BRADY SIH Kaiser Permanente HILLARY CAREY Winnow Research MICHAEL C. LIN Kaiser Permanente Cast Study—In 2014, Kaiser Permanente began implementing a next-generation medical office model that reimagines the outpatient care experience, combining new architecture, workflow, and technology to create a more convenient experience for patients and a connected, efficient experience for staff and care teams. As the first next-gen facilities were being built, challenges emerged as teams across a variety of disciplines attempted to translate the model's vision into reality. Teams were making design and operational decisions in parallel, without the ability to see how their decisions impacted the overall user experience. To resolve these challenges, our innovation team at Kaiser Permanente used a hybrid make-and-observe method of prototyping and ethnography. Employing a co-creation mindset (Bødker and Grønbaek 1991), we engaged staff and patients to help us bring the future state of these next-gen clinics to life in a minimally viable way....