All bookings and enquiries - please call 02 9899 6828

Open access endoscopy referral form for GPs


Dr Dev Samarasinghe

Phone: 02 9899 6800

Fax: 02 9899 6830


Dr Stephen Oh

Phone: 02 9899 6828

Fax: 02 9899 6830


Office Hours

Mon to Fri 09:00 – 17:00

If you call us out of office hours, please leave your details for us to call you back. Please note that our office hours may change due to the doctor’s schedule, if so please leave a voicemail or email us and we will contact you as soon as possible.

Consultation Rooms

Norwest (Dr Samarasinghe, Dr Oh)

Hills Medical Specialists
Atlas Norwest
Suite 508 Level 5/2-8 Brookhollow Ave
Baulkham Hills NSW 2153

Penrith (Dr Oh)

Nepean Medical Specialists
102 Derby Street
Penrith NSW 2750