PT - JOURNAL ARTICLE AU - Andrew Bazemore AU - Philip Diller AU - Mark Carrozza TI - The Impact of a Clinic Move on Vulnerable Patients with Chronic Disease: A Geographic Information Systems (GIS) Analysis AID - 10.3122/jabfm.2010.01.090103 DP - 2010 Jan 01 TA - The Journal of the American Board of Family Medicine PG - 128--130 VI - 23 IP - 1 4099 - http://www.jabfm.org/content/23/1/128.short 4100 - http://www.jabfm.org/content/23/1/128.full SO - J Am Board Fam Med2010 Jan 01; 23 AB - Background: Changing locations disrupts the populations served by primary health care clinics, and such changes may differentially affect access to care for vulnerable populations.Methods: Online geographic information systems mapping tools were used to define how the relocation of a family medicine center impacted access to care for black and Hispanic patients with chronic disease.Results: Maps created from practice management data revealed a distinct shift in black and Hispanic patients with chronic disease being served in the new location.Conclusions: Geographic information systems tools are valuable aids in defining changing service areas of primary health care clinics.