General Practitioners

Our medical practice is made up of an association of individual GPs committed to sharing knowledge so as to provide quality care that meets all of the needs of the local community.

Our general practitioner doctors consist of the following team:

dr-john-ramseyDr. John Ramsey

Dr Ramsey graduated at Adelaide University and worked with Dr Furniss in Taperoo since the 1960’s. Moved to Yankalilla in 2006 to consult as a GP, he returned to HMS to work in 2016. He loves motorbike riding.



Dr.Warwick PyeDr.Warwick Pye

Dr. Warwick Pye graduated at Adelaide University in 1976 and has worked in Taperoo since 1980. He enjoys the challenge and variety of family medicine. His interests include reading, sport and exercise.



Dr.Harry MacrisDr.Harry Macris

Dr. Harry Macris has been with Harbour Medical Services since 1987, first as a medical student and then as practising doctor in 1992. He grew up in Semaphore and his passion is to provide excellent quality medical services to the LeFevre and Port Adelaide areas. His other passion is his family and he enjoys watching a good game of football.


dr-fan-xuDr.Fan Xu

Dr. Fan Xu  graduated from the University of Adelaide and commenced practice at Harbour Medical Services since 2001.   He has a passion to provide comprehensive medical care to the local community. He also enjoys photography, books, arts and history.



Dr.George IsaacDr.George Isaac

Dr. George Isaac graduated from the University of Adelaide He grew up in Sydney and came to Adelaide 1997. He has three children.




Dr. Martin BirdDr. Martin Bird

Born in Richmond, inner suburban Melbourne, Dr Martin Bird spent much of his adult live working in remote communities in far Northern Queensland and the Norther Territory as a Nurse, then regional manager and a short period in Canberra as a policy adviser. Dr Bird gained entry into medicine in 2004 and was accepted as a fellow of the Royal Australian College of General Practitioners in 2011. Dr Bird enjoys all aspects of family medicine and is committed to provid a quality and thorough service for his patients.


Dr.Julie SloanDr. Julie Sloan

Dr. Julie Sloan graduated from Flinders University in 1997 and is a Fellow of the College of GPs. She commenced work at Harbour Medical Services in 2001. She covers all areas of general practice with special interest in women’s health, antenatal shared care and paediatrics.



Dr.Victoria ChongDr.Victoria Chong

Dr Victoria (Vikki) Chong graduated from University of Adelaide in 2000. She started working at Harbour Medical Services as a registrar in 2006 and continued on since then. She enjoys all aspects of general practice, including obstetric shared care. She enjoys good food and travelling.



Dr.Bonnie FraserDr. Bonnie Fraser

Dr. Bonnie Fraser came to the practice in 2005 as a medical student, and then joined again as a qualified doctor in 2012. She enjoys the variety of general practice, including women’s health, depression and chronic pain management. She is also interested in music (playing and writing music for piano and percussion), computing, and having a good laugh.


blank photo femaleDr. Thuan Doan

Dr. Thuan Doan graduated in 2004 from the University of Adelaide. She completed her Residency at the Royal Perth Hospital focusing on acute and critical care medicine before returning to Adelaide to work at the Women’s and Children’s Hospital. She commenced her specialist GP training with Adelaide to Outback in 2007 and was accepted as a Fellow in the Royal College of General Practice in 2012 after spending a year in Streaky Bay in a rural placement. She enjoys chronic health, preventative health and weight management.

Dr Chad CollinsDr Chad Collins

Dr Collins graduated from Medical School at Australian National University under Army scholarship. His first Army post was to Darwin then posted to Adelaide. He was deployed in Afghanistan from October 2012 – June 2013 with 7th Battalion Royal Australian Regiment as Trauma Team Leader and Primary Health provider. He has worked at Harbour Medical since 2014.
Dr Collins’ hobbies include personal fitness and Coffee; He also likes to travel to far flung destinations.

Dr Kathi NybergDr Kathi Nyberg

Dr Kathi Nyberg graduated in 2003 from Flinders University with Honours, and was awarded the Australian Medical Association Medal as well as prizes in Obstetrics and Gynaecology, Surgery, and Clinical Skills. Prior to entering General Practice Dr Nyberg undertook training in paediatrics to an advanced level, and has competence in musculoskeletal conditions through a previous degree in physiotherapy. Dr Nyberg enjoys the variety in General Practice including  paediatrics, management of chronic health conditions, aged care, and is qualified for obstetric shared care. Her working life is balanced by time spent with her family.

Dr Paul FlahertyDr Paul Flaherty

Dr Paul Flaherty obtained his medical degrees from Flinders University in 1980. After 2 years postgraduate training at RAH he commenced General Practice on LeFevre Peninsula in 1983 from locations at Taperoo, Glanville and North Haven, before joining the Harbour Medical Services team in 2016.

He enjoys sailing, golf, travelling and family life.



We also employ general practice registrars on a rotational basis. These are qualified doctors who are further specializing their skills in general practice.