Dr Michael 'Mike' O'Grady


Mike is a New Zealand trained General Surgeon who specialises in General and Colorectal surgery.

He completed medical school at the University of Otago in Dunedin then spent three years working at Whanganui Hospital as a junior doctor. He progressed rapidly through his surgical training, working as a registrar in various public hospitals throughout Aotearoa before becoming a Fellow of the Royal Australasian College of Surgeons. He dedicated a further year to subspecialty training in colorectal surgery, operating with the busy colorectal team at Waikato Hospital. Mike earned a Master's Degree in General Surgery with a focus on diverticular disease and the gut microbiome, areas in which he has authored several research papers.

Alongside his private practice, Mike also serves as a Consultant General Surgeon at Whanganui Hospital where he performs his more complex colorectal surgeries for conditions such as colon cancer, inflammatory bowel disease and diverticular disease. He is a fully accredited endoscopist, participating in the New Zealand Bowel Screening Program. Mike undertakes regular national and international medical education to stay up to date with the latest advances in surgical management. He also devotes time to instructing New Zealand and Australian surgical trainees in specialised skills courses.

General Surgery
Areas of Practice
  • Rural
  • Colorectal
  • Surgical Oncology
Professional Qualifications
  • Bachelor of Medicine and Bachelor of Surgery MBChB
  • Master of Medical Science MMedSc (Distinction)
  • Fellow of the Royal Australasian College of Surgeons FRACS
Consulting Rooms & Hospitals
Campbell House39 Campbell Street, Whanganui, , 4500, New ZealandP: 062424114E: [email protected]W: mikeogradysurgery.co.nz