Person-centered care (PCC) has many definitions, most based on expert opinion rather than empirical analysis. This study used an empirical concept mapping approach to identify core components of PCC used in long-term services and supports (LTSS). Results yielded six key domains: Enacting Humanistic Values, Direct Care Worker Values, Engagement Facilitators, Living Environment, Communication, and Supportive Systems. Researchers can use the results to build a comprehensive, unified measure of PCC practices, while clinicians can use the information to accelerate understanding and adoption of effective PCC practices.