As National Node
National Nodes coordinate OHDSI activities at a national level and connect national stakeholders to the wider OHDSI network. National Nodes operate independently while aligning with shared principles of openness, transparency, and collaboration.
Currently, 18 nodes are active across 26 OMOP-adopting countries in Europe. Please contact us if you are interested in starting an OHDSI Europe National Node in your country, we are happy discuss the opportunities and help you get started.
- Existing National Nodes — see who is already active — View map
- National Node Annual Reports — Latest annual node report
- Letter of intent to start an OHDSI Europe National Node — Download template
Each National Node is coordinated by a lead institution, supported by a co‑lead or a national core group. At least one of these lead or co-lead institutions should be a public partner, such as an academic institution, knowledge center, or hospital, to anchor the node in the public and research domain. Nodes operate through open, community-driven principles, with lightweight governance suited to the local context. As nodes grow, many are developing more structured models to support sustainable coordination, vocabulary maintenance, and long-term capacity building.
All OHDSI Europe National Nodes must adhere to the following:
How to Establish a National Node?
To establish a national node the following process should be followed:
1. Submit a letter of intent to the European OHDSI coordinating center by email:
The letter must include:
- A list of all current node members; the list must include collaborators from multiple organisations.
- A list of Data Partners with information on the status of the OMOP CDM ETL.
- A description outlining the node’s aims and objectives.
2. The OHDSI Europe coordinating center will review the application. When approved, an intake interview will be planned between the European coordinating center and the National Node leadership.
3. An MS Teams channel will be created for the National Node in the European OHDSI Teams environment, and a dedicated website page will be co-created.