When you’re evaluating a dental practice purchase, learning to recognize red flags can save you from making one of the biggest financial mistakes of your career. Over 30 years of dental consulting and practice acquisitions, I’ve seen dentists ignore warning signs that were screaming to stop, and I’ve seen them skip the thorough evaluation that would have revealed problems before closing. This guide walks you through the red flags that should make you pause, investigate deeper, or walk away entirely.
Red flags in practice acquisitions typically fall into several categories: financial anomalies, operational problems, team stability issues, patient relationship risks, legal or regulatory concerns, and intangible cultural factors. Some red flags are dealbreakers that should stop you immediately. Others warrant deeper investigation but might be addressable depending on your risk tolerance and resources.
Financial Red Flags That Signal Problems
Financial irregularities are often the easiest red flags to spot if you know what to look for, yet many dentist-buyers accept explanations that wouldn’t survive scrutiny from an accountant.
Inconsistency Between Years of Financials
If revenue fluctuates wildly from year to year without explanation, that’s a red flag. A practice might have seasonal variation, but large unexplained swings suggest instability. If the most recent year shows a dramatic jump after years of decline, be skeptical about whether that improvement is sustainable or just temporary.
Ask the seller to explain every major change in revenue, expenses, or profitability between years. If they can’t articulate a clear reason, or if their explanation doesn’t match what you observe about the practice, that’s a problem. A new dentist joining might explain revenue increases. A specific marketing campaign might explain patient acquisition spikes. A rent increase or major staffing change might explain expense shifts. But if there’s no logical explanation, the numbers may not be reliable.
Excessive Accounts Receivable
If the practice has substantial accounts receivable that’s aging beyond 45 days, something is wrong. This can indicate insurance claim processing problems, patient payment resistance, or unrealistic billing practices. A practice with $500,000 monthly production but $150,000 in outstanding receivables over 60 days old is not as healthy as it appears.
Ask for an aged accounts receivable report broken down by patient name and insurance company. Identify the oldest outstanding claims and understand why they haven’t been collected. If there are patterns, like specific insurance companies that pay slowly or patients who regularly default on payment arrangements, those are indicators of revenue quality problems.
The seller might tell you accounts receivable will be your responsibility post-closing, but you’re buying the right to collect them. If they’re not collectible, you’re buying a liability, not an asset. Have your accountant analyze collection rates. What percentage of outstanding receivables actually gets collected within the next 30 days? What percentage becomes write-offs?
Unusual or Unexplained Expenses
Review the profit and loss statement for expense categories that seem out of proportion to the practice size or services offered. Some red flags include:
High owner compensation that includes personal expenses. Many practices owners mix business and personal expenses through their compensation. If the owner is taking a salary that includes a car allowance, travel, or other personal items, those will end as soon as you take over. The true profitability is lower than stated.
Consulting or professional services fees that are unusually high. Sometimes owners pay inflated consulting fees to advisors, and these fees disappear once you take over.
Marketing and advertising expenses that produce no obvious results. If the practice is spending $2,000 monthly on marketing with minimal new patient flow, you need to understand why and whether that changes under your ownership.
Supplies or lab fees that seem disproportionately high. If supply costs are running 12 percent of revenue when industry average is 6 percent, something is wrong. Either the practice is using premium products unnecessarily, supplies are being wasted, or there’s theft or mismanagement.
Tax Return and Accounting Record Mismatches
If the practice’s profit and loss statement doesn’t match the tax return, or if there are significant differences, that’s a red flag. Sometimes practices keep two sets of books, or accounting records are sloppy. Have an accountant reconcile the actual tax filing with the accounting records provided to you.
If the owner has been taking draws or distributions that aren’t shown on the tax return, that’s a serious problem and potentially a tax compliance issue you’ll inherit.
Operational Red Flags
Beyond the financials, operational red flags tell you about the day-to-day reality of owning and running the practice.
Staff Turnover and Retention Issues
If key team members are actively job hunting, retiring soon, or have already given notice they’ll leave after closing, that’s a significant red flag. Ask team members directly about their plans. When will they retire? Are they planning to stay under new ownership? Is there anything that would change their employment status?
