What Does a Third-Party Administrator (TPA) Do in a Self-Funded Health Plan?

When employers begin exploring self-funded health plans, they often hear the term TPA. While insurance carriers are well known, Third-Party Administrators work behind the scenes and are responsible for much of what makes a self-funded health plan operate.

Choosing the right TPA is one of the most important decisions an employer can make. Not all TPAs are the same, and the differences can significantly impact provider access, claims administration, member experience, reporting, and overall plan performance.

What Is a TPA?

A Third-Party Administrator (TPA) is a company hired by the employer to administer a self-funded health plan.

Unlike an insurance company, a TPA does not insure the health plan or assume the financial risk. Instead, it performs the day-to-day administrative functions necessary to operate the plan.

Think of the TPA as the operating company behind your health plan.

What Does a TPA Do?

A quality TPA manages nearly every aspect of plan administration, including:

• Processing medical and pharmacy claims
• Issuing ID cards
• Providing member customer service
• Managing eligibility and enrollments
• Coordinating provider network access
• Handling COBRA administration
• Managing HIPAA compliance
• Producing claims reports and analytics
• Coordinating with stop-loss carriers
• Processing appeals and benefit determinations

In many ways, the TPA delivers the same experience employees expect from a traditional insurance carrier—but under a self-funded model.

Are TPAs Licensed?

Yes.

Most TPAs are licensed and regulated by the states in which they operate. They must comply with state regulations governing third-party administration, while self-funded employer health plans are generally regulated under the federal Employee Retirement Income Security Act (ERISA).

Professional TPAs also maintain sophisticated claims systems, security controls, compliance programs, and experienced claims staff to ensure plans operate efficiently and in accordance with applicable regulations.

Do All TPAs Offer the Same Provider Networks?

Absolutely not.

One of the biggest differences between TPAs is the provider networks they can access.

Some TPAs offer only a single network.

Others can administer plans using multiple national PPOs, regional health systems, direct provider contracts, or specialized network arrangements.

Depending on the TPA, available networks may include:

• Aetna
• Cigna
• UnitedHealthcare
• Blue Cross Blue Shield
• PHCS / MultiPlan
• Regional health systems
• Direct contract networks
• Reference-Based Pricing (RBP)

The provider network often has a greater impact on employee satisfaction than almost any other part of the health plan.

Can Every TPA Offer Reference-Based Pricing (RBP)?

No.

Reference-Based Pricing (RBP) requires specialized expertise.

Not every TPA has the technology, claims expertise, legal resources, provider advocacy, and member support necessary to administer an RBP health plan successfully.

Employers considering RBP should work with TPAs that have proven experience administering these plans and supporting members throughout the claims process.

Does Every TPA Offer the Same Services?

No.

Some TPAs focus on small employers.

Others specialize in large self-funded organizations.

Some provide advanced technology, robust reporting, wellness programs, care management, pharmacy management, and concierge member support, while others offer only basic claims administration.

The quality of the TPA can have a significant impact on:

• Member experience
• Claims accuracy
• Customer service
• Reporting capabilities
• Cost management
• Overall plan performance

Simply put, the TPA you choose matters.

How Memberly Matches Employers with the Right TPA

At Memberly, we believe there is no single TPA that is best for every employer.

Every business has unique goals, including:

• Lower healthcare costs
• Access to specific provider networks
• National or regional coverage
• Reference-Based Pricing
• Cash-flow objectives
• Workforce demographics
• Industry-specific needs
• Administrative preferences

Rather than forcing every employer into one solution, Memberly designs the health plan first, then matches the employer with the TPA best suited to administer that strategy.

This allows employers to benefit from the strengths of different TPAs while avoiding the limitations of a one-size-fits-all approach.

Strategy Before Administration

At Memberly, we view the TPA as one part of a much larger strategy.

We evaluate:

• Funding arrangement
• Provider network
• Stop-loss structure
• Pharmacy strategy
• Employer objectives
• Employee demographics
• Compliance requirements
• Claims funding approach

Only after the overall strategy is developed do we recommend the TPA that best fits the plan.

The result is a health plan designed around the employer—not around the administrator.

The Bottom Line

A Third-Party Administrator is much more than a claims processor. The right TPA becomes the operational backbone of a self-funded health plan, handling claims, customer service, provider networks, compliance, reporting, and day-to-day administration.

Because TPAs vary significantly in their capabilities, provider network access, technology, and areas of expertise, selecting the right administrator is critical.

At Memberly, we take a strategic approach by designing the health plan first and then partnering with the TPA that best aligns with the employer's goals, budget, workforce, and long-term healthcare strategy. That's how employers get the flexibility, transparency, and performance that self-funding is meant to deliver.

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