Our Specialists
OUR SPECIALISTS
PSYCHIATRISTS
CHILD AND YOUTH PSYCHIATRIST
RHEUMATOLOGIST
ENDOCRINOLOGIST
GENERAL PHYSICIAN AND NEPHROLOGIST
PSYCHOLOGIST
PSYCHIATRISTS
Dr Ashwani Garg
CONSULTANT PSYCHIATRIST
B.Sc., MBBS, MD, FRANZCP
Dr Ashwani Garg is a Consultant Psychiatrist with more than 15 years of experience in working with clients with mental health issues. He specialises in psychotherapy, Autism, ADHD, Advanced Nutritional Therapy and anxiety and mood disorders.
Dr Garg is a Fellow of Royal Australian and New Zealand College of Psychiatrists since 2010. He is registered with Australian Health Practitioners Authority. He is also a member of Australasian College of Nutritional and Environmental Medicine.
His current other affiliations are as follows:
1. Consultant Psychiatrist, Mood Academic Unit, Metro South Addiction and Mental Health Services.
2. Independent Medical Examiner, Red Health, Medico Legal Reporting Services of Australia and E Reports.
3. Senior Lecturer Griffith University, Gold Coast Campus.
4. Accredited Examiner of Royal Australian and NewZealand College of Psychiatrists
Dr Garg is trained in Cognitive Behavioural Therapy and Advanced Nutritional Therapy recommended by Walsh Research Institute (www.walshinstitute.org) and Mensah Medical (www.mensahmedical.com). Advanced Nutritional Therapy is mainly used to correct biochemical imbalances such as Zinc deficiency, High free copper, Under or Over Methylation and high Pyrroles if present.
· Adults with Autism, Asperger’s and ADHD
· Mood and Anxiety disorders
· Psychotherapy- Rational Emotive Behavioral therapy and psychodynamic psychotherapy
· Treatment of treatment resistant psychiatric disorders with advanced nutrient therapy (www.walshinstitue.org)
· Medicolegal reports
Dr Mangala Wickramasinghe
CONSULTANT PSYCHIATRIST
MBBS, FRANZCP
Dr Wickramasinghe is a Consultant Psychiatrist with an interest in General Adult Psychiatry, Depression, Anxiety, Mood Disorders, Psychosis and ADHD.
He has worked in a range of settings from acute, high-risk inpatient wards through to community environments.
Dr Wickramasinghe speaks fluent Sinhalese and English. He offers consultations in both languages allowing him to communicate effectively with diverse patient populations. He ensuring that his patients feel understood and involved in their treatment plans.
Dr Ian Colls
CONSULTANT PSYCHIATRIST
MBBS, FRANZCP
Dr Ian Colls is a Consultant Psychiatrist with more than 40 years of experience working with patients experiencing a wide variety of mental health issues. Dr Colls has been a Fellow of Royal Australian and New Zealand College of Psychiatrists since 1995. He has a special interest in depression, anxiety and mood disorders.
Dr Timothy Dudgeon
CONSULTANT PSYCHIATRIST
MBBS, FRANZCP
Dr Tim Dudgeon trained in Queensland and has worked as a general Psychiatrist in Private Practice for seven years.
Dr Amitava Sarkar
CONSULTANT PSYCHIATRIST
MBBS, FRANZCP
Dr Amitava Sarkar is a psychiatrist with expertise in mood and anxiety disorders, personality disorders, work-related mental health concerns, WorkCover, and DVA mental health care. He consults privately at Bremer Specialist Centre on a part-time basis.
Dr Sujee Hewamadduma
MBBS, MD(Psychiatry), FRANZCP
CONSULTANT PSYCHIATRIST
Dr. Sujee Hewamadduma is a psychiatrist trained in both Sri Lanka and Australia. He completed his MD in Psychiatry in Sri Lanka and developed expertise in managing complex mental health presentations across diverse clinical settings.
He continued psychiatry training in Queensland, Australia, gaining experience across metropolitan and rural services and becoming a Fellow of the Royal Australian College of Psychiatrists. This has shaped his adaptable, culturally attuned, patient-centred care.
He currently practises as an adult psychiatrist, providing compassionate, evidence-based treatment that supports meaningful recovery and wellbeing.
CHILD AND YOUTH PSYCHIATRIST
Dr Lincoln Pauliah
CONSULTANT PSYCHIATRIST
MBBS, DPM, Cert CAP, FRANZCP
Lincoln has been practising Child & Youth Psychiatry since 2003 in Australia. His medical qualification are MBBS, DPM . His Certificate of Advance Training in Child & Adolescent Psychiatry from University of Melbourne & Monash University & RANZCP Psychiatry Fellowship. Lincoln had since worked in three states (Victoria, Western Australia & Queensland). He had worked in Public service and part time doing private work in Toowoomba & Ipswich since 2014.
Lincoln consults for the age group of 6-21.
Lincoln has a special interest in ADHD, Anxiety Disorders & Autism Spectrum Disorders. He provides comprehensive assessment, diagnostic work up & management plan in the above areas. The management plan is individualised, patient & family centred approach incorporating evidence -based practice in Pharmacological therapies.
Member World Federation of ADHD.
Member Youth Mental Health SIG RANZCP.
Member Royal Australian & New Zealand College of Psychiatrists.
