Billing & Compliance
NDIS Billing for Allied Health: The Complete Admin Guide
Everything practice owners need to know about navigating the three NDIS payment pathways, pricing changes, and the growing admin burden in 2025–26.
The NDIS is now a $46.3 billion scheme serving over 739,000 Australians. For allied health practices navigating its billing systems, the administrative complexity has become as significant a challenge as the clinical work itself. After years of explosive growth, the scheme is undergoing its most sweeping reforms since inception, with new legislation, pricing cuts, and tighter compliance reshaping how physiotherapists, occupational therapists, podiatrists, and exercise physiologists deliver and bill for services.
This guide maps the full landscape of NDIS billing for allied health practices as of 2025–26: the numbers, the payment pathways, the admin burden, the pricing rules, the reform agenda, and the question of whether outsourcing can ease the load.
A scheme that grew faster than anyone predicted
Total scheme expenditure has roughly doubled in four years, from $23.3 billion in FY2020–21 to $46.3 billion in FY2024–25. Participant numbers grew from 466,619 to 739,414 over the same period. The trajectory tells a clear story of a scheme that expanded far beyond initial actuarial projections.
Growth rates have slowed — from a peak of roughly 23% annually down to around 11% in FY2024–25 — but remain above the 8% target set by National Cabinet. Projections suggest FY2025–26 spending will reach approximately $50–52 billion.
For allied health specifically, therapy supports account for approximately 12% of total NDIS payments (roughly $5.5 billion annually). The provider market is vast and fragmented — over 269,000 providers now support NDIS participants, though roughly 90% of therapy providers are unregistered, delivering about 38% of therapy payments.
Three payment pathways, three different admin realities
Every NDIS participant’s plan is managed through one of three pathways. The choice determines how an allied health practice gets paid, what rules apply, and how much administrative overhead is involved. Expand each card to see the detail.
66% Plan Managed ~488,000 participants
The most common pathway and the fastest growing, up 46% since early 2022. The provider sends an invoice to a plan manager who validates it against NDIS price limits and claims from the NDIA. Providers do not need NDIS registration. The trade off is less visibility into remaining plan budgets and dependence on the plan manager’s processing speed. Price limits still apply strictly. Invoices must include NDIS line item codes, dates of service, provider ABN, and participant NDIS number.
27% Self Managed ~200,000 participants
Gives participants the most flexibility and providers the least certainty. The participant pays the provider directly. No registration is required, and NDIS price limits do not apply — self managed participants can agree to pay above the cap. This has created a two-tier market. The risk for providers is non payment: unlike the other pathways, there is no institutional payer guaranteeing the invoice will be honoured.
7% NDIA Managed ~52,000 participants
The most administratively constrained. The provider must hold NDIS registration, set up a service booking in the myplace portal, then submit payment requests electronically. Claims typically process in 2–5 business days. The portal can be clunky and service booking configuration is error prone. Only 9,415 providers support agency managed participants, compared to 191,467 for plan managed — a stark illustration of how registration requirements limit participation.
Where billing goes wrong
NDIS billing errors are pervasive across allied health, and the consequences of getting it wrong have intensified. The NDIS Quality and Safeguards Commission delivered 6,841 compliance and enforcement activities in Q3 2025 alone — more than triple the previous quarter.
Using incorrect or outdated line item codes (especially after the July price guide update). From 31 July 2025, generic “Other Professional” line items were discontinued — invoices using old codes are automatically rejected. Claiming above price limits, billing outside plan categories, submitting after plan expiry, and invoicing the wrong payer round out the list.
The non face-to-face billing minefield
Allied health providers can legitimately bill for report writing, participant-specific correspondence, and clinical case coordination at the same hourly rate as face-to-face therapy. But general administrative tasks — invoicing, booking appointments, compliance paperwork — are explicitly non-billable. The line between clinical administration and business administration is fuzzy in practice, and unusually high ratios of non face-to-face to face-to-face billing are a known audit trigger.
The question the Commission applies: “Would a reasonable person looking at your time records agree that the activity directly helped that specific participant?”
Service agreements are another area where practices stumble. Every billable activity must be covered in a signed, current service agreement. Charging updated 2025–26 rates without a correspondingly updated agreement is a breach of NDIS Terms of Business. Progress notes must link each session to plan goals, and all records must be retained for five years.
The admin burden, in numbers
The administrative weight of NDIS billing is not just anecdotal. Allied health providers spend an estimated 25–35% of operational time on non revenue-generating administration. Medium-sized providers report spending 18–22 hours per week on compliance-related admin alone, costing $37,000–$46,000 annually in overhead before delivering a single service.
What makes NDIS billing materially harder than Medicare or private health insurance is the layered complexity. Medicare uses straightforward item numbers. The NDIS requires profession-specific line items that change annually, day-of-week and time-of-day rate variations, location-based loadings, service agreements pre-authorising every billable activity, and different invoicing processes depending on the participant’s plan management type.
