Funding strategy and plan design dominate the renewal conversation. That makes sense, they are what move the number on a proposal. Dental usually just gets a GeoAccess report and a nod: enough providers within a reasonable radius, treated as good enough.
While GeoAccess measures distance, it does not check whether the specific dentist a family has trusted for years is contracted with the new carrier. That gap survives even the cleanest of reports.
WHY A CLEAN NETWORK MATCH CAN STILL CAUSE A MESS ON DAY ONE
Some dental carriers own their network outright. Others lease it. That means the plan a client just bought might really be running on someone else’s network, wearing a new name, and nothing about that shows up in the proposal. Even dentists may not be aware that they have become part of one of these leased networks. The American Dental Association has documented cases where a dentist found out only when a claim paid at a discounted rate no one had agreed to,1 and the Academy of General Dentistry has traced situations where one signed contract pulls a dentist into several other networks they never actually joined.2 The split matters enough that an independent actuarial firm runs a national study on it every year.3 If a dentist’s own office does not always know which networks it is in, the person answering the phone does not either.
Here is what that looks like. A group switches from a big, familiar carrier name to a smaller one dental offices do not see as often. The dentist is often still in network. It is just a lease, and nobody told the front desk. The claim still processes fine once it is filed. None of that matters when a receptionist tells a patient the practice does not take that plan. Now there is a confused employee, an HR call, and a broker stuck explaining that the plan everyone approved is fine.
This hits hardest on larger groups. A handful of confused employees in the first few weeks of a new plan year can generate far more HR noise than the actual problem deserves. There is a name for this now. Benefits attorneys call it a ghost network problem: a directory or brand name that is accurate on paper and useless at the front desk.

That name matters more once you look at who is holding these plans. A meaningful and growing share of dental coverage, especially among larger employers, is self-funded rather than fully insured. More than 30% of groups with 500 or more employees now run their dental plan this way.4 Self-funded plans run under federal ERISA rules instead of state insurance law, so the network adequacy reviews states require of fully insured plans generally do not apply.5 A few recent ERISA cases have already asked whether a self-funded plan can be held responsible for a directory that turns out to be wrong.6 Separately, appellate courts have reminded plan sponsors that monitoring their vendors is an ongoing job, not a one-time decision made at renewal.7 On a fully insured plan, a ghost network is a service problem. On a self-funded plan, and that share is only growing, it is closer to a compliance question.

THE HIDDEN CONSEQUENCES OF THE SAME SWITCH
The same switch creates smaller problems too, problems nobody flags until later. Carriers do not all treat composite fillings the same way. Some pay white fillings at the full rate on molars. Others downgrade them to the silver-filling rate, so an employee gets the same treatment from the same dentist and still owes more. Rollover credit toward next year’s annual maximum does not travel to a new carrier, so a cushion someone built up by using less care just disappears. A mid-year switch cuts both ways: it wipes out any deductible progress someone already made, but it also delivers a brand-new annual maximum, a real win for anyone who had already used up most of this year’s benefit, and a wash for anyone who had not. None of it shows up on a comparison grid, and none of it is the client’s fault for not asking about something nobody put in front of them.

WHAT A REAL RENEWAL SEASON CHECK LOOKS LIKE
A GeoAccess report is a starting point. It is not a disruption analysis. The real check, especially heading into Q4 effective dates, means pulling the actual Tax ID numbers for a client’s most-used dental practices and checking each one against the new carrier’s provider file directly, not trusting a distance-based map that cannot tell a leased network from an owned one.
That matters for every group. It matters most for self-funded clients, since no state regulator is catching a stale directory for them if a broker does not. That level of check takes real effort on a large group. It is also the difference between running a rate comparison this renewal season and protecting the switch.

BOTTOM LINE
Employees rarely notice when a dental plan gets cheaper. They will notice immediately when their dentist stops feeling like their dentist. Renewal season is when that risk gets locked in for the next twelve months, and catching it first is also how a broker turns a routine renewal into the reason a client stays, not just the reason they did not leave.
CRC Benefits connects advisors with dental, vision, and ancillary solutions across every market, with the plan design support and carrier relationships to help a broker bring more than a rate sheet to the table. Reach out to the CRC Benefits ancillary team to talk through what a real disruption check looks like for your book before this renewal season locks in.
CONTRIBUTORS
+ Allan Berkin has spent decades in ancillary benefits sales, working dental and critical illness coverage for brokers across the Mid-Atlantic.
+ Brian Callery covers group life, disability, dental, vision, and voluntary benefits out of New York, helping brokers build packages that go beyond the medical plan.
END NOTES
1. American Dental Association. “PPO (Network) Leasing.” Accessed August 2026. https://www.ada.org/-/media/project/ada-organization/ada/ada-org/files/resources/practice/dental-insurance/ppo_leasing_networks.pdf
2. Academy of General Dentistry. “Exploring the Landscape of Leased PPO Networks.” Accessed August 2026. https://www.agd.org/docs/default-source/policies-and-white-papers/impact-and-gd-articles/exploring-the-landscape-of-leased-ppo-networks.pdf
3. Milliman. “2024 Dental Actuarial Analytics Commercial PPO Network Study.” 2025. https://www.milliman.com/en/insight/2024-dental-actuarial-analytics-commercial-ppo-network-study
4. Ameritas. “Funding Strategy Matters: Self-Funded vs. Fully Insured.” July 2025. https://www.ameritas.com/insights/funding-strategy-matters-self-funded-vs-fully-insured/
5. ERISA Advisory Group. “Essential Guide for US Plan Sponsors 2025.” April 2026. https://www.erisaadvisorygroup.com/erisa-insights-blog/erisa-compliance-essential-guide-for-us-plan-sponsors-2025/
6. Fisher Phillips. “The ‘Ghost Network’ Problem: The Key Questions Employers Can Ask to Avoid Little-Known Benefits Risk.” January 2026. https://www.fisherphillips.com/en/insights/insights/the-ghost-network-problem
7. Fisher Phillips. “Federal Appeals Court Decision Reminds Employers About Their Duty to Monitor Service Providers of ERISA-Covered Health and Welfare Plans.” May 2025. https://www.fisherphillips.com/en/insights/insights/federal-appeals-court-decision-reminds-employers-about-their-duty-to-monitor-service-providers-of-erisa-covered-health-and-welfare-plans