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For many employers, pharmacy benefits still come as a single, bundled package.
One contract. One set of rules. One data feed that may or may not answer the questions that matter most.
Unbundled pharmacy benefit administrator models change that arrangement.
Instead of buying everything from one vendor, employers can separate core administrative functions and choose how those pieces fit together.
The PBA shift isn't about ideology or taking sides in industry debates; it's about taking control.
Here are four practical ways to initiate this change:
1. Clearer visibility into where drug dollars go.
In bundled models, pricing, fees and rebates often flow through multiple layers.
Employers may see a net result but struggle to trace how that number was reached.
That makes it difficult to confirm whether the plan is paying competitive prices or whether incentives are aligned with the plan's goals.
Unbundling allows employers to see pharmacy costs at a more granular level.
Claims data, pharmacy reimbursement, administrative fees and rebate activity can be reviewed separately rather than being blended together.
With clearer line of sight, finance and benefits teams can answer basic but critical questions: What did we pay the pharmacy?
What fees were retained?
What rebates were earned, and when were they received?
That level of visibility doesn't automatically lower costs, but it gives employers the information they need to better manage them.
2. Flexibility to change one piece without replacing everything.
Under traditional arrangements, changing any part of the pharmacy benefit often means renegotiating or replacing the entire existing relationship.
That creates friction and encourages inertia, even when performance issues are well understood.
An unbundled structure lets employers adjust specific components as needs change. A plan sponsor may decide to keep its administrative platform but change how rebate partners are managed. Another may want to update prior authorization workflows or integrate a different clinical program without disrupting the rest of the benefit.
This modular approach mirrors how employers already manage other parts of their benefits ecosystem.
It reduces switching costs, shortens timelines and allows plans to evolve gradually rather than through all-or-nothing decisions.
3. More control over benefit design and member experience.
Control isn't just financial.
It also shows how benefits work for employees at the pharmacy counter.
With access to real-time data and configurable benefit rules, employers can make faster adjustments to formularies, networks and utilization policies.
Instead of waiting for quarterly reports or contract renewals, changes can be tested and refined based on current utilization and spend.
That responsiveness matters as drug markets shift.
New biosimilars, specialty therapies and cash-pay alternatives continue to reshape how members access medications.
Employers that can see pricing in real time and adjust benefit design accordingly are better positioned to support affordability without sacrificing access.
It also improves communication.
When benefit rules are clearer and more predictable, employees experience fewer surprises at the point of sale, and HR teams spend less time explaining confusing outcomes.
4. New federal PBM reforms reinforce the shift toward transparency.
The new PBM reform and unbundled pharmacy models aren't competing ideas.
As compliance, transparency and auditability requirements rise across the industry, employers need operational workflows that help them in a practical way.
Employers using unbundled models can help turn required reporting into real visibility, giving plan sponsors the capability to evaluate performance, adjust components and make informed decisions based on data they can actually see and explain.
Unbundled PBA services aren't a silver bullet, and they aren't right for every plan.
They do, however, give employers more levers to pull and extra information to guide decisions.
For organizations focused on accountability, adaptability and understanding how their pharmacy benefit actually works, unbundling is less about making a statement and more about gaining practical control over a critical and growing area of spend.
Lori Daugherty is the chief executive officer of RxLogic and has spent decades in the pharmacy benefit management industry.
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