Dartmouth Health Atlas Crosswalks and Boundary Files Data Sources May 20, 2014August 20, 20200 Dartmouth Health Atlas offers downloadable crosswalk files as well as geographic boundary files. Zip code to HSA to HRR crosswalk files allow the user to aggregate data you may have at the Zip code level to the hospital service area (HSA) or hospital referral region (HRR) level. Zip
Dartmouth Health Atlas Data Sources March 31, 2014December 13, 20190 For more than 20 years, the Dartmouth Atlas Project has documented glaring variations in how medical resources are distributed and used in the United States. The project uses Medicare data to provide comprehensive information and analysis about national, regional, and local markets, as well as individual hospitals and their affiliated