Meet the Team

Marcus McMahon is a Respiratory and Sleep Disorders physician based at Epworth Healthcare in Melbourne. He is a member of the Australasian Sleep Association, the American Academy of Sleep Medicine and was awarded Fellowship of the American Academy of Sleep Medicine in 2022. 

Marcus has broad experience in the assessment and management of respiratory and sleep disorders and has published articles on shift work disorder, fatal familial insomnia, COPD and chronic cough. 

Marcus is passionate about medical education, having established DeltaMed, a medical education company, over 20 years ago. He holds a Masters degree in Medical Education and previously served on numerous committees for both the Royal Australasian College of Physicians and the Australasian Sleep Association. 

Marcus is an independent reporting physician at Home Sleep and does not provide consulting services at our South Yarra or Cheltenham locations. He is available for consultation at Epworth Hospital in Richmond.

Dr Joseph Janjis is a consultant Physician in Respiratory and Sleep Medicine with qualifications of MB BS and FRACP. He graduated from the University of Melbourne in 1989 and the majority of his postgraduate training was undertaken at Westmead Hospital where he completed his advanced training in Respiratory and Sleep Medicine in 1999.

He has over twenty-five years of experience in managing patients with respiratory and sleep disorders . In addition to his association with Home Sleep Studies Australia, he is employed as a Senior staff Specialist in Respiratory and Sleep Medicine at Westmead Hospital Westmead Sydney, has a private Respiratory and Sleep Practice in Rooty Hill Sydney and is associated with the Meredith Respiratory and Sleep Centre Bankstown.

Dr Janjis is a Fellow of The Royal Australian College of Physicians, a Member of the Thoracic Society of Australia and New Zealand, a Member of The American Thoracic Society and a Fellow of the American College of Chest Physicians.

Janjis is an independent reporting physician at Home Sleep and does not provide consulting services at our South Yarra or Cheltenham locations. He is available for consultation at his rooms in Rooty Hill, NSW.