Sydney Respiratory Specialist Clinic

From the minor and manageable through to the chronic and life-threatening, Sydney Respiratory Specialist Clinic is dedicated in providing you exceptional care.

Founded by Dr. Samantha Herath, a leading figure in adult respiratory care, Sydney Respiratory Specialist Clinic has evolved into a premier destination for comprehensive Respiratory and Sleep services since its establishment in 2018. Located within the Parkway SAN Clinic at Wahroonga, our clinic is dedicated to providing exceptional care for a wide range of respiratory conditions.

Our team of four highly skilled respiratory specialists, all fellowship-trained with the Royal Australian College of Physicians, offer extensive expertise in Respiratory and Sleep Medicine. We specialise in the diagnosis, treatment, and management of conditions such as lung cancer, interventional bronchoscopy including EBUS, sleep disorders including CPAP clinic, asthma, COPD, bronchiectasis, interstitial lung disease, and more.

We provide home sleep studies and consultations with a sleep specialist to evaluate sleep patterns and diagnose sleep disorders accurately.

We offer lung function testing, which involves a series of tests to assess how well your lungs are working. This may include spirometry, lung volumes, tests for asthma and allergies and exercise testing as well as fitness testing for various occupations including the police, fire and mining. These tests help in diagnosing respiratory conditions and monitoring lung function.

Our mission is to provide personalised medicine and excellence in clinical care taking time to get to know you and look after you with compassionate, comprehensive care.

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Dr Samantha Herath expert answers powered by Healthshare

Dr Samantha Herath

Dr Samantha Herath

MBBS (Hons), MPhil, FRACP, PhD

Respiratory and Sleep Physician

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Dr Katarzyna Duszyk

Dr Katherine Duszyk


Respiratory and Sleep Physician

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Dr Jian Tai

Dr Jian Eu Tai


Respiratory and Sleep Physician

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DR K V Singha

DR K V Singh


Respiratory Physician

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Meet Our Team

Patient Conditions 


Sleep Services

Chest Physiotherapy

Lung Function/Allergy Testing

Patient Information

Referrer Information


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 Our Locations and Services


Our  clinic is located at Suite 18, Level 1, Parkway San Clinic, 172, Fox Valley Road, Wahroonga, NSW 2076. We have our consultation rooms, Lung function lab, Sleep lab, Chest physiotherapy and main admin located at the Parkway Clinic.

Lung function lab is open daily from 8 am to 4PM.

 Home sleep studies are available from Monday to Friday.

 Chest Physiotherapy with Ms. Viki Hill (Specialist Cardiopulmonary Chest Physiotherapist) is available on Mondays fortnightly.

Dr Herath performs advance bronchoscopy, EBUS, cryo-biopsy and stent procedures for public and private patients at below locations.

1. Northern Beaches  Hospital (Public and Private)

2.The Sydney Adventist Hospital ( Private Only)

3. Macquarie University Hospital (Private Only)