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HIA Professional Network

Professionals working together to improve our patient’s hearing and quality of life.

Our Team

At Hearing Implants Australia, our team consists of highly skilled audiologists and hearing specialists dedicated to providing personalized care, advanced hearing solutions, and ongoing support throughout your hearing journey.

Surgeon

Dr Phillip Chang

Dr Phillip Chang specialises in ear surgery in children and adults with particular training and interest in tympanomastoid surgery, cochlear implants and acoustic neuroma surgery.

Dr Phillip Chang specialises in ear surgery in children and adults with particular training and interest in tympanomastoid surgery, cochlear implants and acoustic neuroma surgery.

Following his ENT training in Sydney, Dr Chang completed a series of fellowships with Ugo Fisch in Zurich, David Moffatt in Cambridge and The House Ear Clinic in Los Angeles.

Currently Dr Chang operates at St Vincent’s Private Hospital, Sydney Children’s Hospital, Prince of Wales Private Hospital, Norwest Hospital and St Luke’s. In addition Dr Chang serves as the clinical director for a paediatric cochlear implant programme (The Shepherd Centre) and an adult programme (Hearing Implants Australia).

Surgeon

Dr Santiago Draghi

Dr Draghi trained in Argentina and Australia obtaining ENT training and post-training subspecialties in Paediatric Otolaryngology, Otology, Neuro-Otology and Skull Base, as well as implantable solutions.

Dr Draghi trained in Argentina and Australia obtaining ENT training and post-training subspecialties in Paediatric Otolaryngology, Otology, Neuro-Otology and Skull Base, as well as implantable solutions.

In 2014, he completed a Fellowship in Otology, Neurotology and Implantable Hearing Aids at St Vincent’s Private Hospital with Dr Chang. He works at St Vincent’s Private Hospital and serves the broader Central Coast and Newcastle region.

Surgeon

Dr Ekrem Serefli

Dr Serefli completed a Fellowship in Otorhinolaryngology in 1997. In 2016, he completed a Fellowship in Otology, Neurotology and Implantable Hearing Aids at St Vincent’s Private Hospital with Dr Chang.

Dr Serefli completed a Fellowship in Otorhinolaryngology in 1997. In 2016, he completed a Fellowship in Otology, Neurotology and Implantable Hearing Aids at St Vincent’s Private Hospital with Dr Chang.

He has worked in the Illawarra and Shoalhaven areas for the past 13 years. He expanded his practice and in 2017 developed a locally based Cochlear Implant program, in conjunction with Wollongong Private Hospital and Hearing Implants Australia. Dr Serefli has two practices that support our cochlear implant recipients, located in Wollongong and Nowra.

Surgeon

Dr Hannah North

Dr. Hannah North is a qualified surgeon with the Royal Australasian College of Surgeons, specialising in ear, nose, and throat issues. She graduated with honours in Medicine from The University of Sydney in 2005 and completed her ENT training across various Sydney hospitals.

Dr. Hannah North is a qualified surgeon with the Royal Australasian College of Surgeons, specialising in ear, nose, and throat issues. She graduated with honours in Medicine from The University of Sydney in 2005 and completed her ENT training across various Sydney hospitals.

Dr. North has conducted research on inner ear hair cells and has extensive teaching experience, currently instructing medical students at the Westmead Clinical School. She completed fellowships in paediatric ENT and complex ear surgery in the UK and has further enhanced her skills through international training in hearing reconstruction and endoscopic techniques. She has also completed the Advanced Surgeons Course with the Institute of Cochlear Implant Training in Valencia, USA.

Since 2016, she has been practicing in Sydney, seeing patients at Norwest Private Hospital and operating at multiple local hospitals.

Dr North also performs surgeries for our public patients, who do not have cover under Private Health Insurance, DVA or Workcover.

Surgeon

Dr Rhydian Harris

Dr. Rhydian Harris is a dual fellowship-trained surgeon specialising in Ear, Nose, and Throat conditions for both adults and children. He graduated with honours from Guy’s Kings & St. Thomas’ Hospitals in London and completed extensive surgical training, including a fellowship in Otology and Neuro-otology at the Manchester Skull Base Unit.

Dr. Rhydian Harris is a dual fellowship-trained surgeon specialising in Ear, Nose, and Throat conditions for both adults and children. He graduated with honours from Guy’s Kings & St. Thomas’ Hospitals in London and completed extensive surgical training, including a fellowship in Otology and Neuro-otology at the Manchester Skull Base Unit.

After moving to Sydney, he pursued advanced training in ear surgery and refined his skills in rhinology through the Sydney Rhinology Fellowship and additional fellowship training at Westmead Hospital. With a strong background in immunology and significant paediatric experience from the Royal Manchester Children’s Hospital.

Dr. Harris is passionate about childhood ENT conditions. He consults at The ENT Care Hub and Norwest Private Medical Centre, providing operative care at several hospitals in Sydney. He conducts outreach clinics at Port Macquarie ENT and Head & Neck Surgery. Operative care is provided at Westmead Private Hospital, Chris O’Brien Lifehouse Hospital, and Sydney Day Surgery Hospital.

