Dr Tania Ash

Dr Tania Ash

MBBS, FRACGP, DipACNEM, FAAAAM, GAICD

Dr Tania Ash is an Australian medical doctor, author, & speaker with over three decades of clinical experience, working at the intersection of conventional and integrative medicine. She has a special interest in complex chronic conditions, including chronic fatigue syndrome, mast cell activation syndrome (MCAS), the biochemistry of mental illness & ASD, plus connective tissue disorders including the EDS/MCAS/dysautonomia or POTS triad.

Dr Ash’s approach moves beyond symptom-based models and siloed systems, focusing instead on restoring regulation and supporting the body’s innate healing capacity. Her clinical work reflects a deep commitment to understanding the why behind illness, and to helping patients rebuild resilience across multiple systems. Her clinical approach is grounded in Psychoneuroimmunology (PNI) and systems-based medicine, with a focus on understanding the dynamic interplay between the nervous system, immune function, and environmental influences. She is particularly interested in how dysregulation across these systems contributes to chronic illness, and in supporting the body’s innate capacity for repair through restoration of physiological balance.

Dr Ash has held clinical leadership and advisory roles across integrative health organisations, including contributions to education, governance, and regulatory frameworks. She is a graduate of the Australian Institute of Company Directors and is actively engaged in healthcare governance. She currently is the lead functional medical doctor at Merge Health in Melbourne and continues to develop integrative models of care that bridge emerging science with compassionate, patient-centred medicine.

Dr Ash is currently writing her forthcoming book, Reclaim Your Terrain, which explores a systems-based approach to health, regulation, and healing. Her work reflects a broader vision of medicine — one that integrates science, systems thinking, and a deep respect for the intelligence of the human body.