High turnover rates in recent years suggest either poor management, difficult work environment, compensation issues, or personality conflicts with the departing doctor. While some turnover is normal, if the practice has replaced most staff in the past 18 months, something is wrong. You’ll inherit instability and likely need to invest in recruiting and training new staff.
Check with your state’s labor board for any complaints or disputes filed by former employees. Check for any litigation history involving employment matters. These records are often public and reveal employment issues the seller would prefer you not know about.
Poor Patient Communication Systems
If the practice has no documented recall system, no patient scheduling protocol, or no organized patient communication approach, you’re buying operational chaos. Visit the practice and observe how patients are scheduled, reminded, and treated. Are there no-shows because patients forget they have appointments? Is there a system for following up on missed recalls?
If the practice has no email or text reminder system in 2026, that’s unusual and suggests the owner may not have invested in modern practice management. That’s often fine if you plan to upgrade, but it’s a red flag about what standards are in place.
Disorganized Clinical Documentation
Observe the actual patient charts and records. Are they well-organized, complete, and easy to understand? Or do they show incomplete documentation, missing treatment plans, or poor follow-up protocols? Poor clinical documentation is a liability risk and indicates the practice isn’t operating at a standard you might expect.
Walk into operatories and look at actual instrument management, supply organization, and sterilization protocols. If things look haphazard and disorganized, the operational standards may be lower than you’re willing to accept.
Outdated or Non-Functioning Equipment
Ask about the age of major equipment and the last time it was serviced. If the practice is using equipment from 15 years ago that’s still functional, that might be fine if it’s well-maintained. But if equipment is outdated, frequently malfunctioning, or will need replacement soon, that’s capital expenditure you need to budget for immediately after buying.
Request maintenance records for major equipment. If there are no maintenance records, the equipment may not be properly maintained. Get a professional equipment assessment done by someone who can evaluate whether major equipment will need replacement within the next 2 to 3 years.
Patient Relationship Red Flags
The practice’s patient base is its most valuable asset, and red flags about patient relationships are serious concerns.
Declining Patient Numbers
If the active patient count has declined over the past three years, that’s a red flag. Ask the seller why. Loss of patients typically happens because they’re not satisfied with care, they’re moving away, they’re switching to competitors, or the practice is not actively replacing patients lost to attrition.
Look at new patient numbers. If new patient acquisition is declining, the practice is losing market share. Even stable revenue with declining patient numbers often precedes declining revenue, because it means the practice is seeing fewer patients more frequently or patients are receiving more extensive treatment, which isn’t sustainable.
A practice that’s growing in patient numbers is healthier than one that’s stable or declining, because new patients are usually more satisfied and more likely to stay long-term.
Over-Dependence on One Referral Source
If 60 percent of new patients come from one dentist, one specialist, or one advertising source, that’s dangerous concentration risk. Losing that referral source would devastate the practice. Ask the seller about the relationship with major referral sources. Is it documented? Is it personal? What happens if that relationship changes?
If the practice relies heavily on insurance panels, ask about participation contracts and renewal dates. Some insurance panels shift networks or reduce participating dentist numbers, which can suddenly decrease patient flow.
Insurance Mix Problems
If the practice is over-weighted toward a single insurance carrier, that’s risky. Ask what percentage of patients are covered by each major insurance company. If one carrier represents more than 40 percent of the patient base, you’re vulnerable to that carrier’s fee schedule changes or sudden termination of participation.
Similarly, if the practice is overly dependent on uninsured patients or membership plans in a market where insured patients predominate, that’s unusual and worth understanding. How sustainable is an uninsured-based practice in a competitive market?
Legal and Regulatory Red Flags
Licensing, Compliance, or Board Action History
Have your attorney check the dentist’s board history. Any disciplinary actions, restrictions on license, continuing education requirements, or board complaints should be investigated. These are public records and reveal whether the dentist has had regulatory trouble.
Check with your state’s dental board and any relevant federal agencies about compliance history. Has there been an OSHA inspection? Have there been patient complaints filed and investigated? Understanding the regulatory history helps you assess whether compliance standards have been met.