The cumulative effect is severe. The provider exit rate hit 21% in the past year, driven not by falling demand but by unsustainable margin pressure. Small-to-medium providers operate on margins of just 5–12%, and NDIS workforce turnover runs at 25–30% annually. The Australian Physiotherapy Association reports that 31% of physiotherapists are considering ceasing NDIS work entirely — a workforce crisis driven as much by paperwork as by pay.
Pricing changes that hit allied health hardest
The current NDIS Pricing Arrangements and Price Limits (PAPL 2025–26 v1.1, effective 24 November 2025) introduced several changes with immediate impact on allied health margins.
| Discipline | Price limit (/hr) | Change | Impact |
|---|---|---|---|
| Physiotherapy | $183.99 | −$10.00 | Up to −$40.06 in some states |
| Occupational Therapy | $193.99 | No change | Held steady |
| Psychology | $232.99 | +$10.00 | Only discipline to increase |
| Podiatry | ~$188.99 | −2.6% | Below inflation |
| Exercise Physiology | ~$166.99 | −2.6% | Below inflation |
Eight allied health peak bodies — including the APA, Occupational Therapy Australia, ESSA, and the Australian Podiatry Association — issued a joint statement calling on the NDIA to halt and review the pricing changes, collecting over 50,000 petition signatures.
From 1 July 2025, allied health professionals can only claim 50% of their hourly rate for travel, down from 100%. A physiotherapist travelling 30 minutes to a home visit now bills $46 for that travel instead of $92. Metro providers can claim a maximum of 30 minutes per trip; regional providers up to 60 minutes.
The reform wave: what’s coming and when
The NDIS is mid-way through its most significant structural overhaul since launch. Here’s the timeline that matters for practice administration.
Can outsourcing the admin burden work?
The question of outsourcing NDIS billing and administration is increasingly relevant given the admin burden data above. A growing market of providers now offers NDIS-specific administrative support — claims processing, service agreement management, invoice generation, plan budget tracking, compliance documentation, and audit preparation.
The potential benefits are tangible: freeing clinicians from admin allows more billable hours, specialist billing staff may reduce claim rejection rates, and scalable support avoids the fixed cost of permanent administrative hires.
NDIS participant information constitutes health information under the Privacy Act 1988. Australian Privacy Principle 8 imposes a critical obligation: before sending personal information overseas, the provider must take reasonable steps to ensure the overseas recipient won’t breach the APPs — and the Australian provider is held accountable for any breach by the overseas recipient as if it were their own. Practices need updated privacy policies, enforceable data processing agreements, robust access controls, and potentially express informed consent from participants.
There are no NDIS-specific rules explicitly prohibiting third-party billing, but the NDIS Practice Standards require that all staff handling participant information — including outsourced personnel — be trained in privacy, confidentiality, and information management. The increasing intensity of NDIS Commission enforcement makes robust outsourcing governance not just prudent but essential.
For practices where clinicians are personally handling NDIS invoicing — checking line items, tracking plan budgets, chasing plan managers — the opportunity cost is stark. The question isn’t whether to get help, but how to do it with the right safeguards in place.
In our work with Australian allied health clinics — including practices like Optimise Health in Toowoomba — the bottleneck is rarely the invoice itself. It is the layered work that surrounds it: pathway-aware triage of new referrals, line-item validation against the current PAPL, plan-budget tracking across quarterly funding instalments, and chasing plan managers when claims stall. That is the work that quietly consumes clinician hours, and it is the work a properly trained admin team can absorb without ever touching the clinical record.
Frequently asked questions
What are the three NDIS payment pathways for allied health?
Do I need to be NDIS registered to treat NDIS participants?
Can I bill for non face-to-face time under the NDIS?
How much time do practices spend on NDIS admin?
What changed in NDIS pricing for allied health in 2025–26?
Can I outsource NDIS billing administration?
Let your team focus on patients, not paperwork.
Clinic Admin provides managed admin teams trained in NDIS billing, Cliniko, and Australian privacy compliance. Our team supports the admin complexity so your clinicians can do what they do best.
Book a 15 minute chatSources & further reading
Figures and policy details throughout this guide draw on the following primary sources. Where the scheme changes frequently, dates are included so you can match the version being referenced.
- NDIA NDIS Quarterly Reports — participant numbers, expenditure, plan management pathway breakdowns, and provider market data.
- NDIA Pricing Arrangements and Price Limits (PAPL 2025–26) — discipline-specific hourly rate caps, travel rules, and allied health line items effective 1 July 2025 (v1.1 effective 24 November 2025).
- NDIS Quality and Safeguards Commission — compliance and enforcement activity reports, NDIS Practice Standards, and provider obligations.
- Australian Physiotherapy Association (APA), Occupational Therapy Australia, ESSA and APodA — joint peak-body statement on PAPL 2025–26 pricing changes.
- Office of the Australian Information Commissioner — Australian Privacy Principles — APP 8 on cross-border disclosure (relevant to offshore billing outsourcing).
- Parliament of Australia — Getting the NDIS Back on Track Act 2024 and the 2026 Integrity & Safeguarding Bill.