highly effective
& least invasive surgery
commitment
to excellent care & improved health
exceptional care
for Your Health
live a life
with less pain & in better health
To continuously enhance our good reputation by providing the best available treatment options to the people we serve in the most comfortable and convenient setting.
We maintain a special interest in Colorectal, Laparoscopic & General Surgery, and provide a full range of services in the diagnosis and management of colorectal diseases and also perform a range of general surgical operations.
Colorectal surgery deals with the surgical treatment of diseases related to the colon, rectum and anus. Read more...
General surgery is the surgical subspecialty that involves treatment of any injury, deformity and disease with operative procedures. Read more...
Laparoscopy is a minimally invasive technique of performing a surgery through smaller incisions. Read more...
Rectal bleeding refers to passage of blood through the anus along with the stools. The rectum is the last part of the large intestine and lies right above the anus Read more...
Dr Mark Muhlmann
Meet Dr Mark Muhlmann MBBS (Hons) FRACS
Dr Muhlmann’s focus is on laparoscopic (keyhole) colorectal surgery for cancer, inflammatory bowel disease (crohns disease, ulcerative colitis) and diverticular disease. He also has experience in pelvic floor disorders including faecal incontinence and constipation.
GPs, Specialists & Gastroenterologists
For urgent referrals, please call us directly at (02) 8305 0000 to schedule an appointment. If you have a question, please contact us by email
Our Clinical Care Program provides a full range of services in the diagnosis and management of colorectal diseases and general surgery procedures.
  • Prince of Wales Private Hospital
  • The Royal Hospital For Women Foundation
  • Colorectal Surgical Society of Australia and New Zealand
Randwick Rooms

Prince of Wales Private
Suite 17, Level 7
Barker Street
Randwick NSW 2031

Phone: 1300 553 347
Fax: (02) 9650 4924

Double Bay

Double Bay Day Hospital Specialist Suites
Suite 3.01, Level 3, commercial
451 New South Head Road
Double Bay

Phone: 0290 863 133
Fax: (02) 9086 3123