UnitedHealthcare provides health insurance benefits to more than 40 million people across the country. In the past decade, it has addressed housing as a social determinant of health at the national level through policy leadership and financial investments, and at the state level working with local communities to connect Medicaid participants to stable housing. Through this work, UnitedHealthcare has overcome a myriad of challenges associated with siloed health and housing fields at all levels of policy and implementation. This case study explores how this national health payer has integrated the housing needs of underserved populations into its strategic priorities for investment and programming. This case study is part of a larger report on Emerging Strategies for Integrating Health and Housing