About Our Practice
TopDoctors Medical, Skin and Cosmetics founded and operated by passionate and experienced doctors, is dedicated to ensuring that all individuals have access to high-quality healthcare in our beautiful Bribie Island.
We are committed to providing fully bulk billed services, meaning that our patients can receive the care they need without financial burden. Our mission is to deliver world-class healthcare services, leveraging the latest medical advancements and best practices to ensure that every patient receives the best possible care, regardless of their financial situation.
We are driven by a vision to eliminate barriers to healthcare access stemming from financial constraints. It is our firm belief that no one should be denied essential medical treatment due to their economic circumstances. We strive to create an inclusive and supportive environment where everyone, regardless of their background or financial status, feels welcome and valued.
At our medical centre, we place a strong emphasis on building enduring relationships with our patients, rooted in trust and compassion. We are committed to fostering a caring and empathetic atmosphere where individuals can feel comfortable seeking medical care and support. Our goal is to not only treat illnesses but also to promote overall well-being and health for all members of our community.
Our Doctors
Dr Arash Mohammadi
Qualifications & Credentials
Dr Arash is the Principal General Practitioner at TopDoctors Medical Centre on Bribie Island, where he leads a growing multi-disciplinary team across the TopDoctors Medical Centres. With a background spanning emergency medicine, trauma management, and broad-scope general practice both in Australia and internationally, he brings a calm, methodical approach to every clinical encounter – from complex chronic disease management to hands-on minor procedures.
Dr Arash graduated from medical school in 2015 and comes from a family deeply rooted in medicine. He practises alongside his partner, a cardiology trainee at The Prince Charles Hospital. Dr Arash’s parents are both practising general practitioners in New South Wales – making medicine very much a family affair. Together they are committed to raising the standard of healthcare available to the Bribie Island and Moreton Bay communities. His vision for TopDoctors goes beyond traditional general practice. He has built a centre where patients can access visiting specialists under the same roof as their GP – bringing the kind of care usually reserved for city hospitals to a community that deserves nothing less.
Outside the clinic, Dr Arash is a devoted family man who can usually be found at the barbecue with friends and family, on the soccer pitch, or passionately following Liverpool FC – You’ll Never Walk Alone.
Dr Arash areas of interest
- • Comprehensive skin checks and skin procedures
- • General check-ups and chronic disease management, including iron infusions and venesection
- • Chronic pain management, including consultations and consideration for medical cannabis
-
• Aesthetic medicine, including wrinkle reduction, facial anatomy enhancement, and PDO mono thread treatments (for tightening and lifting facial areas)
Dr Mario Glas
Qualifications & Credentials
Dr Mario Glas is a highly experienced medical professional with decades of expertise gained from his practice in South Africa, Canada, and Australia. Currently serving as a senior supervisor and medical educator for the General Practice training program through the Royal Australian College of General Practitioners (RACGP), Dr. Glas is dedicated to shaping the next generation of healthcare providers. As a specialist family physician, he has a keen focus on skin cancer surgery, emergency medicine, and comprehensive patient care. His diverse background equips him with a holistic understanding of health making him an invaluable asset to the community.
Outside of his medical practice, Dr. Glas enjoys golfing, farming, and watching rugby. He has permanently relocated to Bribie Island with his beloved wife and is excited to contribute to the local community.
Dr Mario areas of interest
- • Comprehensive skin checks and skin procedures
- • Chronic Disease Management
- • Family Medicine
- • Men's Health
- • Women's Health
- • Mental Health
- • Paediatrics
Dr Joseph Grace
Qualifications & Credentials
Dr Joseph Grace is a senior Specialist General Practitioner and Vascular Interventionalist & Phlebologist, with over 35 years of continuous medical practice. He specialises in ultrasound-guided vascular interventions and has extensive expertise in minimally invasive venous procedures.
Dr Grace is also an advanced skin cancer doctor, with significant experience in comprehensive skin checks and procedural dermatology. He is a respected senior medical educator with a strong commitment to clinical teaching, research, and advancing evidence-based practice. His longstanding dedication to minimally invasive techniques in venous medicine is reflected in his ongoing involvement in academic and research activities.
His current and previous roles include:
- Visiting Medical Officer – Ultrasound-Guided Interventions, NSMG Sydney
- Adjunct Senior Lecturer, Faculty of Medicine, UNSW Sydney
- Research Fellow, St Vincent’s Centre for Applied Medical Research, UNSW Sydney
- Former Board Member, Australasian College of Phlebology, Sydney
Dr Grace brings a translational focus to vascular care, bridging evidence-based research, procedural expertise, and academic mentorship.
Dr Ruwandi Dewasinghe
Qualifications & Credentials
Dr. Ruwandi Dewasinghe is a highly qualified and experienced medical professional with a diverse background in various medical specialties. She graduated from medical school in Sri Lanka in 2015 and has since worked in General Medicine, Paediatrics, Obstetrics and Gynaecology, Intensive Care, and General Surgery.
