Meet our local team

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Dr Christian Wieser

MBCHB (2013) Auckland
FRNZCGP (2018)
Adv Clin Cert Skin Cancer Medicine&Surgery (SCCA)
Adv Clin Cert Dermoscopy (SCCA)


Dr Christian Wieser is the director of Skin Cancer Doctors. He is a vocationally registered General Practitioner with a special interest in skin cancer medicine.  He gained his medical degree from the University of Auckland and has been based in Whangarei since 2013. Christian has performed over 3000 skin excisions since 2017 and performs both simple and complex surgery including skin flaps and skin grafts on the head and neck area with meticulous attention to achieving the most natural cosmetic result possible. He is an accredited Skin Cancer Doctor with the Skin Cancer College of Australasia (SCCA) and an affiliated provider for Southern Cross. He is a preferred provider for NIB and is also a full member of New Zealand Skin Cancer Doctor Society.

Dr Wieser consults Monday to Thursday.

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Dr Shirley Wallace

BHB (1981) Auckland
MBCHB (1985) Auckland

Dip Obst (1987) Auckland

FRNZCGP (2005)

BA HONS, Biological Anthropology (2009) Auckland

MA, Biological Anthropology (2011) Auckland

Cert of Skin Cancer Medicine (SCCA)

Adv Clin Cert of Dermoscopy (Health Cert)


Dr Shirley Wallace joined Skin Cancer Doctors in March 2021. She completed her medical degree in Auckland in 1986 and worked as a busy GP for 25 years. As part of that work she performed numerous skin cancer checks and surgical excisions. She has considerable experience in the field of reproductive and sexual health and is able to provide advice on the management of genital skin problems. Shirley also works part time as an Osteoarcheologist. Shirley has completed her certificates in Skin Cancer Medicine and Dermoscopy with the Skin Cancer College of Australasia and is working towards Accredited Skin Cancer Doctor status.

Dr Wallace consults Tuesdays and Wednesdays.

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Maureen Simpkin

Maureen is our experienced registered nurse who among many things assists the doctors with surgery as well as guides patients on how to care for their wounds after skin surgery.

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Jo-Ellen and Louise

Jo-Ellen and Louise are our fantastic receptionists/ administrators and you will meet them at the front desk or over the phone when you call.