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I was catching up with a friend over breakfast a few weeks ago, and the conversation drifted, the way it does, to our doctors. She mentioned she’d been going to the same dentist for 15 years. Then she said something that stopped me: she was one warm referral away from leaving.
Fifteen years, and one good recommendation from a friend was all it would take.
I asked what changed. Her dentist had retired and sold the practice. All the warm, familiar feeling she’d built with him evaporated overnight, and nobody at the new practice had done anything to bring it back. So I started asking other people the same question, and I kept getting the same answer. If that’s true for one patient at one practice, it’s worth asking how many of your own patients are standing in the same spot right now, closer to the door than you think.
If you’re facing a physician transition in your practice, whether it’s planned or it’s coming out of nowhere, there are specific things worth thinking through before it happens, not after. And there’s real math behind why this matters more than most practices treat it.
The part of a transition that usually gets skipped
When a physician leaves, there’s usually a flurry of behind-the-scenes activity. Who takes over the patient panel, fills the open role, and handles a stack of administrative and legal tasks that suddenly become urgent. All of that matters. But without patients, none of it matters, and patient experience is too often left out of the planning entirely or bolted on as an afterthought.
Here’s what practices underestimate: a long-tenured patient’s loyalty was never just about the physician’s competence. It’s the whole atmosphere, the relationship with the team around that physician, not just the physician alone. Think about a dental visit. Unless you need a specific procedure, you spend most of your appointment time with the hygienist or the assistant, not the dentist. If that relationship is weak, it colors the entire experience, no matter how good the doctor is.
And when a physician leaves, their team often leaves too, whether that’s by choice or by practice decision.
A transition that was handled well, until it wasn’t
When my dentist retired, the practice actually did a lot right. The patients got plenty of notice, there was a farewell event, and overall the communication around the departure was handled thoughtfully.
What wasn’t handled well was the team transition. The incoming dentist brought in new support staff, and personally I didn’t connect with them. That matters more than it sounds, because patients spend far more appointment minutes with the support team than with the physician. A great new doctor paired with a support team a patient doesn’t click with can still lose that patient, even after 20 years.
Where practices get the communication wrong
Most practices do send some kind of announcement: a letter, an email, a social post. That’s necessary, but it’s not sufficient, and here’s why. Mailed letters get tossed. Emails land in spam. Social posts get buried by the algorithm. If a one-time announcement is your entire communication strategy, you should expect some percentage of your patients to simply never see it.
There’s a second mistake, just as common: assuming that because the front desk and billing staff stayed the same, the patient experience will feel unchanged. It won’t. Every physician runs their practice differently, and every new team brings a different rhythm. Patients will notice the difference, and sometimes they’ll compare it unfavorably to what came before, even when that comparison isn’t entirely fair.
Private equity-backed practices have gotten good at this. They don’t just have one transition plan; they have several, because they’ve learned that patients now expect a smooth handoff as the norm. If your practice doesn’t have a communication plan for physician transitions, you’re not just leaving revenue on the table; you’re actively pushing patients toward competitors who do.
None of this is a knock on your training. Nobody taught you change management in medical school. That’s precisely the gap private equity groups fill with dedicated business managers, and it’s the gap that determines whether your practice holds onto its patient base or hands it to whoever handles the transition better.
What this actually costs, by specialty
Here’s where the math gets uncomfortable. I calculated this across four specialties, using the midpoint of typical turnover ranges and average patient value, always erring on the conservative side. If your specialty isn’t listed here, run your own numbers using this same method: patients at risk, multiplied by average patient value.
Orthopedics. Turnover when a surgeon leaves typically runs 15-25%, so I used 20%. At roughly 900 patients a year and an average patient value of $3,500, that’s 180 patients and $630,000 at stake a year. Look at lifetime value instead: at $15,000 per patient, the number jumps to $2.7 million.
Ophthalmology. Turnover here runs higher, 25-35%, so I used 30%. At roughly 4,000 patients a year and an average value of $800, that’s 1,200 patients and $960,000 at stake a year. Lifetime value, at $6,000 per patient, brings that to $7.2 million.
