Get to know us
It's important that you get to know us all
Directors
Dr Adam Kowalczyk MD, PhD, FRACGP - Director
Carolyn Sickerdick DipBus; CPMAAPM; JP - Director
Carolyn Sickerdick DipBus; CPMAAPM; JP - Director
Dr Adam Kowalczyk is a Fellow of the Royal Australian College of General Practitioners and has training and a Doctoral degree in Cardiology.
He has a special interest in
- Cardiology (PhD degree) including heart disease and hypertension
- Whole family, Children and Adolescent health
- Mental health and Psychology
- Chronic and complex diseases Mana
Dr Adam Kowalczyk is a Fellow of the Royal Australian College of General Practitioners and has training and a Doctoral degree in Cardiology.
He has a special interest in
- Cardiology (PhD degree) including heart disease and hypertension
- Whole family, Children and Adolescent health
- Mental health and Psychology
- Chronic and complex diseases Management
- is an Accredited GP Trainer
He is an avid motorbike rider, enjoys surfing with his wife and two children, as well as roasting and brewing his own coffee.
Languages spoken (in addition to English) - Polish, German
Carolyn Sickerdick DipBus; CPMAAPM; JP - Director
Carolyn Sickerdick DipBus; CPMAAPM; JP - Director
Carolyn Sickerdick DipBus; CPMAAPM; JP - Director
Carolyn is proud to head the team at O'Halloran Medical Centre.
She has been in Medical Management since 2000 and holds the prestigious title of Certified Practice Manager through the Australian Association of Practice Managers as well as being President of SA/NT committee of AAPM.
Carolyn is also a qualified Accreditation Surveyor through QPA and is a Justice of the Peace in South Australia.
General Practitioners
Dr Nathan Lam, MBBS
Dr Charlotte Jones, MBBS, MRCGP, FRACGP
Dr Charlotte Jones, MBBS, MRCGP, FRACGP
Born and raised in Adelaide, Dr Nathan Lam graduated in medicine at the University of Adelaide, South Australia. He spent a year of his training in Kapunda, and has also worked in Mount Gambier and Mount Hagen in Papua New Guinea. Prior to starting as an Australian GP registrar, Dr Lam spent two years working at the Royal Adelaide Hospi
Born and raised in Adelaide, Dr Nathan Lam graduated in medicine at the University of Adelaide, South Australia. He spent a year of his training in Kapunda, and has also worked in Mount Gambier and Mount Hagen in Papua New Guinea. Prior to starting as an Australian GP registrar, Dr Lam spent two years working at the Royal Adelaide Hospital.
Dr Lam practises across all areas of general practice, and has particular interests in mental health, paediatrics, palliative care and older persons health care.
In his spare time, Nathan enjoys making music as a solo artist (@nathanhuiyi). His music has been featured on the “Tops” Program on Triple J Unearthed and is available on Spotify and other streaming services. He also plays events as a DJ with Lam Brothers Disc Jockeying and as a guitarist in Adelaide band Spanish Harlem.
Dr Charlotte Jones, MBBS, MRCGP, FRACGP
Dr Charlotte Jones, MBBS, MRCGP, FRACGP
Dr Charlotte Jones, MBBS, MRCGP, FRACGP
Dr Jones has joined us from the UK and is also a Fellow of the Royal Australian College of General Practitioners.
Adelaide born, Dr Jones has a special interest in
- Women's Health
- Chronic Disease Management
- Diabetes
- Child health
- Preventative care
- Minor Surgical Procedures
- Teaching of medical students
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Dr Dorothy Niumeitolu BMBS; FRACGP - Currently on Maternity leave until mid 2021
Dr Dorothy Niumeitolu BMBS; FRACGP - Currently on Maternity leave until mid 2021
Dr Dorothy Niumeitolu BMBS; FRACGP - Currently on Maternity leave until mid 2021
Dr Dorothy Niumeitolu is a Fellow of the Royal College of General Practitioners. She completed her medical degree at Flinders University and spent a number of years working in the Southern Adelaide region, before moving into
General Practice
Her interests include:
- Family Health
- Pregnancy/Children's Health
- Chronic Disease Management
- Mental Health
- Women's Health
- Aged Care
Dr John Birss MBChB, ACCRM
Dr Dorothy Niumeitolu BMBS; FRACGP - Currently on Maternity leave until mid 2021
Dr Dorothy Niumeitolu BMBS; FRACGP - Currently on Maternity leave until mid 2021
Dr John Birss graduated with MBChB in July 1968 from Aberdeen University in N.E. Scotland and emigrated to Australia in August 1969. After wintering at Mawson Station Antarctica in 1978, he moved into Geriatrics and Medical Administration, gaining a Graduate Diploma in Professional Management from the Tasmanian State Institute of Techno
Dr John Birss graduated with MBChB in July 1968 from Aberdeen University in N.E. Scotland and emigrated to Australia in August 1969. After wintering at Mawson Station Antarctica in 1978, he moved into Geriatrics and Medical Administration, gaining a Graduate Diploma in Professional Management from the Tasmanian State Institute of Technology and studying with RACMA. He returned to his first love in rural and remote medicine in 1992 and became a Foundation Fellow of the Australian College of Rural and Remote Medicine 1998. After a second winter in Antarctica at Davis Station, he graduated with a Master of Family Medicine (clinical) from Monash.
His interests include:
- Rural & Remote General medicine
- Family Medicine
- Chronic Disease Management
John and Heather (a retired Anglican Priest) have 4 children, 6 grandchildren & 2 dogs. He still enjoys walking, working and watching cricket and rugby.
Dr Alecia Macrow BMBS, FRACGP - Locum
Dr Dorothy Niumeitolu BMBS; FRACGP - Currently on Maternity leave until mid 2021
Dr Alecia Macrow BMBS, FRACGP - Locum
Dr Alecia Macrow has been a locum general practitioner since 2013 all over South Australia and obtained her Fellowship in 2016.
Her interests include:
- Family Health
- Chronic Disease Management
- Women's and Men's health
- Child health and immunisations
- General Family Medicine
Admin & Nurses
Nursing Team
Nursing Team
Nursing Team
Linda is our Registered Nurse and Rachel is our Enrolled Nurse and both are highly experienced in all facets of general practice.
Linda and Rachel offer services such as administering adult and child immunisations, chronic disease management and wound management.
Linda consults Monday to Wednesday 9.00am to 5.00pm and Rachel consults Thursd
Linda is our Registered Nurse and Rachel is our Enrolled Nurse and both are highly experienced in all facets of general practice.
Linda and Rachel offer services such as administering adult and child immunisations, chronic disease management and wound management.
Linda consults Monday to Wednesday 9.00am to 5.00pm and Rachel consults Thursday and Friday 9.00am to 5.00pm.
Please note all appointments with our nurses will need to have a corresponding appointment with one of our GPs.
Admin Team
Nursing Team
Nursing Team
Ania, Kirsten, Courtney, Kaelen, Bree and Izabela are there to help you with all your appointment bookings and billing enquiries and to make sure your visit to our clinic is a positive one.