ABOUT
We are all are passionate about our chosen clinical interests. Our team has a unique blend of experiences which we use to best serve our patients, as well as our local and online communities.
Each endocrinologist in the ERH Associates group has their own sub-specialties. Some of us have expertise in children's hormone health (paediatric endocrinology), others in gender-affirming medicine, hormone issues in pregnancy, PMS/premenstrual dysphoric disorder, and men's hormone health (andrology).
Endocrine doctors (endocrinologists) are specialists in hormones and the glands that produce them. Endocrinologists can help with keeping healthy in relation to the hypothalamus, pituitary, thyroid, parathyroid glands, reproductive hormonal health, bone health and adrenal glands.
We are all qualified endocrinologists, with particular expertise in reproductive health. We can help with problems relating to absent or irregular periods, menopause, polycystic ovarian syndrome (PCOS), variations in sexual characteristics (VSDs), and testosterone replacement.
Meet the team:
Our philosophy is that excellent doctors can have a vibrant life outside of clinical medicine. Each of us has a variety of passion projects and interests that are energizing, creatively inspiring, and bring richness of personal experience to our medical practice, and sometimes surprisingly transferrable skills!
Matou Nei
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Tena Koe
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Stella Milsom
Clinical & Academic lead of ERH Associates
Subspeciality expertise in menopause, PCOS, bone, paediatric endocrinology and VSCs.
Stella is a reproductive endocrinologist at National Women’s Hospital, and in private practice with the ERH Associates Group and clinical senior lecturer in the Department of Obstetrics and Gynaecology, University of Auckland.
Stella is on the Boards of Osteoporosis New Zealand and Human Fertility UK, is the previous Chair of endocrinology training in New Zealand for the Royal College of Physicians, is a member of the National Health Committees formulating guidelines on menopausal hormone therapy and fertility preservation and is an advisor to Pharmac. She is a member of WHISPA group – a medical advisory board to High Performance Sport New Zealand. Her clinical and research interests include lactation physiology, ovulatory disorders, especially polycystic ovary syndrome (PCOS) and hypothalamic amenorrhea.
Interesting facts: Stella played the clarinet and formerly dreamed of becoming a professional musician. Stella juggles her various clinical and academic commitments with managing several agriCultural farms together with her cardiothoracic surgeon husband.
DR
MbChB, Dip Obs, FRACP
Endocrinologist
She/HEr
Stella is not currently taking on new referrals
Endocrinologist
MEGAN OGILVIE
Business Director at ERH Associates
Subspeciality expertise in menopause, PCOS, athlete hormone health. PMS/PMDD, VSCs and gender-affirming medicine.
Megan completed her endocrinology training in Auckland and then undertook a fellowship in London at St Bartholomew's and University College of London Hospitals. Since returning to New Zealand, Megan has worked in both general and reproductive endocrinology at Fertility Associates and at Auckland District Health Board, and now for number of years in the ERH Associates group based at Fertility Associates.
Megan has particular reproductive endocrine interests in menopause, polycystic ovarian syndrome, gender-affirming care, as well as athlete hormone health and energy deficiency. Megan was a founding member of WHISPA (a medical advisory board to High Performance Sport New Zealand, now disestablished) and continues to do some advisory work for High Performance Sport NZ, and is on the medical board of Talk Peach (a charity for gynaecological cancer).
Interesting facts: Megan has a Speech and Drama degree from Trinity College of London and is a seasoned public Speaker. She loves skiing and most of all loves being organised by her three daughters.
DR
MbChB, FRACP
She/HEr
Endocrinologist
SASHA NAIR
Director of Digital Projects at ERH Associates.
Editor ERH Opinions
Subspeciality expertise in menopause, PCOS, PMS/PMDD, VSCs and endocrine issues in pregnancy.
After graduating from the University of Auckland and completing specialist endocrine training in Auckland in 2015, Sasha undertook a post-graduate fellowship in General and Reproductive Endocrinology in London at Homerton Hospital and University College of London Hospital.
Sasha has experience in general and reproductive endocrinology and with endocrine problems in pregnancy. Her areas of particular interest include PCOS, variations in sexual characteristics (VSCs), PMS/premenstrual dysphoric disorder, premature ovarian insufficiency and hypothalamic amenorrhoea.
