Active patient count is often manipulated in dental practice sales because there's no universal definition, with brokers using generous look-back windows and inflated metrics that can mislead buyers about actual patient engagement and practice value.
- No universal definition exists. Active patients might mean anyone seen in 12, 18, 24, or 36 months, or every chart ever opened, creating confusion and the opportunity for manipulation.
- Common inflation tactics include using generous look-back windows without disclosure, counting household records as individual patients, and citing outdated patient counts from months before listing.
- Buyers must verify. Request the exact written definition, obtain underlying practice management reports, cross-reference against production data, and check three-year trends before relying on any patient count.
- Sellers face risks too. Inflated patient counts can result in post-closing indemnification claims and breached representations if numbers don't match actual practice management data.
"Active patient count" sounds like a simple number. In practice transitions, it's one of the most manipulated figures on either side of the table, and I've seen it burn both buyers and sellers who didn't ask enough questions before signing.
Whether you're selling your practice, buying one, or acquiring for a dental service organization (DSO) roll up, here's what this number actually means, how it gets inflated (intentionally or not), and what to verify before it becomes part of your purchase price.
There's no universal definition, and that's the problem
Marshall Strisik.
Ask 10 practices how they define an "active patient" and you'll get 10 different answers. Common definitions include anyone seen in the last 18 months, anyone seen in the last 24 months, anyone with a completed exam in the last 12 months, or simply every unique patient ever entered into the practice management system, regardless of when they were last seen.
None of these definitions are inherently wrong. The problem is that a buyer often assumes one definition, while a seller -- or a broker preparing marketing materials -- is using another, more generous one. A practice with 1,800 patients seen in the last 24 months can look identical on a marketing flyer to one with 1,800 patients seen in the last 12 months, even though the second practice's patient base is meaningfully more engaged and predictable.
Where broker puffing creeps in
Most brokers are not acting in bad faith. But brokers are compensated based on getting a deal done, and marketing materials are, by nature, sales documents. That creates a structural incentive to present numbers in the most favorable light the data support … without technically lying.
Common ways this shows up:
- Using the most generous possible look back window (36 months instead of 18) without disclosing it in the listing.
- Counting every chart ever opened, including patients who moved away, switched insurance networks, or haven't been seen in years.
- Presenting household counts as individual patient counts -- a family of four in the system as one "patient record" gets counted as four active patients.
- Citing patient count from a date months before the listing went live, without noting any attrition since.
None of this is necessarily fraud. It's puffing -- optimistic framing of technically accurate numbers. But the practical effect on a buyer's valuation model can be significant. "The broker said 2,000 active patients" is rarely enough to unwind a deal after closing if the marketing materials included a definition, however generous.
A cautionary tale for buyers
I've worked with buyers who built their financing and valuation models around a patient count that turned out to reflect a 36-month look back window -- nearly double the number of patients actually seen in a clinically meaningful recent period.
By the time they realized the discrepancy, they were already several months into integration, with production numbers falling short of what the patient count had implied. The purchase price didn't change; their expectations should have, months earlier, if the number had been verified before signing.
A cautionary tale for sellers
The risk runs the other way too. Sellers who inflate patient counts -- even unintentionally, by pulling the wrong report from their practice management system -- can face postclosing disputes, indemnification claims, or a damaged relationship with a DSO acquirer who discovers the discrepancy during integration.
If your purchase agreement includes representations about patient counts or practice performance, an inflated number isn't just an embarrassment. It can be a breach.
What buyers should verify before relying on any patient count
- Ask for the exact definition used, in writing: What is the look back window, and does it count individuals or households?
- Request the underlying practice management system report, not just the summary number in a marketing flyer.
- Cross-reference against production data. A patient count should roughly correlate with the volume of visits and revenue the practice is reporting -- if it doesn't, ask why.
- Check the patient count trend over the last three years, not just a single snapshot. A stable or growing active patient base tells a very different story than one that's been declining but is being marketed using an older, larger figure.
- Have your own adviser, not the seller's broker, pull and verify the number directly from the practice management software during due diligence.
What sellers should do before listing
- Pull your own patient count using a clear, defensible definition, and be prepared to explain your methodology to any buyer who asks.
- Don't let a broker's marketing materials use a more generous definition than what you'd be comfortable defending in due diligence.
- If your purchase agreement includes representations about patient counts, make sure the number you're representing is one you can actually stand behind.
The bigger picture
Active patient count is a genuinely useful metric, but only when both sides agree on what it means and where it came from. Treating it as a marketing number rather than a verified, defensible figure is where deals go wrong, sometimes not until well after closing.
Whether you're buying or selling, the fix is the same: Get the definition in writing, verify it against source data, and don't let a number on a one-page summary do the work that real diligence is supposed to do.
Marshall Strisik is the founder of DentalContractsPro.com. He is a healthcare attorney and consultant with two decades of experience advising dentists through DSO acquisitions and practice transitions. Strisik routinely works with new graduates on their first employment agreements.
The comments and observations expressed herein do not necessarily reflect the opinions of DrBicuspid.com, nor should they be construed as an endorsement or admonishment of any particular idea, vendor, or organization.
