Meet the Doctors

Dr John Heinrich

MBBS, FRACGP, FACRRM, Grad Cert Family Medicine, GAICD

Image of Dr John Heinrich
Dr John Heinrich

Dr John Heinrich graduated from the University of Queensland in 1996 with a Bachelor of Medicine and Bachelor of Surgery (MBBS).  He completed his residency in Rockhampton, then moved to Blackall to take up a position as the Medical Officer at Blackall Hospital.  After 2 ½ years in Blackall, Doctor Heinrich was invited to become the Medical Superintendent at Mundubbera Hospital.  He stayed in Mundubbera  and ran the Mundubbera Medical Centre till mid-2006, when he moved to Toowoomba.  After working briefly at the Range Medical Centre, he became a Visiting Medical Officer at St Vincents Hospital Emergency Centre.  Doctor Heinrich is married to Linda, and has four beautiful children.  His outside interests include a small cattle property near Toowoomba, wood-working and rifle shooting.  He enjoys escaping on his motorbike whenever possible.

14Dr Maurice Gunhouse  B App Sci MBBS (Qld) FRACGP

Dr Gunhouse is married with children and loves Toowoomba.

Unlike most doctors, Dr Gunhouse did not enter medicine from high school, instead taking a variety of different jobs before returning to study for a Bachelor of Applied Science, majoring in Chemistry and the an unusual combination of a Psychology minor, at Queensland University of Technology. He went on to complete his MBBS in 2001 at the University of Queensland, and completed his intern year at the PA Hospital. The following year saw him doing terms at the Mater Children’s, QE II, Prince Charles and PA Hospitals to broaden his medical experience. Following an interest in internal medicine, he trained as a medical registrar for 2 years at the QE II, Ipswich, and PA Hospitals – training in Cardiology, Geriatrics, and General Medicine. Dr Gunhouse came to Toowoomba in 2006 to study and work in General Practice and achieved college fellowship in 2008. He describes General Practice as the most rewarding job he has ever had. Doctor Gunhouse has special interests in Family Medicine, Aged Care and Men’s Health. He has visiting rights at St Andrew’s and St Vincent’s Hospitals and works part-time for the St Vincent’s Private Emergency Centre.

Dr Ben Griffin MBBS FRACGP

Dr Ben Griffin graduated from the University of Queensland in 1987 and  moved to Toowoomba in 1988. Dr  Ben Griffin is interested in all aspects of General Practice Health Care with special interest in children, aged care and mental health matters. Dr Griffin has visiting rights to St Andrew’s Hospital, St Vincent’s Hospital and the Hospice.  Dr Griffin is an Accredited Trainer for the General Practice Training Program for Queensland.

Dr David van Gend    MBBS  FRACGP  DipPallMed

Dr David van Gend has been a GP in Toowoomba since 1997, raising three sons with his wife Jane. After twenty years at Toowoomba’s oldest medical centre, Mackenzie House, he and Dr Ben Griffin merged their five-doctor practice with The Doctors on Erin St. Since 2002, Dr van Gend has been a Senior Lecturer in the University of Queensland Rural Clinical School of Medicine and for six years he was the representative for GP Queensland on the Queensland Health Working Group for Palliative Care in Children. His special area of expertise is palliative medicine, the relief of suffering in advanced disease, and he serves on the Toowoomba Hospice Medical Advisory Committee. Dr van Gend sees patients in nursing homes and in their own home when needed, as well as both private hospitals. 


Dr Mary Donohue graduated from the University of Queensland in 1981 and then worked in a number of Queensland Hospitals i.e. Townsville, Brisbane, and Redcliffe for a few years before moving overseas to be in the UK. Dr Donohue completed her GP training in the U.K. Following her years in the U.K. Dr Donohue moved to Malaysia where she worked in General and District Hospitals.  Dr Mary Donohue worked at Mackenzie House Medical Centre since 2008. Dr Mary Donohue is interested in all aspects of General Practice Health Care with a special interest in Dermatology.

Dr John Jasinski MBBS, BScPt

Dr. John Jasinski moved to Australia from Canada in 2009 to pursue his medical training at The University of Queensland. After graduating in 2012 with a Bachelor of Medicine and Bachelor of Surgery (MBBS), he completed his internship and two resident medical officer years at The Royal Brisbane and Women’s Hospital (RBWH) on the physician training pathway before commencing general practice training 2017. His special interests include orthopaedics, sports injuries, spinal health and men’s health.

Prior to starting medicine, Dr. John obtained a Bachelor degrees (BSc) in Biology (1998) and Physical Therapy (2002) from The University of Western Ontario in London, Canada. This led to a successful 10-year career as a physiotherapist working both in the hospital setting with patients with chronic diseases/rehabilitation presentations as well as in private clinics. He is currently completing a post graduate degree investigating ways to decrease anxiety, depression, and burnout in medical students and doctors.

