About Peninsula Respiratory Group

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Peninsula Respiratory Group is a referral based medical group practice that specialises in the diagnosis and treatment of respiratory and sleep disorders.

The Group started on the Northern Beaches in 1988 in Dee Why. It includes specialist physicians with hospital appointments in both the public and private sector, and the Peninsula Pulmonary Function Laboratory.

The Group moved to Frenchs Forest in 2005 and in 2009 moved into its current location. This premises was purpose built and is a State of the Art Facility, enjoying up to date technology and equipment.

The Peninsula Pulmonary Function Laboratory is accredited with the Thoracic Society of Australia and New Zealand (TSANZ) and has been in operation for over 20 years. The Laboratory staff are fully trained respiratory scientists. Find out more on our Pulmonary Function Laboratory page.

Our Doctors

Clinical Professor Keith Burgess


Professor Burgess completed his medical training at the University of Sydney and then Specialist Training in Respiratory Medicine at Concord and St Vincent’s Hospitals.

Subsequently he undertook Research Training at the University of Calgary in Canada between 1981 – 1983, and was awarded an MSc in physiology. He was then appointed to the Faculty as an Assistant Professor of Medicine in the division of Pulmonary and Critical Care Medicine, and a Consultant Physician to the Foothills Provincial General Hospital (1983 – 1985).

Upon returning to Sydney in early 1986 he was appointed as Staff Intensivist at Manly Hospital which he held until it's closure in 2018. He is now a staff specialist at the Northern Beaches Hospital and also works out of Arcadia Pittwater Private Hospital at Warriewood which offers rehabilitation and ‘end of life’ programmes.

At Manly he, with Professor Braude and others, developed the Intensive Care service and simultaneously developed and ran the Cardiac Rehabilitation Programme for ten years until 1995. He was Department Head from 1986 to 2002. In 2002 he was awarded a PhD in Medicine, and has subsequently enjoyed international recognition for his research in the area of sleep and the control of breathing at high altitude.

He began a private consulting practice in respiratory and sleep medicine in 1989 on a part time basis, and established the Pulmonary Function Laboratory in 1992, and with Professor Braude started the first Sleep Laboratory on the Northern Beaches in 1993. That has subsequently developed and moved to its current site at Frenchs Forest, where it operates as a fully accredited sleep clinic.

Associate Professor Stanley Braude


Dr Braude completed undergraduate training at the University of Cape Town. Specialist training followed in Respiratory and Intensive Care Medicine at Kings College Hospital, London and at the Royal Brompton Hospital, also in London.

Dr Braude was subsequently a Research Fellow at the Royal Postgraduate Medical School where he investigated pathophysiological aspects of acute lung injury, both clinically and experimentally. This led to numerous peer-reviewed publications and the submission and acceptance of a doctorial thesis.

He moved to Australia over 20 years ago and held a Staff Specialist appointment at Manly Hospital. He is now a Visiting Medical Officer at the Northern Beaches Hospital. Over this time he has been heavily involved in teaching at the University of Sydney’s Medical programme, and holds an Associate Professorial clinical academic title at Sydney University.

Since 1991, he has been in private respiratory practice with the Peninsula Respiratory Group.

Dr Kate Barclay

MB BS, B Med Sci, MPH & Trop Med, FRACP

Dr Barclay completed her university training through UNSW and St Vincent’s Hospital. She then attained fellowship in the Royal Australasian College of Physicians, specialising in Respiratory and Sleep medicine, with her training at Royal North Shore Hospital and Concord Hospital (2009). She has also completed a Masters of Public Health and Tropical Medicine through James Cook University.

She has particular interests in tuberculosis, having spent time as a volunteer medical officer at Rumginae Hospital, Western Province, Papua New Guinea, and was appointed to the Manly Hospital Tuberculosis Service in 2013. She now conducts TB services at Mona Vale Hospital and is a Visiting Medical Officer at the Northern Beaches Hospital. Her other interests include sleep medicine – including work as a visiting medical officer at Peninsula Sleep Clinic, and interstitial lung disease.

Dr Linda Seeto

MB BS (Hons), PhD, FRACP

Dr Seeto achieved her Bachelor degrees with Honours through the University of Qld, St Lucia with associated undergraduate clinical training at the Princess Alexandra, Royal Brisbane, Royal Womens, Royal Childrens and Mater Hospitals in Brisbane.

Fellowship in the Royal Australasian College of Physicians was obtained in 2000 specializing in Respiratory and Sleep Medicine, after advanced training in Concord Repatriation General Hospital with secondment to Nepean Hospital, Penrith.

Her private consulting practice in Respiratory and Sleep Medicine commenced in 2000. From 1998-2005, Dr Seeto was a Clinical Associate, Faculty of Medicine, University of Sydney. At Concord Repatriation General Hospital, she was appointed Honorary Associate Physician (2001-2003). She was appointed VMO at Strathfield Private Hospital, Sydney (from 2002), the Mater Hospital, Sydney (2002-current), and at Gosford Hospital (2004-2007), and as Senior Staff Specialist in the Lung Transplant Unit, St Vincent’s Hospital, Sydney (2012-2013).

Dr Seeto graduated with her Doctorate of Philosophy in 2005 through the University of Sydney. She was a Research Scholar at the ANZAC Institute, Concord, at Sydney University, at the National Heart and Lung Institute, Imperial College School of Medicine, London and the Royal Brompton Hospital, London, UK.

A/Prof Patricia Hullah

BAppSc (Phty), MBBS (hons), Dip Pall Med (clinical), FRACP

A/Prof Patricia Hullah is a Specialist Physician in Respiratory and Sleep Medicine. She completed her undergraduate science degree and medical degree at the University of Sydney and graduated with honours in medicine. Her specialist training was undertaken at Royal North Shore, Concord and Greenwich Hospitals.

She has worked at Concord Hospital as the Medical Superintendent and continues to be a Clinical Lecturer for Sydney University at the Concord Medical School.

A/Prof Patricia Hullah has completed research on diagnostic methods in sleep disordered breathing, pulmonary embolism, symptom management and psychosocial impacts on health.

Current practice covers a wide range of disorders including obstructive sleep apnoea, airways disease (COPD, asthma, bronchiectasis), interstitial lung disease and lung cancer. A/Prof Patricia Hullah has additional advanced skills in symptom management. She is a member of the Thoracic Society of Australia and New Zealand as well as the Australian Sleep Association. She is also a Visiting Medical Officer at the Northern Beaches Hospital.

Dr Betty S. Chen


Dr Betty Chen completed a combined Science/Medicine degree at the University of NSW, graduating with Honours. She has a Masters of Public Health from the University of Sydney, and gained Fellowship of the Royal Australasian College of Physicians in both Respiratory and General Medicine. She worked at Manly Emergency Department prior to completing her Specialist Physician training which was based at Royal North Shore Hospital, St Vincent’s Hospital and St George Hospital in Sydney.

She is a Visiting Medical Officer at Northern Beaches Hospital in Respiratory Medicine and a Visiting Medical Officer at Royal North Shore Hospital in General Medicine.

Dr Chen has interests in many areas of Respiratory Medicine, including asthma, COPD, bronchiectasis, venous thromboembolic disease, interstitial lung disease, pulmonary hypertension and lung cancer.

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