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Medicare and CTP Claims: Preparing for Medical Assessments in NSW

This article explains how Medicare and CTP claims interact in New South Wales, particularly during medical assessments. It outlines the documentation needed, the process for coordination, and how to respond if a dispute arises. The information is based on current NSW law and SIRA guidance.

Current as at 19 June 2026

Understanding Medicare and CTP Coordination in NSW

When you are injured in a motor accident in New South Wales, your access to medical treatment and related support is governed by the Compulsory Third Party (CTP) insurance scheme. If you are receiving treatment through Medicare, such as a general practitioner visit or diagnostic imaging, CTP insurers are required to coordinate with Medicare to ensure you are not double-billed or denied access to necessary care. This coordination is not automatic and requires clear documentation and communication between your medical practitioners, CTP insurer, and Medicare. The Motor Accident Injuries Act 2017 and the Motor Accident Injuries Regulation 2017 establish that CTP insurers must cover reasonable and necessary treatment, including services funded by Medicare, provided they are related to your accident. This means you can access Medicare services and still claim CTP benefits for those same services, so long as the treatment is directly linked to your accident and properly documented.

What You Need to Know Before a Medical Assessment

Medical assessments are a standard part of a CTP claim and may be required to determine the nature and extent of your injuries, your capacity for work, and your eligibility for benefits. When Medicare is involved, you must ensure your medical records clearly show:

  • The date and nature of your accident
  • The connection between your symptoms and the accident
  • The treatment provided, including any Medicare-claimed services
  • The medical practitioner’s opinion on how the accident contributed to your condition

Your treating medical practitioner must complete a CTP claim form (Form 1) and provide a medical report that details your diagnosis, treatment plan, and any work capacity restrictions. If you have used Medicare for any part of your treatment, you must provide a copy of the Medicare item number and date of service, or a Medicare Benefits Schedule (MBS) receipt, to your CTP insurer. This helps confirm that the service was provided and paid for, and prevents duplication of payments.

Evidence That Supports Your Claim

To ensure your CTP claim is not delayed or denied due to coordination issues with Medicare, you should gather and keep the following evidence:

  • A copy of your CTP insurer’s claim number
  • All medical reports, including those from specialists and allied health practitioners
  • Medicare item number and date of service for every treatment received
  • A copy of your Medicare Benefits Schedule (MBS) receipt or electronic record
  • Photocopies of any correspondence with your CTP insurer or medical provider
  • A written record of any changes in your condition, including symptoms, pain levels, and ability to work

If your CTP insurer requests a medical assessment, you must attend and bring all relevant documentation. Failure to attend or provide evidence may result in a delay or refusal of benefits. The insurer may also request a second opinion or independent medical assessment, which must be conducted by a qualified medical practitioner approved under the CTP scheme.

Time Limits and Dispute Resolution

There are time limits that apply to CTP claims in NSW. You must notify your CTP insurer of your claim within 3 years of the accident date. While this does not apply to all benefits, it is critical for claims seeking damages. If you are seeking treatment and care benefits, weekly income payments, or damages, you must act within this timeframe. Delays in notifying your insurer or providing medical evidence may affect your entitlement.

If your CTP insurer disputes your claim for coordination with Medicare, for example by arguing that a service was not related to your accident or was not reasonable, you have the right to request a review. You can ask your insurer to reconsider their decision, or apply to the State Insurance Regulatory Authority (SIRA) for a formal review. SIRA provides a process for resolving disputes about CTP claims, including those involving Medicare coordination. You must submit your dispute in writing and include all supporting evidence, including medical reports and Medicare receipts.

A Practical Example

Sarah was involved in a car accident in Sydney on 12 March 2024. She experienced neck pain and was referred to a physiotherapist by her GP. The physiotherapist submitted a claim to Medicare for a 30-minute assessment and treatment session on 18 March 2024. Sarah later notified her CTP insurer of her claim and submitted the Medicare receipt, along with a medical report from her GP confirming the injury was related to the accident. The insurer accepted the claim and paid for the treatment under CTP, as the service was reasonable, necessary, and directly linked to the accident. Sarah’s case demonstrates the importance of timely submission of documentation and clear evidence of the accident’s connection to the treatment.

Next Steps

Every claim depends on its own facts. To request contact about your circumstances, complete the quick, no obligation enquiry form.

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