Health Areas - mattyschell/nyc-spatial-rolodex GitHub Wiki
The New York City Department of Health and Mental Hygiene (DOHMH) maintains health area boundaries. Health areas are used for reporting health statistics. Health Areas nest within Health-Centers.
Department of City Planning: Bytes of The Big Apple
https://www.nyc.gov/site/planning/data-maps/open-data/districts-download-metadata.page