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Our Doctors

Our team of doctors comprise two highly experienced vascular surgeons and a pioneering phlebologist.

  • Dr Nicole Organ

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    Dr Nicole Organ is a Vascular and Endovascular senior staff specialist surgeon at John Hunter Hospital with private practice at Lake Macquarie Private Hospital, Newcastle Private Hospital and Lingard Private Hospital. At John Hunter, she is the Deputy Director of Surgical Services as well as the Director of Vascular Surgery. She is a board member of the Royal Australasian College of Surgeons Board of Vascular Surgery and is on the faculty of the Adelaide Vascular Trials. Dr Nicole Organ is a senior member of the Vascular HealthCare team providing consultation for vascular conditions and supervising vascular ultrasound services.  

    Dr Organ performs a wide range of operative vascular and minimally invasive endovascular procedures and participates in the national Australian Vascular Audit.

  • Dr Mathew Sebastian

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    Dr Mathew Sebastian is a vascular surgeon with over 15 years of experience and expertise in the field following his training in the United States and Singapore. Since 2009, he has been working in Newcastle and the Hunter region. Mathew is a senior staff specialist vascular surgeon and Director of Vascular Ultrasound at John Hunter Hospital, as well as Training Supervisor in Vascular Surgery for the Royal Australasian College of Surgeons (RACS). He also teaches and examines undergraduates from the University of Newcastle.

    Apart from his public appointment, Mathew is a visiting medical officer (VMO) at Lake Macquarie Private, Lingard Private and Newcastle Private hospitals. He consults at the Vascular HealthCare rooms at Gateshead, Merewether and East Maitland.

    Mathew’s clinical interests are in the endovascular management of aortic aneurysms and dissections as well as endovascular interventions in limb salvage, particularly for infra-genicular and ‘diabetic foot’ disease.

  • Dr Naomi Hunter

    Dr Naomi Hunter is a leading phlebologist in the region, with close to 30 years of experience behind her. She graduated in medicine from the University of Newcastle in 1985. Following her years of internship and residency, she commenced general practice in Newcastle in 1988. In 1989, she commenced training in the field of Phlebology at the Cardiovascular Centre, Newcastle under the tutelage of Dr Alan Bray and Dr Paul Thibault, both prominent pioneers in this field.

    Dr Hunter runs her practice, Hunter Vein Clinic, out of the Vascular HealthCare rooms at Toronto and East Maitland. She continues to take an active interest in the latest developments in phlebology treatment modalities.