The Department of Health is changing how it funds disability advocates and several well-respected organisations have not had their funding renewed.
They say it will leave vulnerable people with disability to manage crises alone.
It comes at a time of unprecedented demand for advocacy services as the government winds back NDIS spending.
As people with disability adjust to the biggest-ever cuts to the National Disability Insurance Scheme (NDIS), longstanding advocacy organisations supporting them through the change are now facing their own funding reductions.
The end of this month will see the decades-old government program that funds disability advocacy organisations replaced with a new one.
Several longstanding organisations across multiple states have been told by the Department of Health they will not be part of the new funding process.
One of those organisations, Villamanta Disability Rights Legal Service in regional Victoria, said it was now losing 30 per cent of its total funding, with the "immediate and significant" impact to result in job losses and a dramatic reduction in the support available to people with disability.
CEO Annie Nash said it meant Villamanta could no longer accept new clients at a time of unprecedented demand made worse in recent months by widespread cuts to the NDIS.
"This is a win for every dodgy provider unlawfully evicting an NDIS participant from their…