The Most Valuable Patients in Your Clinic Are Already in Your System
In 1990, a Bain & Company consultant named Frederick Reichheld published a piece of research in Harvard Business Review that’s been cited in business strategy ever since. Working with Earl Sasser, he studied what happened to company profits when businesses simply kept more of the customers they already had. The finding: cutting customer defection by just 5% raised profits by 25% to 85% across the companies studied, with some individual businesses seeing gains far higher than that.
It’s one of the most repeated statistics in business, and for good reason. It points at something most organisations quietly underinvest in: the value sitting in the relationships and data they already have, rather than the ones they’re chasing.
The honest answer is that most practice management software is very good at one thing and only adequate at another. It’s built to store and organise patient data reliably. It’s rarely built to act on that data without a person driving every step.
Why this logic gets overlooked so often
Growth naturally pulls attention outward. New patients, new referrals, new marketing channels all feel like progress in a way that’s easy to point to. Managing the patient base a clinic already has doesn’t generate the same sense of momentum, even though, according to the same body of research, acquiring a new customer typically costs five to twenty-five times more than retaining an existing one.
Clinics aren’t traditional businesses selling repeat purchases, but the underlying economics aren’t as different as they might seem. A patient a clinic already has on file, with an existing relationship and clinical history, is dramatically cheaper to bring back in for the care they need than a brand new patient is to attract, onboard, and build trust with from zero.
Where the value actually sits
For a clinic, this reframes a question that often gets asked the wrong way around. The instinct, when a clinic wants to grow, is often to ask “how do we get more patients?” A more revealing question is usually “how well are we using the patient data we already have?”
That data holds real, measurable value: which patients are overdue for something they need, which haven’t been seen in a while, which are approaching a point in a treatment plan or a chronic condition where contact matters most. None of that value gets realised automatically. It sits in the system, unused, until someone actively works it, or until a process is built that works it on the clinic’s behalf.
The gap between having the data and using it
Most clinics already have far more of this data than they’re actively using. A practice management system holds records of who’s overdue, who’s lapsed, who fits whatever criteria matter most to that clinic’s patient population. The retention research points at a genuinely underappreciated truth: the return on organising and acting on that existing data is often larger than the return on the next marketing dollar spent finding someone new.
This is where the idea of a clinic CRM, rather than just a records system, starts to matter. A records system stores what’s true about a patient. A CRM-style approach treats that data as something to be actively worked: filtered by the criteria that matter to the clinic, and acted on consistently, rather than left to be rediscovered manually whenever someone has time to run a report.
What this actually means in practice
None of this requires a clinic to do more outreach in some generic sense. It requires being able to define, clearly, which patients matter most to reach right now, and having a reliable way to actually reach them, consistently, without that depending on someone remembering to check. The retention economics research is nearly universal across industries for a reason: the relationships and data an organisation already has are almost always underused relative to how valuable they actually are.
For a clinic, the patients already in the system aren’t just historical records. They’re the clearest, cheapest, highest-leverage opportunity a clinic has, if the data behind them is actually put to work.
See how Coda helps clinics put their existing patient data to work.
