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About us...
MonashHealth Clinical Toxicology Unit and the VAMPIRE Toxicology Network
The Clinical Toxicology / Addiction Medicine Unit based at Dandenong Hospital, Monash Health is one of the two TAPNA accredited Toxicology Units in Victoria.
The unit provides 24 hour in-patient, bed-side and consultation toxicologic treatment and management advice to all Monash Health Campuses
The unit is staffed by consultant clinical toxicologists and addiction medicine specialists and provides opportunity for training in clinical toxicology and addiction medicine for specialty trainees in emergency medicine and other acute care medical specialties.
The Monash Health Clinical Toxicologists, with a number of other Australian Clinical Toxicologists, also provide consultative on-call services to the Victorian and NSW Poisons Information Centres.
Monash Health Toxicology Unit collaborates with the Austin Health Toxicology Service and the Victorian Poisons Information Centre. The Services combine to form the VICTORIAN AUSTIN-MONASH POISONS INFORMATION RESEARCH AND EDUCATION (VAMPIRE) NETWORK.
The Unit is accredited for 6 months full-time special skills training with the Australasian College for Emergency Medicine.
Emergency Medicine Trainees interested in further information on this training position should contact Professor Andis Graudins at Monash Health: [email protected]
MonashHealth Toxicology Team
Professor Andis Graudins
Head of Unit
Director of Monash Health Clinical Toxicology Service and Clinical Toxicology Training
Consultant Clinical Toxicologist Victorian and NSW Poisons Information Centres
Professor of Emergency Medicine and Clinical Toxicology Research at Monash Health
Dr Hwee Min Lee
Clinical Toxicologist, Monash Health Clinical Toxicology Service
Emergency Physician Monash Health, Dandenong Hospital
Consultant Clinical Toxicologist Victorian Poisons Information Centre
Dr Dino Druda
Clinical Toxicologist Monash Health Clinical Toxicology Service
Consultant Clinical Toxicologist Victorian and NSW Poisons Information Centres
Emergency Physician, St Vincent Hospital
Dr Roger Tong
Clinical Toxicologist Monash Health Clinical Toxicology Service
Emergency Physician Monash Health, Dandenong and Casey Hospitals
Consultant Clinical Toxicologist Victorian Poisons Information Centre
Dr Siba Sulaeman
Clinical Toxicologist, Monash Health Clinical Toxicology Service
Emergency Physician Monash Health, Dandenong Hospital
Consultant Clinical Toxicologist Victorian Poisons Information Centre
Dr Emma Nixon
Clinical Toxicologist, Monash Health Clinical Toxicology Service
Emergency Physician Monash Health, Dandenong Hospital
Dr Pioma Wijeyesakere
Toxicology Fellow, Monash Health Clinical Toxicology Service and Victorian Poisons Information Centre
Emergency Physician, Monash Health, Dandenong Hospital
Dr Matthew Brownlow
Toxicology Fellow, Monash Health Clinical Toxicology Service and Victorian Poisons Information Centre
Emergency Physician, Monash Health, Casey Hospital
Dr Ronan Hill
Dr Chloe Cheng
Dr Mikhar Haripersad
Registrars Feb-Aug 2026
Visiting Honorary Clinical Toxicologists
All are consultant toxicologists with the Victorian Poisons Information Centre
A/Prof Shaun Greene (Austin Clinical Toxicology Service)
Dr Zeff Koutsiagiannis (Austin Clinical Toxicology Service)
Prof Anselm Wong (Austin Clinical Toxicology Service)
Dr Yit Leang (Austin Clinical Toxicology Service)
A/Prof Joe Rotella (Northern Health)
Dr Sarah Hodgson (Austin Clinical Toxicology Service)
Dr Rachelle Abouchedid (Bendigo Health)
Dr Sarah Hampton (Austin Clinical Toxicology Service)
Monash Health Addiction Medicine Specialists
Provide clinical addiction medicine in-patient and out-patient consultation across the Monash Health Network
Dr David Jacka
Dr Zarrar Chowdary
Dr Reece Lancaster
Updated 18 May 2026
The unit provides 24 hour in-patient, bed-side and consultation toxicologic treatment and management advice to all Monash Health Campuses
The unit is staffed by consultant clinical toxicologists and addiction medicine specialists and provides opportunity for training in clinical toxicology and addiction medicine for specialty trainees in emergency medicine and other acute care medical specialties.
