OUR SPECIALISTs

Doctor greeting patient before starting treatment

Specialists

Gastroenterologist

Dr Ivan Valiozis

MBBS, FRACP

Speciality: Gastroenterologist
Phone: (02) 4226 5499
Fax: (02) 4226 5484
Email: enquiries@rosemont.com.au
Languages Spoken: English, Greek

Dr Ivan Valiozis completed his medical degree from the University of New South Wales in 1990. He has been working in the Wollongong area for many years and has been with Rosemont Endoscopy since 2000.

Dr Valiozis offers both consulting and performs procedures at Rosemont Endoscopy Centre. Dr Valiozis also works as a staff specialist at Wollongong Hospital, and has the ability to take patients with more complex medical histories to have their procedures done there.

Dr Valiozis is an active member of a multidisciplinary cancer care team that coordinates care for people with gastrointestinal cancer, and in addition to speaking English, he also speaks Greek.

Dr Valiozis’s special interests:

• Inflammatory Bowel Disease
• Hepatology
• Colon cancer screening and prevention
• Coeliac disease diagnosis
• Colonoscopy and polypectomy

Dr Ivan Valiozis picture
Dr Stephen J Williams

MBBS, MD, FRACP

Speciality: Gastroenterologist
Phone: (02) 4226 5499
Fax: (02) 4226 5484
Email: enquiries@rosemont.com.au

Dr Stephen Williams is currently a Senior Visiting Medical Officer (VMO) in Gastroenterology and Hepatology at Westmead Hospital. Dr Williams is also an honorary therapeutic endoscopy consultant at Westmead’s Children’s Hospital and a VMO at Southern Highlands Private Hospital and Rosemont Endoscopy Centre. Prior to these positions, Dr Williams was Head of Department and Director of Endoscopy at Westmead Hospital as well as Chairman of the Australian Gastrointestinal Endoscopy Association (AGEA).

Dr Williams covers all aspects of Gastroenterology and Therapeutic endoscopy with a particular interest in the endoscopic management of large colonic polyps as well as biliary and pancreatic disease, with the role of endoscopy in the diagnosis and therapy of these conditions. With a long-term commitment to the training of Gastroenterology at both the undergraduate and postgraduate level, Dr William trains registrars and fellows in the art and science of endoscopy.

He is also committed to training fellow gastroenterologists at the tertiary level having convened and participated in multiple endoscopy workshops, both nationally and internationally. Dr Williams research interests have resulted in a Doctorate in Medicine (MD) at Sydney University and over 110 publications in peer-reviewed journals as well as multiple presentations at national and international conferences. Dr Williams is part of Rosemont’s Gastroenterology Open Access Program.

Dr William’s Special Interests:

• Colorectal cancer screening and prevention
• Colonoscopy and polypectomy
• Advanced therapeutic endoscopy

Dr Stephen Williams profile pic
Dr Kendall Williams

MBBS(UNSW), FRACP, BSc(Med), MPH(USyd)

Speciality: Gastroenterologist
Phone: (02) 4226 5499
Fax: (02) 4226 5484
Email: enquiries@rosemont.com.au

Dr Kendall Williams completed her medical degree at the University of New South Wales in 2007 and a Masters of Public Health at the University of Sydney in 2015. Kendall has worked in Wollongong, Sydney and at the Gold Coast and joined the team at Rosemont Endoscopy Centre in 2017.

Kendall offers both consulting and procedural services in Wollongong, with special interests in:
• Hepatology
• General Gastroenterology
• Bowel Cancer Screening
• Irritable Bowel Syndrome (IBS)

kendall2
Dr Mayenaaz Sidhu

MBBS, FRACP, PhD

Speciality: Gastroenterologist
Phone: (02) 4226 5499
Fax: (02) 4226 5484
Email: enquiries@rosemont.com.au

Dr Sidhu graduated from Bond University in 2010. He undertook his physician training at Westmead Hospital in Sydney. He completed his advanced training in Gastroenterology and Hepatology at Westmead and Blacktown Hospital. After finishing his training in advanced therapeutic endoscopy, including ERCP, Dr Sidhu completed a PhD in Medicine in 2022, focusing on innovative endoscopy techniques for treating early GI tract malignancies.

Dr Sidhu joined Rosemont Endoscopy in 2019, and is available for both consultation, and procedural services. He also performs capsule endoscopy.

Dr Sidhu’s special interests:

• Colon Cancer Screening (FOBT) and prevention
• Colonoscopy and Polypectomy
• Advanced Therapeutic Endoscopy (Endoscopic Mucosal Resection, Endoscopic Submucosal Dissection, ERCP)

Dr Mayenaaz Sidhu profile picture
Dr Nikola Mitrev

FRACP, BSc(Med)/MBBS (USyd), MPH (USyd)

Speciality: Gastroenterologist
Phone: (02) 4226 5499
Fax: (02) 4226 5484
Email: enquiries@rosemont.com.au

Dr Nikola Mitrev obtained a Bachelor of Medical Science (2005 – 2007) followed by a Bachelor of Medicine/ Bachelor of Surgery (2008 – 2011) at the University of Sydney.
During his studies, he was awarded several prizes and scholarships including the Science Achievement Prize and the University of Sydney Academic Merit Prize. Dr Mitrev completed internship, residency and basic physician training at the St George-Sutherland hospital network.

He attained his Gastroenterology and Hepatology specialist qualifications the end of 2018, having trained at Concord Hospital, Gosford/ Wyong hospitals and the Royal Prince Alfred Hospital. In 2019 he further completed a gastroenterology fellowship year in Blacktown hospital.

In parallel to his gastroenterology advanced training, Dr Mitrev attained a Master’s degree from the University of Sydney for his work in the field of therapeutic drug monitoring-guided biologic drug therapy in Inflammatory Bowel Disease.

He continues to be active in research and medical education, and is one of the founding members of the IBD School. He currently consults privately and performs gastroscopies and colonoscopies at Norwest Private Hospital, Lakeview Private Hospital and Rosemont Endoscopy Centre. In addition, he is a locum gastroenterologist at Wollongong Hospital.

Dr Mitrev’s Special Interests:

• Inflammatory Bowel Disease
• Colorectal cancer screening and prevention

Dr Nikola Mitrev profile pic
Dr Peter Cusick (Retired Founder)

MSS, FRACP

Speciality: Gastroenterologist
Phone: (02) 4226 5499
Fax: (02) 4226 5484
Email: enquiries@rosemont.com.au

Dr Peter Cusick is the Founder of Rosemont Endoscopy Centre and is widely recognised in the Wollongong region for his Gastroenterology specialty. Dr Cusick offered his experienced services as a Gastroenterologist at our facility for more than 20 years. In 2017 he sold the business to Montserrat Day Hospitals, one of Australia’s fastest growing networks of day hospitals. We greatly thank Dr Cusick for his significant contribution to Rosemont Endoscopy and the high standard in patient care he has provided throughout his practicing career.