UDS data are used throughout the Mapper. The number of Health Center Program (HCP) awardees and/or look-alikes serving a ZCTA, the total number of HCP awardee and/or look-alike patients, several percent change in patient measures, patients by insurance type and health center dominance are taken directly from the cleaned and verified UDS data presented to us on behalf of HRSA. There are also several calculated main map layers which use both 2018 UDS data and 2013-2017 American Community Survey (ACS) data at the ZCTA level: Individuals not served by health centers by insurance type and the health center penetration of the low income and total populations (at the ZCTA level). The Information Card Deck feature associated with Health Center Administrative Locations in the Explore Service Area tool offers Patient Characteristics, Patient Demographics, Costs, and Services details.