Environmental or Property Issues
If the practice is in a leased space, have a real estate attorney review the lease. Are there any environmental issues? Is the building compliant with ADA accessibility requirements? Are there any pending zoning changes that might affect the practice?
If there’s a lease, understand the terms, the renewal options, and whether there have been any disputes with the landlord. A landlord dispute is a red flag. Understanding the lease well before closing prevents surprises about your cost of occupancy or your right to occupy the space.
Incomplete or Missing Documentation
If the seller can’t provide complete patient records, can’t explain significant expense categories, or won’t allow you to speak with advisors or accountants, that’s a dealbreaker red flag. Complete transparency is non-negotiable in a practice acquisition. If someone is hiding information, there’s usually something worth hiding.
Missing purchase agreements for equipment, unclear ownership of records, or questions about patient list ownership should all be resolved before closing. If these issues remain unclear, walk away.
Team and Culture Red Flags
Staff Expressing Reluctance About Your Ownership
If team members seem anxious or unhappy about the prospect of you taking over, that’s important feedback. Sometimes staff worry because the current owner was special; sometimes they worry because they’re job hunting. Try to understand the root of their concern.
Ask staff about what they value about the practice and what concerns they have. If the answer is that they have deep concerns about management or direction, you need to understand whether you can address those concerns.
Lack of Clear Management Systems
If there’s no organization to how things get done, if decisions are made ad hoc, if there’s no clarity about roles and responsibilities, you’re buying a practice that’s held together by personality rather than systems. This can work if you’re that personality, but it often means instability and poor efficiency.
Ask about how team meetings are run, how decisions are made, how problems are addressed, and how staff is trained. If there are no clear systems, you’ll need to implement them yourself, which takes time and effort.
The Current Dentist Can’t Articulate Vision or Plans
If the seller can’t explain why patients should choose this practice, can’t articulate what makes it special, or doesn’t have thoughts about the future, that’s concerning. The strongest practices have clear identity and direction. Practices that are drifting often reflect a dentist who’s disengaged or burned out.
When a Red Flag Becomes a Dealbreaker
Some red flags should stop you from moving forward. These include:
- The seller won’t answer direct questions about finances or operations
- Key staff members have stated they plan to leave
- The patient base is actively declining with no clear reason or plan to reverse it
- The accounts receivable are excessive and aging
- The facility has significant code violations or maintenance issues
- There’s litigation involving the practice, the dentist, or the seller
- The seller can’t provide complete documentation or there are missing records
If you encounter any of these dealbreakers, walking away is the appropriate response. The world has plenty of practices for sale. The worst deal is the one where you bought a problem you didn’t see coming.
Turning Red Flags Into Due Diligence Questions
Not every red flag is a dealbreaker, but every red flag should trigger deeper investigation. For each red flag you identify, develop specific questions and determine what information would resolve it in your mind.
If revenue is inconsistent, ask for monthly detail to identify seasonal patterns and anomalies. If staff turnover is high, ask for exit interviews and reasons for departure. If accounts receivable are high, ask for an aged report and review specific high-balance items.
This is where professional dental practice due diligence becomes essential. A consultant who’s evaluated hundreds of practices can help you understand which red flags are common and addressable versus which ones indicate fundamental problems. Our red flags guide provides detailed information about dealbreaker warning signs.
Trust Your Instincts But Verify Everything
If something feels wrong about a practice, that feeling is worth investigating. Experienced practice buyers often say that their hesitation about a particular practice turned out to be prescient. Your gut reaction combined with thorough verification is more reliable than either alone.
Don’t accept explanations at face value. Ask follow-up questions. Request documentation. Have professionals verify what you’re being told. The practices that succeed are bought by dentists who did the thorough work to really understand what they were getting.
Red flags are invitations to dig deeper, not reasons to panic. But they’re also not things to ignore or rationalize away. Take them seriously, investigate thoroughly, and don’t move forward until you’re confident that the practice is a solid acquisition that fits your goals and risk tolerance.
Evaluating a practice purchase is where your investment in professional guidance pays the biggest dividends. Contact JoAnne to discuss your specific practice acquisition and the red flags you’re seeing. With decades of experience identifying practice problems before they become your problems, JoAnne helps dentists navigate acquisitions with confidence and clarity.