The Monash Health Clinical Toxicologists, with a number of other Australian Clinical Toxicologists, also provide consultative on-call services to the Victorian and NSW Poisons Information Centres.
Monash Health Toxicology Unit collaborates with the Austin Health Toxicology Service and the Victorian Poisons Information Centre. The Services combine to form the VICTORIAN AUSTIN-MONASH POISONS INFORMATION RESEARCH AND EDUCATION (VAMPIRE) NETWORK.
The Unit is accredited for 6 months full-time special skills training with the Australasian College for Emergency Medicine.
Emergency Medicine Trainees interested in further information on this training position should contact Professor Andis Graudins at Monash Health: [email protected]
MonashHealth Toxicology Team
Professor Andis Graudins
Head of Unit
Director of Monash Health Clinical Toxicology Service and Clinical Toxicology Training
Consultant Clinical Toxicologist Victorian and NSW Poisons Information Centres
Professor of Emergency Medicine and Clinical Toxicology Research at Monash Health
Dr Hwee Min Lee
Clinical Toxicologist, Monash Health Clinical Toxicology Service
Emergency Physician Monash Health, Dandenong Hospital
Consultant Clinical Toxicologist Victorian Poisons Information Centre
Dr Dino Druda
Clinical Toxicologist Monash Health Clinical Toxicology Service
Consultant Clinical Toxicologist Victorian and NSW Poisons Information Centres
Emergency Physician, St Vincent Hospital
Dr Roger Tong
Clinical Toxicologist Monash Health Clinical Toxicology Service
Emergency Physician Monash Health, Dandenong and Casey Hospitals
Consultant Clinical Toxicologist Victorian Poisons Information Centre
Dr Siba Sulaeman
Clinical Toxicologist, Monash Health Clinical Toxicology Service
Emergency Physician Monash Health, Dandenong Hospital
Consultant Clinical Toxicologist Victorian Poisons Information Centre
Dr Emma Nixon
Clinical Toxicologist, Monash Health Clinical Toxicology Service
Emergency Physician Monash Health, Dandenong Hospital
Dr Pioma Wijeyesakere
Toxicology Fellow, Monash Health Clinical Toxicology Service and Victorian Poisons Information Centre
Emergency Physician, Monash Health, Dandenong Hospital
Dr Matthew Brownlow
Toxicology Fellow, Monash Health Clinical Toxicology Service and Victorian Poisons Information Centre
Emergency Physician, Monash Health, Casey Hospital
Dr Ronan Hill
Dr Chloe Cheng
Dr Mikhar Haripersad
Registrars Feb-Aug 2026
Visiting Honorary Clinical Toxicologists
All are consultant toxicologists with the Victorian Poisons Information Centre
A/Prof Shaun Greene (Austin Clinical Toxicology Service)
Dr Zeff Koutsiagiannis (Austin Clinical Toxicology Service)
Prof Anselm Wong (Austin Clinical Toxicology Service)
Dr Yit Leang (Austin Clinical Toxicology Service)
A/Prof Joe Rotella (Northern Health)
Dr Sarah Hodgson (Austin Clinical Toxicology Service)
Dr Rachelle Abouchedid (Bendigo Health)
Dr Sarah Hampton (Austin Clinical Toxicology Service)
Monash Health Addiction Medicine Specialists
Provide clinical addiction medicine in-patient and out-patient consultation across the Monash Health Network
Dr David Jacka
Dr Zarrar Chowdary
Dr Reece Lancaster
Updated 18 May 2026