Dr. John is married to his beautiful wife Jennifer, and has two amazing children. As a family they are very excited to be living in Toowoomba.

Dr Haadi Shalabi

Dr Haadi Shalabi

Born and bred in UK, Dr Haadi graduated from the University of Nottingham in 2014. He completed his foundation training at the Queens Medical Centre, King’s Mill Hospital, and Royal Derby Hospital.  Since moving to Australia in 2016 he acquired advanced experience in Gold Coast University Hospital over three years within Emergency Medicine, frequently leading resuscitation emergencies as well as managing critically ill adult and paediatric patients.

Now as a GP registrar, Dr Haadi enjoys treating patients within all aspects of medicine. His special interests include paediatrics, surgery, acute and emergency medicine, chronic illnesses, and global health.  Having always held a passion for global health, he has acquired clinical experience in UK, USA, Germany, Switzerland, Egypt, Ecuador, Mongolia, Turkey, Saudi Arabia, and Thailand. He is a keen academic researcher, having published and presented over 30 papers and presentations internationally, as well as his lecturer role at Griffith University.

In his spare time, he is a competitive swimmer, miniature figure painter and loves cultural history and theology. His claim to fame is having competed at an international level at the fast-paced real-time strategy game Age of Empires!

Dr Oveem Istanis Mb ChB (Cairo)

Dr Oveem Istanis

Dr Oveem finished medical school in Egypt. He then completed his internship at Bundaberg Base Hospital.

He has been working in emergency in Bundaberg, Mackay and the Gold Coast University Hospital prior to starting his career in General Practice in Toowoomba

He is fluent in English, Arabic and French, and interested in all fields of general practice.

Dr Nardine Kilta

Dr Nardine Kilta

Dr Nardine Kilta graduated from Griffith University at the Gold Coast with a Doctor of Medicine. With an interest in practicing in rural areas, she then went on to do her internship at Toowoomba Hospital. She then decided to work at The Northern Hospital in Melbourne and gain some experience in Aged Care as well as Obstetrics and Gynaecology. Dr. Nardine obtained her Certificate in Women’s Health whilst doing her obstetrics and gynaecology rotation. Dr. Nardine has a special interest in Women’s Health, Aged Care, General Medicine and Mental Health. 

Dr Gayeshika Leanage

Dr Gareshika Leanage

I graduated from the University of Western Australia with a Doctor of Medicine (MD) degree in 2017. I trained at the Princess Alexandra Hospital for 3 years completing my internship and 2 resident years across many specialities prior to commencing General Practice. Prior to commencing Medicine, I completed a Master of Neuroscience and worked as a Research Assistant at the University of Queensland where I collaborated with various research groups which led to several publications.

I especially like the variety GP has to offer and have a special interest in children’s and women’s health. However, I have an interest in almost all medical specialities.

Originally from Brisbane, I am excited to move to Toowoomba to commence my GP training.

Dr Bronwyn Bryant

Dr Bryant has a colourful background, having left school at 15yo to become a jockey, completing an apprenticeship, then travelling around Australia working as a sports trainer, a waitress, a hospital orderly and serving in the Australian Defence Force before studying Nursing, then completing a Bachelor of Medicine/ Bachelor of Surgery at James Cook University in Townsville. Dr Bryant trained at Toowoomba Hospital and has worked rurally in Warwick for the last 4 years. Dr Bryant is married and has 2 children and enjoys gardening, photography and family time. Dr Bryant’s medical interests include Women’s and Children’s health, Preventative medicine, geriatrics and all areas of general practice as a whole. Dr Bryant has a post graduate Diploma of Children’s Health from the University of Sydney and a Certificate of Women’s Health.

Dr Nadia Sugiarto

‘Dr. Nadia was born and raised in Indonesia and lived in Singapore and China during her teenage years. She studied Medicine in the University of Edinburgh in Scotland from 2008 – 2014 and did an additional year in Biomedical Sciences specialising in Reproductive Biology during her university studies in 2010-2011. She completed her foundation training in Edinburgh, and was very lucky to be exposed to General Practice as a specialty during that time. Dr Nadia moved to Australia in 2016 and started off her medical training journey here in sunny Townsville where she spent 2.5 years as a Senior House Officer across many specialties ranging from Emergency Medicine to Obstetrics to Haematology. She commenced GP training in Toowoomba in 2019 and has been enjoying taking care of patients in a holistic manner since then. She is interested in all aspects of general practice. In her spare time she is often found on the mat in a pilates or yoga studio somewhere.

Excellence in Family Medical Care. Previously known as West Toowoomba Medical Centre