Our Doctors

Dr David Freiberg
Dr David FreibergMB BS (Hons) FRACP
Dr. Freiberg is a leading specialist and expert in respiratory and sleep medicine, based in South West Sydney for over 25 years. He has worked in private practice, public and private hospitals as a senior Thoracic Physician, lecturing at NSW and Sydney Universities.

Dr. Freiberg is the founder and medical Director of the Meredith Respiratory and Sleep Centres, which is the largest in Southern and Western Sydney.

Leading a large team of highly skilled staff, Dr. Freiberg is renowned for quality, accessible healthcare and world class facilities.

Dr David Freiberg is a trained assessor of Permanent Impairment for Workers Compensation and Motor Vehicle Accident Schemes. He is listed for both on the SIRA website.

Dr Sultana Syeda
Dr Sultana SyedaMB BS FRACP
Dr Syeda is a Respiratory and Sleep Physician in NSW. She is affiliated with ‘Thoracic Society of Australia and New Zealand’, European Respiratory Society and Australasian Sleep Association as a member. Dr Syeda is a conjoint lecturer at UNSW.

Dr Syeda completed her postgraduate training in Sydney’s Royal Prince Alfred Hospital and specialty training in Sydney’s Prince of Wales Hospital.

Dr Syeda is a sleep specialist at Bankstown Lidcombe Hospital and VMO at Prince of Wales Private Hospital.

Dr Syeda manages all kinds of respiratory diseases and sleep disorders.

Dr Joseph Janjis
Dr Joseph JanjisMB BS FRACP
Dr Janjis is a respiratory and sleep specialist for over 15 years.
Dr Janjis is a senior consultant Thoracic physician at Westmead, Blacktown, and Mount Druit Hospitals and a senior lecturer at Sydney University.
Dr Janjis heads the respiratory laboratory and sleep unit at the Meredith Rooty Hill site.