COVID-19 Practice Information regarding Scheduled Appointments:
In the best interests of patients and clinicians, we have moved to a mixture of Face to Face and Telehealth appointments. Your appointment will go ahead at the designated time, however will be either by Telehealth or in person as arranged prior to the date. Due to the volume of phone calls please refer to the instructions on this page and avoid phoning the practice about your appointment if possible. All usual fees apply.


What is Endocrinology?

Endocrinology is the study of the various hormones and their actions and disorders in the body.  An endocrinologist is a specially trained doctor who has training in Internal Medicine / General Medicine with additional specialist training in endocrinology.  Endocrinologists have the training to diagnose and treat hormone imbalances thus helping to restore the normal balance of hormones in the body.

Dr Natalie Harrison - Endocrinologist

Endocrinologist: Dr Natalie Harrison – MBBS (Hons), FRACP

Natalie obtained her medical degree at the University of Melbourne with honours in 1998.  She went on to complete her training with a fellowship in Obstetric Medicine at the Royal Women’s Hospital, Melbourne in 2007, becoming a specialist physician, subspecialising in Diabetes and Endocrinology.

Natalie went on to work at Barwon Health, Geelong, and amongst endocrinology work, she also set up a diabetes foot clinic in 2009.  Natalie founded Geelong Endocrinology & Diabetes in 2010 and has since started a paediatric insulin pump service in 2011 and an internet based telehealth service for patients in regional areas in 2012. She continues to work at the Geelong Hospital in the diabetes outpatient clinic and on the wards.

Natalie keeps up to date by attending meetings and conferences several times a year and believes that being part of an innovative and busy group private practice is a great way to maintain knowledge and interest.

Outside work Natalie loves spending time with her 5 sons, extended family, running, cooking, and gardening.

Dr Kimberly Cukier - Endocrinologist

Endocrinologist: Dr Kimberly Cukier – BmedSci, MBBS (Hons), FRACP

Kimberly obtained her medical degree at the University of Tasmania with first class honours in 2002.  She completed her Endocrinology training at the Royal Adelaide Hospital working alongside some of Australia’s leading Endocrinologists and researchers.

She became a specialist physician, subspecialising in Diabetes and Endocrinology in 2010 after completing clinical research at the Geelong Hospital. Kimberly went on to work at Barwon Health, Geelong and has been actively promoting the management of patients with diabetes in the hospital and outpatient setting with policy development a key component.  Kimberly joined Geelong Endocrinology & Diabetes in 2012 and continues to work at Barwon Health

Kimberly is a senior clinical lecturer at Deakin University, teaching and examining medical students and is passionate about teaching hospital doctors about endocrinology. She is actively involved in the training of new physicians.

Kimberly loves spending time with her family, reading, cooking and practising yoga.

Dr Michael McNamara - Endocrinologist

Endocrinologist: Dr Michael McNamara – MBBS, FRACP

Michael McNamara completed his medical degree at the University of Melbourne in 2003.  He is an Endocrinologist and Diabetes Physician who has trained in Centres of  Excellence in Melbourne at the Western and Royal Melbourne Hospitals and in Geelong at Barwon Health.

He completed his specialist training in 2012 and was the Endocrinology Fellow in Barwon Health in 2013 with involvement in clinical trials in osteoporosis and diabetes. He is interested in all aspects of endocrinology and diabetes and joined Geelong Endocrinology and Diabetes in 2013.

He is a consultant in Diabetes and Endocrinology and General Medicine at Barwon Health.

Michael enjoys spending time with his young family and is a passionate rock climber and bush walker.


Endocrinologist: Professor Geoff Nicholson – MBBS (WA) PhD (Melb) FRACP FRCP (Lond)

Geoff was born, raised and educated in rural WA. He completed his medical degree at The University of WA in 1973 and in 1977 did Physician training in London. He then worked as a GP in Dampier WA (the Pilbara) followed by several years with the RAAF in Butterworth Malaysia as flight surgeon for 3 Squadron (Mirage fighters) and physician at No 4 RAAF Hospital.

After completing training as an Endocrinologist in Perth he did a PhD at The University of Melbourne and then joined the Department of Medicine at The University of WA. In 1990 he moved to Geelong as inaugural Professor of Medicine, The University of Melbourne and subsequently as Head of the multidisciplinary Department of Clinical and Biomedical Sciences, and Director of Barwon Health’s Department of Endocrinology and Diabetes, where most of Geelong’s current Endocrinologists were trained. When The University of Melbourne withdrew from Barwon Health in 2010, Geoff moved to Toowoomba as Head of University of Queensland’s Rural Clinical School. With the arrival of grandson Josh, Geoff moved back to Geelong in December 2014.

As well as his interests in clinical endocrinology, medical research (he has over >300 publications) and teaching, Geoff is committed to advancing rural and Indigenous health, and he has a lifelong passion for flying.

Geoff is certified to complete Aviation Medicals.

Endocrinologist: Dr Alice Hong – MBBS, BMedSci, FRACP

Alice obtained her medical degree at the University of Melbourne in 2010 and undertook basic physician training at St Vincent’s Hospital Melbourne. She went on to complete her Endocrinology and Diabetes training at Western Health, Royal Hobart Hospital and St Vincent’s Hospital.

Alice continues to work at St Vincent’s as a consultant endocrinologist in the Metabolic Bone Clinic and on the wards. She is also undertaking part-time research in pituitary disease.

Alice enjoys all aspects of diabetes and endocrinology and actively attends meetings and conferences to keep up to date with her knowledge.

Outside work Alice enjoys spending time with family and friends, reading and travelling.

Endocrinologist: Dr Lan Lan – MD. FRACP

Lan Lan obtained her medical degree at Baylor College of Medicine in Houston, USA. She completed her basic physician training in 2015 and became a specialist physician in Endocrinology in 2019 after working at Monash Health, Western Health and Barwon Health.

Lan Lan also currently works part-time at Barwon Health.  She is interested in all aspects of endocrinology and diabetes.

Endocrinology Fellow: Dr Elizabeth George – FRACP, MBBS, BBiomedSc

Elizabeth undertook a biomedical science degree majoring in the fields of
anatomy and physiology at the University of Queensland. She then completed her medical degree at Deakin University.

She went on to complete her basic physician training at the Alfred Hospital, followed by her advanced training in endocrinology at Barwon Health, Monash Medical Centre and a clinical fellowship at Geelong Endocrinology and Diabetes. Elizabeth has particular interests in premature ovarian insufficiency and diabetes related technology.

Teaching and medical education are two areas Elizabeth is passionate about and she assists with training and mentoring junior doctors. In her spare time, Elizabeth enjoys photography.

My special interests: premature ovarian failure, women’s health, diabetes technology and thyroid

Endocrinologist:  Dr Katherine Kibbey  BMedSci, MBBS(hons), FRACP, MSc

Katherine obtained her medical degree with first class honors at the University of Tasmania in 2002. She completed her training in Endocrinology at Monash Health, Barwon Health and the Royal Hobart Hospital and became a fellow of the Royal Australasian College of Physicians in 2010.

In 2014 Katherine completed a Masters of Public Health (Health Promotion) through the University of London’s School of Hygiene and Tropical Medicine.

Katherine joined Geelong Endocrinology and Diabetes in 2021 and continues to work at Monash Health and Monash University.

She is interested in all aspects of endocrinology and diabetes.