of the Royal Australasian College of Surgeons in 2004.  After that, he further sub-specialised in colorectal surgery by training under the auspices of the Colorectal Surgical Society of Australia & New Zealand (CSSANZ).

Mr Teoh is currently the Unit Head of Colorectal Surgery for Monash Health.
Mr Teoh has consultant appointments at Dandenong Hospital (Monash Health) and Knox Private Hospital
Mr Teoh consults at:
South East Colorectal – 124 David Street, Dandenong
Knox Private Hospital – 252 Mountain Highway, Wantirna South


Areas of special interest include:
  • Colorectal cancer
  • Diverticular disease
  • Colorectal bleeding
  • Inflammatory bowel disease
  • Benign anorectal conditions – haemorrhoids, abscess, fistula, fissure
  • Functional bowel conditions – faecal incontinence, anal sphincter injuries, obstructed defaecation, rectal prolapse, rectocoele
Aside from performing a wide variety of traditional open surgical procedures, Mr Teoh also specialises in laparoscopic bowel surgery.
He performs colonoscopies and has an interest in difficult polypectomies and colonic stenting for advanced malignancy.  He is also involved in the multidisciplinary management of obstetric anal sphincter injuries and performs endoanal ultrasound and anorectal manometry in the assessment of women with third and fourth-degree tears.
Mr Teoh is married and has three children.

​@SECR 2026

  • Home
  • Our Surgeons
  • Online Referral
  • Manometry Referral
  • Patient Registration
  • Contact
  • Patient Info
    • Consulting Locations
    • Patient Brochures
    • Feedback Form
  • FAQ
  • Useful info & links
    • Hospitals
    • Pelvic Floor Physiotherapists
    • Referral for Coloplast Care Nursing Support
    • Stomal Therapy Info
    • Imaging & Radiology
    • Other useful sites
  • Mission Statement