Educational content only. This post discusses general patterns in new healthcare practice cash flow. Specific outcomes vary by practice. Consult your accountant for guidance specific to your situation.
The first 90 days of a new clinic always look different in real life than they do on the pro-forma. The pro-forma shows revenue building progressively from month 1. Real life shows weeks where you're paying staff, rent, supplies, and debt service while the appointment book is still mostly empty.
This isn't a sign that something is wrong. It's the normal pattern. But understanding what actually happens in the first 90 days helps you plan for it — both financially and operationally — rather than being surprised.
Week 1 to 4: Fixed Costs, Minimal Revenue
You opened the doors. Rent has started. Staff are on payroll. Supplies are being consumed. Debt service is due. Insurance premiums are running. Software subscriptions are active. Marketing is spending.
Revenue in the first month is typically a fraction of what it will be at full capacity. For most healthcare specialties, the first month of revenue commonly comes in at 10 to 25 percent of full-capacity monthly revenue. Some of that is collected promptly. Some sits in accounts receivable for 30 to 60 days depending on payer mix.
Net cash position in month 1 for most new practices is significantly negative. Operating expenses of $15,000 to $25,000 against revenue receipts of perhaps $3,000 to $8,000. The working capital reserve absorbs the gap.
This is not a problem if it's expected and budgeted for. It's a problem if the budget assumed a more aggressive ramp.
The Insurance Receivable Lag
For US practices and Canadian practices billing third-party insurers, there's a specific cash flow dynamic worth understanding.
You provide a service in week 1. The claim is submitted. The insurer processes it — typically 14 to 30 days for clean claims, longer for claims requiring additional documentation or manual review. Payment arrives 30 to 60 days after service.
This means revenue in your first month largely doesn't translate to cash receipts in your first month. The first significant insurance payments often arrive in week 6 to 8. Until then, the practice is operating almost entirely on working capital reserve, with cash receipts coming primarily from any cash-pay services or copays collected at time of service.
Cash-pay practices and out-of-network practices avoid this lag and see receipts more quickly aligned with services rendered. But for in-network practices, the receivable lag effectively pushes the working capital requirement out by another month relative to what gross revenue alone would suggest.
Week 5 to 8: The First Real Test
By week 5 or 6, the practice has typically been operating for over a month. Working capital has been drawn down meaningfully. The first significant insurance receipts are starting to arrive. The owner is starting to get a sense of whether the actual ramp is matching the modelled ramp.
This is where many operators have their first hard moment of clarity. If patient volume is below projection, the cash position is worse than expected, and the runway is shorter than planned. The instinct in this moment is often to cut something — reduce marketing, cut a staff position, defer a vendor payment.
The wrong cuts here can compound the problem. Cutting marketing in the early ramp slows patient acquisition further. Cutting staff hours can affect operational capacity right when the practice needs it. Some cuts are appropriate; others accelerate the problem.
The discipline at this point is to look at the underlying ramp dynamics rather than the cash position alone. Are new patients booking appointments? Are existing patients returning? Is the conversion from inquiry to booked appointment working? Those are leading indicators. Cash position is a lagging indicator that's already weeks behind the underlying patient flow.
Week 9 to 12: Patterns Emerge
By week 9, the practice has 60 to 90 days of operating history. The underlying patient flow patterns become clearer. Marketing channels are showing which ones produce results. Staff scheduling has been optimized. Operational issues that surfaced in the first weeks are mostly resolved.
Cash position at this point is typically still negative on a cumulative basis — the practice is still drawing on working capital, not yet net adding to cash. But the rate of cash burn typically slows in weeks 9 to 12 as revenue accelerates while costs stabilize.
If the practice is on a healthy trajectory, the rate of monthly cash burn declines visibly across weeks 9 to 12 even if cumulative cash position is still falling. If the practice is on a problematic trajectory, the burn rate stays flat or accelerates — meaning the underlying ramp isn't working.
This is the point where it makes sense to do a serious mid-90-day review of the financials. Compare actual revenue and expenses to the pro-forma. Identify where reality is diverging from plan. Decide what corrections are needed.
What to Track in the First 90 Days
The financial metrics worth tracking weekly in the first 90 days are not the same metrics that matter once the practice is established.
New patient inquiries. The leading indicator of patient acquisition. If inquiries are coming in, conversion to booked appointments is the next thing to look at. If inquiries are not coming in, the marketing is the bottleneck.
Booked appointments versus capacity. What percentage of available appointment slots are filled? This is the operational metric that drives revenue.
Conversion from inquiry to booked appointment. If inquiries are coming in but not converting, the front desk process or insurance verification process may be the bottleneck.
New patient flow versus repeat patient flow. Most new clinics need both. Strong new patient flow with weak repeat flow suggests retention issues. Strong repeat flow with weak new patient flow suggests the existing patient base will plateau.
Cash position by week. Track cash on hand against the pro-forma weekly. The variance between actual and projected is the early signal of whether the ramp is on track.
Accounts receivable aging. For practices billing insurance, AR aging tells you what cash is on the way. AR that's stuck or aging beyond 60 days is a problem worth addressing quickly.
The Owner's Personal Cash Position
One thing that often gets ignored in pro-forma planning is the owner's personal cash flow during the first 90 days.
If the practice can't afford to pay the owner a salary in the first 60 to 90 days — which is common — the owner's personal expenses are coming from somewhere. Usually personal savings, sometimes spouse income, sometimes personal credit lines.
Plan this explicitly. How long can your personal financial position support you without practice income? What's your contingency if the practice can't pay you for 6 months instead of 3? This isn't a practice planning question; it's a personal financial planning question that intersects with the practice ramp.
Operators who run out of personal financial runway often make decisions that hurt the practice — taking distributions before the practice can support them, taking on personal debt that affects DSCR for future practice financing, leaving the practice for higher-paying employed work that conflicts with running the new clinic.
What "On Track" Looks Like
A reasonable benchmark for a new clinic at the 90-day point is somewhere between 30 and 50 percent of full-capacity revenue, with the rate of growth accelerating. Working capital is being consumed but at a manageable rate, with enough reserve to bridge through the next 6 to 12 months as the ramp continues.
Faster ramps happen but are not the norm. Slower ramps also happen and may still produce good outcomes if the working capital reserve is sufficient.
The honest answer is that 90 days isn't long enough to know whether the practice will succeed. It's long enough to know whether the underlying patterns are healthy — whether patients are coming, whether conversion is working, whether operations are stable. The financial outcome takes longer to be clear. The operational health is visible by month 3.
The Profitability Calculator models monthly operating profitability across three capacity scenarios — 50%, 75%, and 100% of full utilization. Useful for understanding what your cash position looks like at different points in the ramp before you open, so the first 90 days don't surprise you.
Model Profitability →Disclaimer: Cash flow patterns and ramp characteristics described are drawn from published healthcare practice sources and represent general patterns. Specific outcomes vary considerably. KlinDeck is not a financial advisor or accountant. Content is educational only. Consult qualified professionals for guidance specific to your situation.