BSC HONS (1ST CLASS, 1ST DIV), MBCHB, FRACP
She/HEr
Endocrinologist
Susannah o'sullivan
Susannah completed her training as an endocrinologist at Auckland and Greenlane hospitals in 2008 when she joined Fertility Associates to work in the areas of general and reproductive endocrinology, with particular interests in polycystic ovarian syndrome, menopause, and osteoporosis.
Following completion of a PhD in Medicine, Susannah took up a post as a senior lecturer in Pharmacology at the University of Auckland, where she is also involved in clinical and scientific research with a particular focus on bone health throughout life. Susannah is currently the Service Lead Clinician at Auckland Hospital, Te Whatu Ora.
interesting facts: Susannah enjoys long-distance running and is something of a mathematical whiz who could have been a forensic accouNtant in a another life...
DR
MBCHB, PHD,FRACP
Susannah is currently not accepting New referrals in private
She/Her
Subspeciality expertise in menopause, PCOS, gender-affirming medicine, and bone disorders.
Susannah is currently not accepting New referrals in private
Endocrinologist
Ruveena Kaur
Subspeciality expertise in endocrinology and obstetric medicine
Ruveena is an Endocrinologist, dually-specialised in Obstetric Medicine. Ruveena completed her MBChB at The University of Auckland and won awards for her research in Endocrinology and Diabetes during her specialist advanced training. She has most recently been working as a Consultant Endocrinologist and Obstetric Physician at Cairns Hospital and Cairns Diabetes Centre. Ruveena has special interests in reproductive endocrinology, general endocrinology (thyroid, metabolic bone disease, pituitary, adrenal) and obstetric medicine. Ruveena is passionate about caring for her patients, knowing their stories, and helping them to achieve the best outcome on their medical journeys.
Interesting facts: Ruveena led a Bhangra and Bollywood dance group in her younger years. She is now learning Salsa and Bachata and has a motto to try everything once!
DR
MBChB, FRACP, SOMANZ
She/Her
New Endocrinologist!
Dr Paula West
Paula graduated from The Auckland University School of Medicine, and in her post-graduate training received the Primex Award from the Royal New Zealand College of General Practitioners for achieving the highest marks overall in the General Practice clinical and written exams in 2009.
Paula went on to become an experienced General Practitioner with a special interest Women’s Health
and an accredited GP trainer and an examiner for the Royal New Zealand College of GPs.
Paula believes in building a trusting therapeutic relationship with her patients, founded on careful listening, effective communication, and empathy.
Paula aims to practice high-quality evidence-based medicine whilst maintaining an awareness of the wider influences of social, occupational and psychological wellbeing on the overall health of women.
Interesting facts:
Paula is an accomplished classical guitarist and an avid sports fan who enjoys time with her family and friends, time at the beach, swimming, fishing, golfing, and walking the family dog.
BSc, BHB, MBChB, MSc,
PGDipPaeds, FRNZCGP
Dr Anna Twhigg
Anna studied at the University of Otago Medical School, and subsequently completed her General Practice Fellowship and a Diploma in Obstetrics and Gynaecology from the University of Auckland.
Anna is an experienced Women's Health-Specialised GP with over 25 years of clinical experience in General Practice prior to joining the ERH Associates team in 2024.
Anna brings her experience in providing continuity of care for women through the important life stages of adolescence, pregnancy and childbirth, and the menopausal transition.
Anna believes that an important role for healthcare professionals is sharing knowledge that is easy to understand and empowers people shape their own wellbeing.
Interesting facts:
Anna is embracing her own menopause by regularly going off grid to Great Barrier Island, a remote haven where the beach feels crowded if someone is within a 5km radius. She hopes to awaken a belated artistic talent - to make art, design jewellery or write a children’s book …or at least bake a cake?
MBChB , PGDipObs, FRNZCGP
I look forward to meeting you and working with you to develop a personalised approach to your health and wellbeing journey.
Meet the Womens Health GPs
I want to help women to see menopause as an opportunity to welcome their new freedom, to explore personal interests and to pass on their wisdom.
Holly Madelin
Paula Henderson
Administrative Support Team
Scientific Publications
As part of our philosophy to contribute to the evidence base for medical care, and we have collaborated together on a number of research projects as well as working with other research groups nationally and internationally.
Media Features
In keeping with our mission to empower you with information about your endocrine and reproductive health, our endocrinologists feature in print and film interviews for public education.
Medical research
Public education
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