A/Prof Viraj Kariyawasam


Dr Viraj Kariyawasam is a consultant gastroenterologist and hepatologist at Blacktown hospital. Viraj provides medical consultations at GastroHealth centres in Bella Vista and Rouse Hill. He is also a visiting gastroenterologist at Concord Hospital, Macquarie University Hospital, Norwest Private Hospital and Pennant Hills Day Surgery. He performs endoscopic procedures at Pennant Hills Day Surgery, Norwest Private Hospital and at Blacktown Hospital.

After completing his gastroenterology training at Gosford, Westmead and Concord Hospitals, he obtained the fellowship of the Royal Australian College of Physicians (FRACP) in 2011. He then completed an advance therapeutic endoscopy fellowship at Concord Hospital and embarked on a clinical research fellowship in IBD at the world-renowned IBD center at Guy’s and St Thomas’ Hospital in the UK. Viraj is published widely and actively involved in teaching and clinical research. He is a Conjoint Clinical Senior Lecture with University of Western Sydney.

Dr Kariyawasam’s practice encompasses all aspects of gastroenterology and liver disease, with expertise in inflammatory bowel disease (IBD) and advanced therapeutic endoscopy (gastroscopy, colonoscopy, endoscopic mucosal resection, stricture dilatation, insertion of stents and endoscopic ultrasound). He has a special interest in cancer screening with emphasis on prevention and early detection of colorectal, oesophageal and stomach cancer. He offers advanced surveillance techniques for patients with Inflammatory Bowel Disease and has expertise in removal of precancerous lesions from the stomach and large polyps from the colon endoscopically.

Viraj takes pride in providing high quality comprehensive patient care, which is highly personalized and readily accessible. He is a strong advocate of Open Access endoscopy to suitable patients to improve accessibility. He provides this service for privately insured patients at Hospital for Specialist Surgery, Pennant Hills Day Surgery and Norwest Private Hospital. He will work closely with you and your General practitioner to achieve the best possible outcome for your condition.

He is bilingual (English and Singhalese).


Bachelor of Medicine, Bachelor of Surgery, University of Colombo

Fellow of Royal Australasian College of Physicians

Member of the Royal College of Physicians, UK


Blacktown Hospital

Mount Druitt Hospital

Concord Hospital

Macquarie University Hospital

Hospital for Specialist Surgery

Norwest Private Hospital

Pennant Hills Day Surgery

University of Sydney

University of Western Sydney


Blacktown HospitalGraduate diploma of Dietetics, Deakin University, Victoria.

Available at

G11/2-4 Aberdour Ave, Rouse Hill NSW 2155
The Esplanade, Tower A, Suite 307/11-13 Solent Cct, Norwest NSW 2153