Dr Barrett is a general practitioner who joined the practice in 1982 as a registrar and became a partner in 1985.
Dr Barrett has qualifications from the Universities of Auckland and Otago, including:
- Bachelor of Medicine and Bachelor of Surgery (MBChB)
- Diploma of Obstetrics (Dip Obst)
- Postgraduate Diploma in Child Health (DCH)
Dr Barrett is a fellow of the Royal New Zealand College of General Practitioners (FRNZCGP).
Don will be retiring on 7 December 2017, and is no longer registering new patients.