- hip and knee - diagnosing and treating hip and knee pain and arthritis, with primary total joint replacement and reconstruction.
- all hand and wrist conditions from acute trauma to degenerative osteo- and rheumatoid arthritis
- peripheral nerve conditions of the hand
John believes strongly in the importance of patients being able to make informed decisions about their own healthcare. To assist in this he has included a large amount of information about conditions and treatments on his own website.
John is an experienced surgeon who holds a number of positions:
New Zealand Orthopaedic Association (NZOA) Council
New Zealand Orthopaedic Association Education Committee
New Zealand Orthopaedic Association Speciality Orthopaedic Training Board
Ngā Rata Kōiwi (Māori Orthopaedic Surgeons) Chair
Royal Australasian College of Surgeons Māori Health Advisory Group (Chair)
Royal Australasian College of Surgeons Indigenous Health Committee
Australia New Zealand Journal of Surgery - Specialty Editor