In 2021, Dr. Ruwandi relocated to Australia, where she initially worked in a hospital setting before transitioning to General Practice in January 2024. Throughout her career, she has gained valuable experience in Emergency Medicine, General Medicine, Psychiatry, and Surgery.
Dr Ruwandi areas of interest
- • Women's health
- • Preventive medicine
- • Chronic disease management
- • Antenatal care
- • Children's health
- • Comprehensive care across all age groups and health concerns
Dr Margarette Gador
Qualifications & Credentials
Dr Margarette Gador is a compassionate General Practitioner with over 18 years of medical experience in emergency medicine and general practice.
Before moving to Australia, Dr Gador completed specialist training in Emergency Medicine and became a Fellow of the Philippine College of Emergency Medicine, working as an Emergency Medicine specialist in the Philippines. She later continued her medical career in Australia, working in busy Emergency Departments including Blacktown–Mount Druitt Hospital and The Canterbury Hospital in Sydney, as well as our local Caboolture Hospital.
Her extensive emergency medicine background has provided her with strong clinical skills in managing acute and complex medical conditions. She brings this experience into general practice, where she enjoys providing comprehensive, patient-centred care to individuals and families.
Dr Gador is passionate about preventive healthcare and building long-term relationships with her patients. She values listening carefully to patients’ concerns and supporting them in achieving the best possible health outcomes.
Outside of work, Dr Gador enjoys being part of the local community and supporting patients and families in maintaining long-term health and wellbeing.
Dr Margarette’s areas of interest
- • General Medicine and chronic disease management
- • Trauma care
- • Preventative medicine
- • Minor skin surgeries and procedural medicine
- • Men's health
- • Metabolic disorders
- • Promoting healthy aging and longevity
Dr Dmitrii Chernov
Qualifications & Credentials
Dr. Dmitrii Chernov is a highly experienced medical practitioner with extensive expertise in both general practice and hospital settings.
He graduated from medical school in Russia and subsequently earned his PhD in Histology, Anatomy, and Cell Biology from the First Moscow State Medical University named after I.M. Sechenov. His dissertation focused on the immunohistology of the spleen under the influence of homoheterotypic stressors at various stages of ontogenesis, and he has contributed significantly to the field through numerous publications in both Russian and international journals.
After relocating to Australia, Dr. Chernov gained valuable experience working in public hospitals, including The Prince Charles Hospital, where he completed rotations in general medicine, cardiology, emergency medicine, respiratory medicine, and psychiatry. He further honed his skills at Caboolture Hospital, where he gained expertise in emergency care, general medicine, surgery, and obstetrics and gynaecology.
Dr. Chernov is passionate about his work and places a high value on building strong relationships with his patients. Outside of his medical practice, Dr. Chernov enjoys sports, travel, programming, and photography/videography.
Dr Dmitrii areas of interest
- • Chronic disease management
- • Men’s health
- • Preventive care
- • Nutrition
- • Diabetes and prediabetes management
- • Metabolic disorders
- • Promoting healthy aging and longevity
Dr Rammiya Sivarajasundaram
Qualifications & Credentials
Welcoming Dr Rammiya. Dr Rammiya graduated from medical school in Sri Lanka in 2014 and has since gained broad clinical experience across a wide range of specialties, including general medicine, obstetrics and gynaecology, cardiology, intensive care, and endocrinology.
In 2022, she completed a Master of Science in Human Nutrition at the University of Colombo, further strengthening her holistic approach to patient care.
Dr Rammiya relocated to Australia in 2024, where she has worked in hospital settings across multiple specialties, including emergency medicine, general medicine, geriatrics evaluation and management, cardiology, general surgery, obstetrics and gynaecology, and paediatrics.
Her clinical interests include chronic disease management, preventive health, lifestyle medicine, and nutrition. She also has a strong interest in women’s health, antenatal care, and child health, and is committed to delivering comprehensive, patient-centred care across all age groups.
We are delighted to welcome Dr Rammiya to the TopDoctors team and look forward to the care she will provide to our community.
Dr Umama Khattak
Qualifications & Credentials
Dr Umama is a warm and approachable medical practitioner dedicated to providing thoughtful, patient-centred care. She has gained broad clinical experience across Queensland Health hospital settings, including emergency medicine, general medicine, cardiology, surgery, paediatrics, psychiatry, obstetrics and gynaecology. This diverse experience has shaped her calm and compassionate approach to caring for patients of all ages, from children and families to older adults.
Dr Umama has a special interest in women’s health, including antenatal care, postnatal care, preventive medicine, chronic disease management and aged care. With previous experience in obstetrics and gynaecology, she is passionate about building trusting, long-term relationships with her patients. She places a strong focus on preventive health, early intervention, and continuity of care, supporting patients through every stage of life.
