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Noise in hospitals can significantly affect patients and healthcare staff, disrupting physiological processes and contributing to stress, annoyance, and reduced well-being. Although indoor hospital acoustics have been widely investigated, the acoustics of outdoor healthcare spaces remain under-explored, despite their potential to support healing environments. As part of a three-year project, the acoustic environment of Sant'Orsola University Hospital in Bologna, Italy, is being investigated. An integrated methodology combined acoustic monitoring, numerical modelling, and two participatory soundwalks conducted in accordance with ISO 12913-2. Forty-two participants assessed locations using validated Italian soundscape descriptors. Results show a soundscape characterized by anthropogenic sources, particularly internal traffic, service vehicles, ambulances and construction activities, whereas natural sounds are limited to courtyards, green areas, and locations near water features. The Circumplex Model establishes baselines for ISO pleasantness and ISO eventfulness. This supports defining target values and evaluating whether design interventions move the soundscape towards the desired perceived state. This study demonstrates how integrating perceptual and physical data can support the identification of critical areas and inform human-centred design strategies. By emphasising the importance of considering the soundscape from the earliest planning stages, these findings contribute to the development of multidisciplinary guidelines to improve the restorative and supportive outdoor environments for healthcare.