The study investigates how migration affects outpatient care use among veterans who have experienced housing instability. It examines changes in healthcare utilization patterns following relocation, aiming to understand the impact of housing instability on access to medical services. The research uses data from the Veterans Health Administration (VHA) and focuses on outpatient visits before and after the veterans’ migration. The findings suggest that migration can lead to alterations in outpatient care usage, highlighting the need for targeted interventions to ensure continuous and effective healthcare services for this vulnerable population. The study underscores the importance of addressing housing instability to improve health outcomes among veterans.