Dr Umama areas of interest
- • Women's Health
- • Antenatal and Postnatal Care
- • Paediatrics / Children's Health
- • Preventative Health
- • Chronic Disease Management
- • Aged Care
- • Family Medicine
Our Staff
Angeli
Registered Nurse
About
Angeli a Filipino-Australian nurse defied her parent’s objections to pursue her passion for nursing. After completing midwifery and working in Singapore, she earned a nursing degree at QUT, Australia. Known as ‘Nurse Angel’, she is committed to enhancing dietary habits and dedicated to superior community nursing services. Active in Queensland’s Filipino community, she advocates education and job, earning several service recognitions, guided by the motto “Do the best and let God do the rest.
Nita
Advanced Practice Nurse
About
Juanita, an advanced trained cardiac nurse originates from The Prince Charles Hospital with a background in complex care co-ordination, day surgery and aged care. Juanita’s professional attributes combined with high acuity skills contribute to her passion and holistic dedication to the nursing profession. Juanita’s greatest passion is her family, and she prioritises a work life balance to juggle both harmoniously.
Chen
Registered Nurse
About
Chen, a Filipino-Australian Registered Nurse, graduated with a Bachelor of Nursing Science degree from the University of Sunshine Coast (USC). She worked at Caboolture Hospital, specialising in Cardiology Nursing, and is employed at TopDoctors. Chen’s professional attributes include compassion, eagerness, caring, and self-motivated, complemented by a passion for learning. This enables her to deliver high-quality patient care, supported by her expertise and commitment to providing safe and excellent nursing care. Chen’s nursing philosophy is centred on the idea that “A POSITIVE ATTITUDE COMBINED WITH INITIATIVE, CREATES AN EXCELLENT WORK ETHIC”. Chen has resided in the Bribie Island area for 17 years. As a family-oriented individual, she enjoys camping and travelling overseas with her family during her leisure time. Chen’s nursing career is guided by the principle, “THEY MAY FORGET YOUR NAME, BUT THEY WILL NEVER FORGET HOW YOU MADE THEM FEEL”.
Jess
Practice Nurse
About
Jess is a dedicated Enrolled Nurse currently completing her Registered Nurse degree. She has a passion for delivering patient-centred care. She is proud to support the Bribie Island community and believe every interaction leaves a lasting impact. She carries the experiences and lessons shared by those she cares for into the care she provide every day. Outside of work she enjoys spending time with my family, making new recipes, and being outdoors.
Rica
Registered Nurse
About
Rica is a Registered Nurse who graduated in the Philippines, with professional experience in both Medical-Surgical and Emergency Department. She is a passionate and motivated nurse dedicated to providing quality patient care and continuous personal and professional growth. She enjoys learning new skills, connecting with people from diverse backgrounds, and contributing to meaningful work environments. Known for her dedication and adaptability. Rica consistently strives to improve her expertise and make a positive impact in her field. Her goal is to further develop her clinical knowledge and contribute to healthcare through compassion, professionalism, creativity, and collaborative teamwork.
Caitlyn
Practice Manager
About
Caitlyn has been working in the health sector since 2016 and loves the opportunities working in medical administration provides to meet new people. Caitlyn is very family orientated and enjoys spending time in nature; camping, fishing, and exploring with her kids.
Tanya
Senior Administrator
About
Tanya has been working in the health sector since 2020 and loves the opportunities working in medical reception provides to meet new people. Tanya is very family orientated and enjoys going on holidays with her family.
Jenna
Senior Administrator
About
Jenna has been working in the health sector since 2009, 14 of those years on Bribie Island and loves the opportunity to be a friendly calming face greeting you at reception.
Jenna is very family orientated and enjoys camping and holidays to Bali.
Kimberly
Senior Administrator
About
Kimberly has been working in the healthcare sector since 2021 and has a passion for helping others. In her downtime you will find her with her family exploring the outdoors.
Sophie
Administration
About
Driven by a passion for helping others, Sophie is dedicated to making a difference as part of the medical team. When she’s not on duty, you’ll find her exploring nature with her family, camping, four-wheel driving, and casting a line. Adventure and compassion define her journey
Jade
Administration
About
Driven by a passion for helping others, Jade is dedicated to making a difference as part of the medical team. When she’s not on duty, you’ll find her spending time with her family and friends.
Ellie
Administration
About
Ellie is our youngest medical receptionist, and she has a passion for helping people. She enjoys communication and getting to know others. Next year, she will be pursuing a Bachelor of Business. Recently, she relocated from Adelaide to Brisbane, and more recently, to Bribie Island.
Debbie
Administration
About
Debbie has been working in the health sector since 1990 with a strong passion for helping people. In her spare time, she loves camping, fishing, and exploring with her husband.
Alan
Administration Support
About
Alan has been working in the healthcare sector since 2021 and has a passion for helping others. In his spare time Alan enjoys spending time with his family and friends.