Dental. Turnover runs 35-45%, so I used 40%. At roughly 1,600 patients a year and an average value of $600 (cleanings only, not major work), that’s 640 patients and $384,000 a year at stake. Lifetime value at $6,000 per patient puts that at $3.84 million.
Functional medicine. This one is different, because the relationship with the practitioner is the product in a way it isn’t in other specialties. Turnover runs 60-80%, so I used 70%. At roughly 600 patients a year and an average value of $2,500, that’s 420 patients, more than half the panel, and just over $1 million a year at stake. Lifetime value, at $8,000 per patient, comes to $3.36 million.
Whatever specialty you’re in, if you haven’t run this math for your own practice, that’s the first thing worth doing before your next transition, planned or not.
Your 3-Step Action Plan:
You don’t have to fix the entire system at once, but you can take action in the right direction.
Build a patient relationship plan before you need one.
This applies to every practice, whether or not a transition is on the horizon. Get in the habit of communicating with patients about what’s happening in the practice, not just appointment reminders. When a transition does come, you’re not starting from zero.
Create a deliberate overlap period.
If a physician is planning to leave, structure real-time for the incoming and outgoing physician to work alongside each other and be introduced to patients together. Trust doesn’t transfer automatically. It has to be built, and an overlap period is where that happens.
Personally reach out to your most valued patients.
Not everyone, just the ones who’ve been with you longest or leaned on you most. A short, personal conversation tells them they matter enough to hear it directly, and it does double duty: it protects the relationship they already have with your practice, and it gives them a reason to speak well of the incoming physician to everyone they refer.
If you’re realizing you don’t have any of this in place, that’s not a reflection on you. This is business and change management, and nobody trained you on it. If you know a transition is coming and you’re not sure where to start, that’s exactly what a Practice Triage Call is for. Book 20 minutes, and we’ll map out what needs to happen and on what timeline. Book a Practice Triage Call with the link below.
Find Out Where Your Practice Is Most Vulnerable
If you don’t have an outside perspective on your practice, that is exactly what I provide during a free 20-minute Triage Call. Together, we will pinpoint where your revenue system is leaking and uncover the hidden revenue opportunities you are walking past. You will leave with at least 3 specific action items, and a bonus: a much clearer picture of what to delegate first so you can get back to the work you actually trained for.
Do the Math for Your Practice
Download the free worksheet that walks you through exactly how to find these numbers, calculate your referral completion rate, and see the revenue impact specific to your practice. The free worksheet takes about five minutes to complete.
About the Author
Alisa Conner is a Fractional CMO who helps specialty medical practices build marketing and operational systems that drive predictable growth. With experience leading marketing at Fortune 500 organizations, including GE and Canon, she now works with practices generating $5M–$50M in revenue to close the strategy gaps that cause referrals to leak, schedules to go unfilled, and revenue to be unpredictable. Subscribe to The Profit Loop for weekly insights.
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Frequently Asked Questions
How many patients does a practice lose when a physician leaves?
It depends on specialty. Using conservative, practice-level estimates, orthopedic practices see roughly 15-25% patient turnover, ophthalmology 25-35%, dental 35-45%, and functional medicine 60-80% when a physician departs.
What is the financial impact of a physician leaving a medical practice?
Using the midpoint of typical turnover rates and average patient value, a departing orthopedic physician puts roughly $630,000 a year at risk, an ophthalmologist roughly $960,000, a dentist roughly $384,000, and a functional medicine practitioner just over $1 million, before accounting for lifetime patient value, which runs into the millions in every specialty.
How can a practice reduce patient loss during a physician transition?
Three things matter most: build an ongoing patient relationship plan before any transition is on the calendar, create a deliberate overlap period so patients meet and build trust with the incoming physician alongside the departing one, and personally reach out to your most valued, longest-tenured patients rather than relying on a single announcement.