Melbourne Respiratory and Sleep Services (MRSS) has been serving Melbourne’s north-eastern community since 2007. What began as a practice of two specialists has grown organically into a leading respiratory and sleep medicine clinic, helping thousands of patients achieve better sleep, improved respiratory health and enhanced quality of life.
Today, MRSS is home to ten specialists Respiratory and Sleep Physicians, supported by an experienced team of respiratory scientists and administrative professionals. Together, we provide comprehensive, patient-centred care tailored to the individual needs of every patient, while maintaining a strong commitment to clinical excellence and collaboration.
Our specialists are recognised leaders in Respiratory and Sleep Medicine, holding appointments at major public and private hospitals across Melbourne. Beyond clinical practice, our team is actively involved in medical research, specialist training, clinical leadership and advocacy, helping advance the future of respiratory and sleep healthcare.
We pride ourselves on delivering holistic care that places patients at the centre of every decision. By working closely with referring General Practitioners and other healthcare providers, we ensure coordinated care, clear communication and the best possible outcomes for our patients.
As a locally established specialist practice, we are deeply committed to improving the health and wellbeing of our community. Through expert clinical care, ongoing research and strong partnerships with referring doctors, we continue to support patients across Heidelberg, Melbourne’s north-eastern suburbs and beyond.
We’re committed to offering compassionate and comprehensive healthcare tailored to your needs. At Mednix, your health is our priority every step of the way. Our expert team combines state-of-the-art technology with personalized care to provide treatments designed around your unique health needs.


Comprehensive assessment, diagnosis and management of respiratory conditions including asthma, COPD, chronic cough, breathlessness, bronchiectasis, lung nodules and interstitial lung disease.
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Advanced respiratory testing to assess lung capacity, airflow and breathing function, supporting accurate diagnosis, treatment planning and ongoing monitoring of respiratory conditions.
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Specialist diagnostic procedures used to investigate lung and airway conditions, including lung nodules, infections and suspected lung cancer, using minimally invasive techniques.
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Expert assessment and management of sleep-related conditions including sleep apnoea, snoring, insomnia, excessive daytime sleepiness and other sleep disorders.
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Comprehensive sleep testing performed either in the comfort of your home or within a sleep laboratory to diagnose sleep-related breathing and sleep disorders.
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Early detection and risk assessment services for eligible patients, helping identify lung cancer at an earlier stage when treatment options may be more effective.
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"My father has bee seeing Dr Sanji Wasgawatta for many years and he is very happy with the wonderful care and management of his condition. We would highly recommend the quality care and professionalism the clinic offers."
"Saw Dr Wallbridge and loved him. Great Doctor and person in general."
"It feels as though I have been a patient of A. Prof. Fergal O'Donoghue since before time, but if memory serves correctly 2007 is more accurate. …More"
"My parents have been patients of Dr Fergal since past 3 years now and have received nothing but the best of care and advice. My dad was suffering from COPD and mum dealing with cardiac complications as well as lung issues. Dr Fergal not …More"
"My father has bee seeing Dr Sanji Wasgawatta for many years and he is very happy with the wonderful care and management of his condition. We would highly recommend the quality care and professionalism the clinic offers."
"Saw Dr Wallbridge and loved him. Great Doctor and person in general."
"It feels as though I have been a patient of A. Prof. Fergal O'Donoghue since before time, but if memory serves correctly 2007 is more accurate. …More"
"My parents have been patients of Dr Fergal since past 3 years now and have received nothing but the best of care and advice. My dad was suffering from COPD and mum dealing with cardiac complications as well as lung issues. Dr Fergal not …More"
03 9455 0786
226 Burgundy St, Heidelberg VIC 3084
Advara HeartCare , Centre for cardiology, Unit 1/1008 Doncaster Rd, Doncaster East VIC 3109