Welcome to Darwin Respiratory & Sleep Clinic. Our aim is to provide quality service to diagnose and manage patients with various respiratory and sleep disorders in a caring and safe environment.

Our service motto is to provide high quality care by employing staff qualified and trained in respiratory & sleep medicine.

Our staff comprises of a multicultural team of physicians, sleep technologists and respiratory therapists qualified and trained in providing highly specialised care tailored for every individual person.

We also have state of the art latest/modern testing equipment to diagnose and manage various respiratory and sleep disorders in both adults and children.

This service also provides advice and consultations to various industries based in the NT. We also thrive to promote opportunities for education, research and training for local graduates, especially for science graduates from Charles Darwin University by facilitating a placement programme. Northern Territory medical students and trainee medical officers from Royal Darwin Hospital (RDH) and various allied health personnel also gain educational opportunities through this service.

The organisation also has several medical practitioners/medical professionals who work along and support the programme, such as ENT, cardiologist, bariatric surgeon, thoracic surgeons, sleep paediatric / adult physicians, dietitian and sleep psychologists.

Dr. Subash Heraganahally MBBS, MD, FRACP

Our Director, Dr. Subash Heraganahally is a respiratory & sleep medicine specialist, who provides his service through Darwin Private Hospital consulting suites. He is also affiliated with the Darwin Private Hospital and Royal Darwin Hospital. Subash completed basic and advanced training in Respiratory & Sleep Medicine in Australia, and is accredited by the Royal Australian College of Physicians to practice respiratory & sleep medicine in Australia.

Subash also teaches medical graduates at the NT Medical School, Charles Darwin University/Royal Darwin Hospital and has been awarded Lecturer status by the Faculty of Health Sciences at Flinders University in Adelaide. He completed his medical degree overseas (MBBS, MD) and worked for several years as a clinician and senior lecturer at one of the largest teaching tertiary care Christian Mission Hospitals in India (Christian Medical College, Vellore). He has not only gained vast experience in managing patients with simple and complex general medical and respiratory & sleep disorders in Australia and overseas, but also developed a passion during his work in Christian Mission Hospital for helping people who are socially and economically disadvantaged.

His interests, aside from general sleep and respiratory medicine, include interstitial lung disease, pleural disease, asthma and emphysema. He is committed to providing high quality service with honesty, passion, dedication and integrity, and has extensive medical research experience.

Subash is a member of the following professional organisations:

  • Asian Pacific Society of Respirology (APSR)
  • Australian Lung Foundation
  • Australian Respiratory & Sleep Medicine Institute
  • Australian Sleep Association
  • European respiratory society
  • The American College of Chest Physicians
  • The Indian Chest Society
  • The Indian Society of Critical Care Medicine
  • Thoracic Society of Australia and New Zealand (TSANZ)

Paediatric sleep specialists

Darwin Sleep Clinic works closely with 3 paediatric sleep specialists in Sydney, NSW. Although consultations are done via skype, your child’s sleep study will still be conducted as an inpatient at Darwin Private Hospital. Sleep studies are completely analysed and reported on remotely by our skilled paediatric team.

  • Dr Natalie Gentin (FRACP, DCH, MBBCh) – Paediatric Respiratory and Sleep Physician
  • Dr John Widger (FRACP, MD) – Paediatric Respiratory and Sleep Physician
  • Dr Catherine Jonas (FRACP) – Paediatric Sleep Physician

Visiting Respiratory and sleep specialist

  • Dr Edwina Biancardi (FRACP) – Respiratory and sleep

Our Diametric Services

Our service also works in close collaboration with several health professionals such as ENT specialist, Cardiologist, Bariatric and Thoracic surgeons, Paediatric specialist, Dietician and Psychologist.

Administration Staff

Elisha Gamorot

Receptionist and Administration coordinator.

Technical Staff

Ara Perez

Ara Joy Perez

Sleep technologist (RPSGT, RMT)
Bachelor of Science in Respiratory Therapy

Jessie Crespo

Jessie Crespo

Sleep technologist (RPSGT, R.N)

Bea Atos

Charmain Beatriz Ayson Atos

Sleep technologist (RPSGT) and Respiratory therapist
Bachelor of Science in Respiratory Therapy

Bianca Al-Dossary

Bianca Al-Dossary

Sleep technologist

Mark Ramirez

Mark Lawrence V. Ramirez

Sleep technologist
Bachelor of Science in Nursing, RPSGT

Our Respiratory Technologists

  • Charmain Beatriz Ayson Atos
  • Ara Joy Perez


If you are seeking a career opportunity with us, please feel free to go to the Contact us page and make an enquiry.