Welcome to NT Medical Specialist

NT Medical Specialist was set up to meet the demand for shortage of Doctors in the Northern Territory and to provide medical care to the people who need it on a timely basis.

Our team of medical practitioners offer private consultations from our modern practice, located with your convenience in mind.


Diseases affecting the gastrointestinal tract or (GI), which includes the organs from mouth to anus, along the alimentary canal.


Oncology is a specialised area of medicine that involves the diagnosis, treatment and study of cancer.

Sleep & Respiratory

There is a wide range of sleep disorders that are known to impact our sleeping and subsequently our health.

About NT Medical

At NT Medical Specialist we have a dedicated team of qualified, experienced practitioners offering the highest levels of personalised care, linked with the Royal Darwin Hospital and the Darwin Private Hospital to ensure we are able to provide the highest levels of patient care.

Our team includes four Gastroenterologists, an Oncologist, two Sleep and Respiratory Physicians, Dermatologist, General Physician, General Surgeon and two Dieticians.


Have a Question?

For your convenience, we have provided an FAQ Centre to help you get a better understanding of our practices at NT Medical Specialist. If we haven’t answered your question, feel free to contact us or submit an enquiry through our website.


Meet Our Team of Medical Specialists

Our practice consists of a team of qualified friendly doctors who are specialists in their unique fields. Our medical team includes four Gastroenterologists, two Oncologists, one Sleep and Respiratory Physician , one General Physician and one Dietitian.

Dr Alvaro Cervera

Dr Alvaro Cervera is a Consultant Neurologist working at Royal Darwin Hospital. He works as a general neurologist with a main interest in stroke. Other interests are migraine and other headaches, epilepsy, movement disorders and multiple sclerosis.

Dr Zina Valaydon

Dr Zina Valaydon is a Consultant Gastroenterologist and Hepatologist. Dr Valaydon maintains a broad range of interests in all areas of gastroenterology and hepatology, including procedural gastroscopy and colonoscopy.



Mr Suraj Rathnayake

Mr Suraj Rathnayake obtained his MBBS in 2004 from university of Peradeniya, Sri Lanka. He completed his General Surgical training in Sri Lanka obtaining his MD surgery in 2011 and Board certification as a Specialist in 2013.He also obtained MRCS in England in 2011 and done a fellowship in minimal access surgery in India.


NT Medical Specialist are linked with the Royal Darwin Hospital, Darwin Private Hospital and the Darwin Day Surgery to ensure we are able to provide the highest levels of patient care.

Contact Us

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