RHEUMATOLOGIST
Dr Joeseph O’Callaghan
RHEUMATOLOGIST
MBBS, MD, QLD FRACP
Dr Joseph O’Callaghan is a consultant in adult general rheumatology. He is a visiting Rheumatologist at the Mater Adult Hospital. He undertook his rheumatology training in Brisbane, Adelaide and Sydney and in Edmonton, Canada. He completed an MD on the anti-inflammatory effects of methotrexate while a Spurway Fellow in Rheumatology at the Royal North Shore Hospital. Dr O’Callaghan has an interest in all aspects of rheumatology care.
ENDOCRINOLOGIST
Dr Kanaka Jeyaraman
ENDOCRINOLOGIST & DIABETICIAN
MBBS, MD, DM, DNB, FRACP
Dr Kanaka Jeyaraman is a senior endocrinologist with many years of experience in the field of Endocrinology who provides evidence-based and patient-centric care for a wide range of endocrine conditions.Clinical interests: general endocrine conditions, complex diabetes care, thyroid diseases, PCOS, weight management, osteoporosis, menopausal hormone therapy.
She holds a fellowship from the Royal Australian College of Physicians (FRACP) in endocrinology, has a wealth of clinical experience in both public and private settings in Australia and India, and holds a staff specialist position with Metro South Hospital and Health Service.
She fosters a welcoming and compassionate environment where patients feel heard, understood and supported, ensuring each individual receives tailored treatment plans to suit their unique needs and concerns.
As a clinical researcher, she believes in research that translates into improved patient outcomes. She is also actively involved in international and national endocrine societies and committees, has several publications, textbook chapters and academic appointments to her credit, and is currently pursuing a master’s degree in diagnostic genomics.
Dr Kanaka Jeyaraman is accepting new patients, and happy to consult with clinicians and peers around patient care and advice.
GENERAL PHYSICIAN AND NEPHROLOGIST
Dr Madhi Sundaram
NEPHROLOGIST, GENERAL PHYSICIAN
MD DM DNB FRACP
Dr Madhi Sundaram is a highly experienced specialist in Nephrology and General & Acute Care Medicine. With over 20 years of clinical experience, he is dedicated to providing thoughtful, personalised care for patients with a wide range of kidney and medical conditions.
Dr Sundaram completed his medical education in India, graduating with an MBBS in 1998. He went on to complete specialist training in general medicine and nephrology in 2007. He moved to Australia in 2011, where he commenced work at Royal Darwin Hospital and subsequently obtained Fellowship of the Royal Australasian College of Physicians in both Nephrology and General Medicine.
Experience and Expertise
Dr Sundaram currently works at Royal Brisbane and Women’s Hospital and has previously worked in leading teaching hospitals, including Christian Medical College and Royal Darwin Hospital.
He has extensive experience managing:
- Chronic kidney disease (CKD)
- Acute kidney problems
- Glomerulonephritis and immune-related kidney conditions
- Kidney transplantation
- Genetic kidney disorders
Dr Sundaram has a special interest in renal genetics and has completed a Master’s degree in Diagnostic Genomics, enabling him to incorporate advanced, modern approaches into kidney care.
Research and Teaching
In addition to his clinical work, Dr Sundaram is actively involved in teaching and research. He supervises medical students and junior doctors and serves as a clinical examiner for physician trainees through the Royal Australasian College of Physicians.
He is currently undertaking a PhD at Queensland University of Technology, focusing on genetic factors in complex diseases.
Patient Care Approach
Dr Sundaram is committed to compassionate, patient-centred care. He takes time to explain conditions clearly, involves patients in decision-making, and tailors treatment plans to individual needs.
He understands that kidney conditions can be complex and sometimes overwhelming, and strives to make care as clear, supportive, and reassuring as possible.
Appointments
Dr Sundaram offers private consultations in Springfield. He aims to keep waiting times short and prioritises urgent cases to ensure patients are seen promptly—typically within two weeks.
Qualifications:
MBBS (1998)
FRACP Nephrology (2012)
FRACP General and Acute Care Medicine (2017)
Graduate diploma in biostatistics (2019)
Masters in diagnostic Genomics (2020)
PSYCHOLOGIST
Michelle Galati
PSYCHOLOGIST
BPsych (Hons)
Michelle is passionate about working with individuals to improve the quality of their lives. She approaches therapy in a collaborative manner to address important issues that allow clients to reach their full potential and to create a rich, full, and meaningful life.
Michelle endeavours to create a safe, professional, warm and comfortable atmosphere and strives to approach each individual in a non-judgmental and open-minded way in talking about any life situations people may be going through.
Michelle is ethical and competent in her work practices using various therapies to assist with a multitude of life issues.
Having completed her initial studies at Griffith University, Michelle is now nearing the end of her Master of Science in Medicine (Sexual and Reproductive Health) specialising in Psychosexual Therapy at the University of Sydney. With 15 years of knowledge and experience working in private psychiatric hospital settings and private practice, Michelle is now in private practice full time, and consults on a variety of presentations of adults (18+) within trauma informed care.
Michelle would like to offer support to any patients you think may benefit from working in collaboration with a psychologist or a Psychosexual Therapist. See Quick reference Box on the left for a full list of psychological issues supported. Michelle has worked with varied presentations and a variety of training in facilitating groups and individual sessions in psychotherapy styles such as; CBT DBT ACT Schema Therapy EMDR & Mindfulness therapies.
Please let Michelle know if she can help your patient by working towards more stabilised ongoing mental health and a better quality of life. Whether your patients are going through an immediate stressful circumstance, or they have ongoing mental health issues, Michelle is available to help.
Michelle is currently taking new patients and has session available with no waitlist.