A referral from your GP is usually not required, but would be very useful to have more information about your medical background. If you are unsure, please fill out the online self referral form and we can always contact yourself or your GP for additional information
How quickly can I be seen?
I aim to help you as quickly as possible. For non-urgent matters I see patients within a few weeks. Please let me know if you would like to be seen more urgently, as I usually have emergency clinic slots available or can arrange for you to have an urgent endoscopy. For urgent appointments please use the online referral form on this website.
What are my out of pocket expenses?
I am a Southern Cross preferred provider for endoscopy as well as gastroenterology clinics. If you are with southern cross, we can streamline your claim by submitting this on your behalf and you only have to pay your excess. Other insurance companies may ask you to pay first and then submit your claim with your insurance company.
For clinic the costs is 360 NZD for a new consultation and 135 NZD for a followup, which can be fully reimbursed by your insurance company depending on your level of cover. For more details contact my rooms on 09 920 6746
The costs for endoscopy can also be fully covered depending on your insurance plan. We can provide you with a quote if you fill out the online referral form on this website or contact Waitemata Endoscopy on 09 925 4449
What type of endoscopy do you perform?
As an interventional endoscopist, I am accredited in gastroscopy, colonoscopy, endoscopic ultrasound (EUS), enteroscopy and Endoscopic Retrograde Cholangio-Pancreatography (ERCP). I perform polypectomies, biopsies, endoscopic mucosal resections, fine needle aspirations, banding, injection as well as advanced endoscopic procedures such as spyglass, rendezvous.
What conditions can you treat?
I specialise in all gastrointestinal conditions, including inflammatory bowel, colorectal cancer, gastric cancer, Barrett's oesophagus, liver disease and pancreatic conditions
What sort of treatments do you offer?
My first aim is always to find the underlying cause, this way we can cure your symptoms rather than masking them. My approach is always to start with simple treatments including dietary, natural and medical treatments. Most conditions have separate treatments for getting the disease under control (remission) and preventing it from coming back (maintenance).
Treatments in New Zealand are more limited that some other countries and I have assisted patients with the legal importation of new drugs.
Are you active in medical research?
My current PhD research through the University of Auckland is on the improvement of bowel cancer detection by analysis of circulating tumour DNA, the gut microbiome and fecal volatile organic compounds. Using these new techniques I hope to improve early detection allowing patient to get earlier curative treatments improving their quality of life and outcomes. Previously I was a researcher at the University of Western Australia (UWA) as well The University of California, Los Angeles (UCLA)
Dr. Van Rijnsoever is an excellent Gastroenterologist and Highly recommended. He was very helpful and provided me all with all the information I needed as well referrals, the procedure and reports for immigration. I would definitely refer anyone to him. 5 STARS!
My son Liam has been under the care of Marius for most of this year with some complex issues which are now resolved. Marius was extremely knowledgeable and professional in his care throughout this process, while offering a kind and empathetic approach to both myself and Liam . I would thoroughly recommend him to anyone seeking the services of a Gastroenterologist.
Dr Marius was very attentive and responded fully to my description of my state of health (physically and psychologically/emotionally). He was able to provide me with relevant information to assist me in moving forward, and made referrals to ensure that anything needing to be checked could be checked. Matthew Connolly
I suffer from Eosinophilic esophagitis, & Marius has been the most qualified surgeon that I have ever had doing the procedure of GI endoscopy. He is very informative. About the only person I would trust to do a Endoscopy procedure correctly & safely. I very much recommend, hence 5 stars.