Dr Harris also performs surgeries for our public patients, who do not have cover under Private Health Insurance, DVA or Workcover.

Surgeon

Dr Ranga Sirigiri

Dr Ranga Sirigiri is a fellowship trained ENT Surgeon with special interest in otology and Cochlear Implants. He has done a Paeditric Otolaryngology fellowship from USA apart from training in India.

Dr Ranga Sirigiri is a fellowship trained ENT Surgeon with special interest in otology and Cochlear Implants. He has done a Paeditric Otolaryngology fellowship from USA apart from training in India.

Audiologist

Dina Vazouras

Dina is a cochlear implant audiologist who specializes in adult assessment and rehabilitation. She is a dual trained speech pathologist and audiologist and combines these skills to assist with auditory rehabilitation training for cochlear implant recipients.

Dina is a cochlear implant audiologist who specializes in adult assessment and rehabilitation. She is a dual trained speech pathologist and audiologist and combines these skills to assist with auditory rehabilitation training for cochlear implant recipients.

She works with Dr Chang at St Vincent’s Hospital and at Norwest Hospital. She also regularly visits our regional and remote patients located across NSW.

Audiologist

Mo Helou

Mo is a hearing aid, vestibular and implantable solutions audiologist. With a Master’s degree in Audiology and specialised training in vestibular disorders, Mo combines expertise with the latest technology to provide tailored hearing solutions.

Mo is a hearing aid, vestibular and implantable solutions audiologist. With a Master’s degree in Audiology and specialised training in vestibular disorders, Mo combines expertise with the latest technology to provide tailored hearing solutions.

He’s committed to helping patients improve their hearing and balance effectively.

He works with Dr Chang at St Vincent’s Hospital and at Norwest Hospital. He also has visiting sites in Auburn, Campbelltown, Lidcombe and Wyong.

Audiologist

Madison Carkeet

Madison works out of our St Vincent’s clinic rooms and performs audiological testing and cerumen management. He performs an array of audiological tests to confirm your hearing health status and can also provide ongoing care and maintenance of your hearing aids, aural rehabilitation and wax removal.

Madison works out of our St Vincent’s clinic rooms and performs audiological testing and cerumen management. He performs an array of audiological tests to confirm your hearing health status and can also provide ongoing care and maintenance of your hearing aids, aural rehabilitation and wax removal.

Practice Manager

Stef Crane

Stef is our practice manager. She has worked alongside Dr. Chang for 19 years and provides a seamless patient journey and enhanced operational efficiency. Stef she effectively manages daily operations, staff coordination, and patient relations.

Stef is our practice manager. She has worked alongside Dr. Chang for 19 years and provides a seamless patient journey and enhanced operational efficiency. Stef she effectively manages daily operations, staff coordination, and patient relations.

Administrator

Jessa Roy

Jessa is friendly and professional and provides ongoing high-quality services to our patients. She handles all administrative tasks and is responsible for the day-to-day operations which includes managing patient enquiries, referrals, claims, bookings and clinic events.

Jessa is friendly and professional and provides ongoing high-quality services to our patients. She handles all administrative tasks and is responsible for the day-to-day operations which includes managing patient enquiries, referrals, claims, bookings and clinic events.

Medical Receptionist

Alison Keogh

Alison is our experienced medical receptionist. She has keen attention to detail and ensures everything runs smoothly and efficiently. Alison is dedicated to maintaining order with an air of professionalism.

Alison is our experienced medical receptionist. She has keen attention to detail and ensures everything runs smoothly and efficiently. Alison is dedicated to maintaining order with an air of professionalism.

Medical Receptionist

Blanche Prior

Blanche is our friendly medical receptionist. She ensures smooth visits by managing appointments and answering your questions. Blanche focuses on patient-centred care and makes sure your visit is comfortable.

Blanche is our friendly medical receptionist. She ensures smooth visits by managing appointments and answering your questions. Blanche focuses on patient-centred care and makes sure your visit is comfortable.

The HIA Professional Network

The Hearing Implants Australia Professional Network is Australia’s professional network of independent health and hearing professionals working together to improve our patient’s hearing and quality of life.

All member clinics of the HIA Professional Network are independent clinics that have a drive and focus for treating hearing loss with surgeons who are interested in raising hearing implant awareness.

The HIA Professional Network ensures that those people who need hearing implants are able to access state of the art technology, under the continued of care of their local audiologist. This is true for city, regional and rural patients, all of whom have the best professional medical and audiological support.

Request Prioritised Referral

We know that clear and open communication is essential

Whether you’re a patient, healthcare professional, or GP seeking more information or support, our team is ready to assist you.

Reach out to us for a prioritised referral, inquiries about implantable hearing technology, or to learn more about our services. Let us connect you with the care and expertise you need.

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