Regional interoperability in practice: Lessons from Zuid-Limburg

Over the past months, I’ve had many conversations with healthcare leaders and technology partners about how hard data sharing in healthcare still is in practice. 

And I often find myself talking about what’s happening in the very south of the Netherlands: Zuid-Limburg. 

Not because the situation there is easy. Quite the opposite. Zuid-Limburg faces some of the most pressing healthcare challenges in the Netherlands. An aging population, a high burden of chronic disease, and serious workforce shortages create daily pressure on care providers. 

And maybe that urgency is exactly why things are now moving there. 

Recently, I spent time with the team behind RSO Zuid-Limburg, one of the most ambitious regional collaboration initiatives in the Netherlands. What I saw there is not just interesting from a technical point of view. It is a powerful example of how regions can take responsibility, build momentum, and create real impact for patients and caregivers. 

I believe there are important lessons here for many other regions and health systems. 

Why regional collaboration matters

In many discussions, the focus quickly turns to national programs and platforms. And that makes sense. National coordination is essential for standards, governance, and long-term infrastructure. 

But in practice, healthcare in many countries, including the Netherlands, is highly decentralized. Most care happens between organizations that already work together in the same region. 

National initiatives can also take time. While those frameworks are being developed, care organizations still need to solve very practical problems every day. 

This led to the creation of RSO Zuid-Limburg, a partnership bringing together hospitals, GPs, home care organizations, and others to improve data availability and coordination across care. Faced with urgent challenges, they chose to start where the impact would be most direct: in their own network. 

Open standards as a practical foundation 

One of the defining design principles behind the Zuid-Limburg initiative has been its emphasis on international open standards like FHIR and openEHR. This was not an ideological choice, but a pragmatic one. 

In complex healthcare environments where many organizations need to collaborate, the real long-term risk is not choosing vendors, it is locking clinical data into proprietary architectures that limit flexibility and make collaboration costly. Everyone needs to be able to participate. 

By building its regional data ecosystem on international open standards, the goal is to make sure the data stays at the source, organizations keep control, and new partners can join without rebuilding everything. It also makes it possible to connect to national initiatives later on. 

Open standards do not remove vendors from the picture. But they do make sure organizations stay in control of their data and their future. 

Starting small with a first use case

Turning these ideas into operational reality is never easy. One of the early challenges for RSO Zuid-Limburg was convincing boards and clinical leadership that this approach could work in practice. 

Here, the region chose a pragmatic path: start small, prove value, and build confidence step by step. Rather than trying to solve everything at once, RSO Zuid-Limburg began with a proof of concept around one concrete use case: Advance Care Planning. This early pilot was designed to show that data could flow securely and reliably across organizations in a real clinical scenario, with clear value for patients and caregivers. 

The positive results were shared with boards and decision-makers across participating organizations. For institutions that were initially hesitant, seeing real patient data exchanged securely and meaningfully across systems became a turning point.

Regional readiness

One of the participating organizations that was already well positioned for this was Zuyderland Hospital. 

Zuyderland invested early in a FHIR-based interoperability foundation, not in response to regulation, but as part of a long-term digital strategy. When the regional initiative started, the hospital was able to connect to the ACP pilot within days, reusing its existing infrastructure without redesigning systems. 

As Mirko Cruccas, Head of Data at Zuyderland, told us: 

“We’re not a software development company. We’re a hospital. Using proven components instead of building and maintaining everything ourselves saves us a huge technical burden and lets us focus on delivering care.” 

Today, the platform supports tens of thousands of patients across multiple care pathways. Digital access reduces unnecessary hospital visits, supports continuity of care, and relieves pressure on an already stretched workforce. 

This is perhaps the most important lesson of the Zuid-Limburg story so far: interoperability readiness is not an abstract IT goal. It is a direct enabler of better care, better use of scarce resources, and better outcomes for patients. 

You can read their full story in our recent case study.

What others can learn

What is happening in Zuid-Limburg is still only the beginning. With governance in place, financing secured, and vendors selected, the region is moving from pilots to building a production-grade healthcare data platform for many other planned use cases. 

But a few lessons already stand out: 

• Start from care, not from technology.
• Think regional, while staying connected to national strategy.
• Invest early in open standards.
• And involve professionals from the start.

What inspires me most is not that they have built a perfect system. It is that they dared to start.

They brought organizations together. They chose openness. They tested with real use cases. And they created momentum in a region that truly needs it.

Because in the end, interoperability is not about technology. It is about making sure caregivers have the full picture when they care for patients. 

And that, in my view, is always worth investing in.