The architecture can promote patients health. Accessibility, safety and care quality can be built into the design of healthcare environments. The current planning process has been criticized to be guided by technical solutions rather than the users’ needs and a lack of correspondence between the goal of the organization and the planning process. We used the system dynamics (SD) modeling method to facilitate the pre-planning process (before architectural design details are presented) of new healthcare environments. SD is an interactive computer-based method that is suitable for use with a group-modeling approach with a focus on learning, which is facilitated through the construction of simple models of the system that help the user to experiment with and study the behavior of these models. The aim of using SD was to strengthen the understanding of the healthcare organization and its care processes, enhance the integration of scientific knowledge related to care processes and architecture. A case study design was used in five different healthcare settings. The participants built the model in collaboration through a reflective and iterative process of learning about their organization/system to contribute to the planning process. The preliminary results show that we succeeded in turning the discussions toward the work and related care processes as a basis for further planning of the building.