Running a medical practice means your day already belongs to your patients, not your profit and loss statement. Yet medical practice accounting quietly decides whether your clinic stays cash-flow positive, compliant, and actually profitable at the end of the year. It is also more complicated than standard small business accounting, thanks to Medicare rebates, mixed billing, service agreements, GST rules that change service by service, and payroll tax rules that have shifted dramatically for practices with contractor doctors.
Get it right and you can see exactly what every doctor, room, and service line contributes. Get it wrong and you feel it fast: unexplained cash-flow gaps, surprise ATO letters, and tax bills bigger than they need to be. Below are eight practical tips to tighten up the finances behind your practice, reduce your compliance risk, and free you up to focus on care.
Why medical practice accounting is different
On paper, a clinic is just another business with income, expenses, staff, and tax. In reality, medical practice accounting has a few features that a generic bookkeeping setup simply cannot handle well.
You are usually juggling multiple income streams: Medicare, private health insurers, patient gap fees, DVA, WorkCover, and sometimes occupational health contracts or retail sales. Much of that revenue is shared, with income belonging partly to individual practitioners and partly to the practice entity under service agreements. On top of that sits heavy regulatory exposure and GST rules that treat one service as GST-free and the next as taxable. That is why practices that specialise in health, like the team behind New Wave’s medical accounting services, build their systems around how a clinic actually runs rather than forcing it into an off-the-shelf template.
1. Get your practice structure right from the start
Your business structure drives how much tax you pay, how your income is split between practitioners and the practice, and how well your personal assets are shielded if something goes wrong. Sole trader, company, trust, and service entity arrangements all behave very differently at tax time, and the wrong one can quietly cost you thousands each year.
Doctors also carry real professional liability, so structure is a protection question as much as a tax one. Reviewing your setup with a specialist before you grow is far cheaper than untangling it later. It is worth getting proper advice on business structuring and asset protection so your structure supports the practice you are building, not the one you started with.
2. Track each revenue stream separately
Lumping all your income into one figure hides the story your numbers are trying to tell. Medicare, private billing, gap payments, DVA, WorkCover, and any retail or occupational health income should each be tracked as their own line so you can see where money actually comes from.
Just as importantly, reconcile what you bill against what lands in the bank. Your accounting system should match claims to remittances and flag rejections or short payments quickly, because in a busy clinic those gaps add up fast and are easy to miss.
3. Nail your GST treatment
This is where a lot of practices slip up. Most core medical services are GST-free, but not everything you invoice is. According to the ATO’s guidance on medical services and GST, services are GST-free where a Medicare benefit is payable or where they are generally accepted as necessary treatment, but cosmetic procedures with no Medicare benefit, certain medical reports, and retail products can all attract GST.
The room and administration fees a practice charges to contractor practitioners are usually taxable too. Getting these classifications right on every invoice keeps your BAS accurate and avoids nasty adjustments down the track.
4. Stay on top of payroll and superannuation
Payroll is one of the biggest recurring costs in a practice, and it is where compliance mistakes are most expensive. The super guarantee rate reached its final legislated level of 12% on 1 July 2025, which the ATO applies to all ordinary time earnings for eligible staff.
From 1 July 2026, Payday Super changes the rhythm again, requiring super to be paid with every pay run rather than quarterly. Paying super late triggers the super guarantee charge, and that charge is not tax deductible, so building super into each pay cycle is now essential rather than optional.
5. Know your payroll tax position on contractor doctors
If your practice engages doctors as contractors, payroll tax deserves your full attention. The landmark Thomas and Naaz decision confirmed that the substance of an arrangement matters more than the label on the contract, so calling a doctor a contractor does not automatically keep their payments out of the payroll tax net.
The rules also vary by state. In Queensland, a Queensland Revenue Office public ruling now exempts wages paid by a medical practice to general practitioners, but that relief does not automatically extend to specialists, dentists, or allied health providers, and other states treat it differently again. The safest position is a genuine service agreement that reflects how your doctors actually work, reviewed regularly as your practice changes.
6. Use cloud accounting and keep your books current
Shoebox bookkeeping and once-a-year catch-ups are the enemy of a healthy practice. Cloud platforms like Xero and QuickBooks Online, ideally connected to your practice management software, let you reconcile in real time and always know where you stand rather than guessing until tax time.
Keep your business and personal spending in separate accounts, scan and store receipts digitally, and reconcile regularly so nothing slips through. If bookkeeping is eating your evenings, outsourcing it to a specialist is often cheaper than the mistakes and lost time it prevents. Reliable bookkeeping is the foundation everything else in this list depends on.
7. Plan for tax, don’t just report it
Most doctors move into the top marginal tax bracket early, which makes tax the single largest ongoing cost in many practices. Waiting until your return is due means you are only ever reacting to a bill that has already landed. As income rises, the ATO also asks for quarterly PAYG instalments and bracket creep quietly pushes more of your income into higher rates.
Proactive tax planning changes the outcome: timing income and expenses, making the most of concessional super contributions, and claiming every legitimate deduction, from continuing professional development to indemnity insurance and equipment. Ongoing business advisory support turns tax from an annual shock into a managed, predictable part of running the practice.
8. Watch cash flow and measure profit by doctor and room
A profitable practice on paper can still run out of cash if billing cycles, wages, and super all fall due at the wrong time. Forecasting your cash position ahead of time lets you make confident decisions before problems appear, not after. Good cash flow forecasting is one of the highest-value habits a growing clinic can build.
Go a layer deeper and measure profitability by individual doctor, room, and service line. That is where you discover which parts of the practice truly drive your margin and which are quietly dragging on it. For practices that want senior financial insight without a full-time hire, a Virtual CFO can deliver the reporting and strategy that keep growth on track.
Frequently asked questions
Do medical practices have to pay GST?
Most core medical services are GST-free, particularly where a Medicare benefit is payable. However, some income is taxable, including cosmetic procedures with no Medicare benefit, certain medical reports, retail product sales, and the room and admin fees a practice charges to contractor practitioners. Each invoice needs to be classified correctly, so many practices register for GST and account for the taxable portion carefully.
Do you pay payroll tax on contractor GPs in Queensland?
Queensland currently exempts wages paid by a medical practice to general practitioners under a Queensland Revenue Office ruling. That exemption does not automatically cover specialists, dentists, or allied health practitioners, and the underlying relevant contracts rules still apply. Because the position varies by state and by arrangement, it is worth having your service agreements reviewed by a specialist.
What is the best accounting software for a medical practice?
Cloud platforms such as Xero and QuickBooks Online are the most popular choices because they reconcile in real time and integrate with practice management and billing systems. The right fit depends on your size, billing mix, and how you split income between the practice and individual practitioners, so set it up with your accountant rather than in isolation.
What business structure is best for a medical practice?
There is no single answer. Sole trader, company, trust, and service entity structures each balance tax, income splitting, and asset protection differently. The best structure depends on your income level, the number of practitioners, and your growth plans, which is why it should be chosen with tailored advice before you lock it in.
Ready to streamline your practice finances?
Strong medical practice accounting is not about doing more admin. It is about having systems and advice that let you see your numbers clearly, stay compliant, and keep more of what you earn. If your current setup only surfaces once a year at tax time, there is almost certainly room to do better.
New Wave works with clinics and practitioners across Australia to take the financial weight off their plate, from bookkeeping and BAS through to structuring, tax planning, and cash flow strategy. To see how much smoother your practice finances could be, get in touch with the New Wave team or learn more about our accounting for medical practices.









