Step 1.
Hospital list in here, click to see
don't have address and latitude, longitude, can not be used 911 system.
Step 2.
USGS national data set does has hospital list of layers, see here
Step 3.
hospital list in hrsa gis dataset is much better, since hrsa is authority of all hospital and heathcare
https://transparentgov.net/json2tree/esri/server/folder2.html?org=https%3A%2F%2Fgisportal.hrsa.gov%2Fserver%2Frest%2Fservices&url=https%3A%2F%2Fgisportal.hrsa.gov%2Fserver%2Frest%2Fservices&select_folder=82&select_layer=1&arcgis_online_token=&select_folder_text=HealthCareFacilities+%3Csup%3EMapServer%3C%2Fsup%3E&select_layer_text=1+%26%23x21E2%3B+Hospitals+%3Csup%3EFeature+Layer%3Csub%3E+esriGeometryPoint%3C%2Fsub%3E%3C%2Fsup%3E
Step 4.
click my location button, to see all hospital around your location
hospital list in hrsa gis dataset
https://transparentgov.net/json2tree/gateway/google-efficient-engine/core-1x-marker.html?layer_id=1&layer=Hospitals¢er_lat=33.81390168143248¢er_long=-118.10464869923699¢er_zoom=9&url=https%3A%2F%2Fgisportal.hrsa.gov%2Fserver%2Frest%2Fservices%2FHealthCareFacilities%2FHealthCareFacilities%2FMapServer&panto=0
Step 5.
hrsa does have hospital address and lat long information, so can be used in 911.
also hrsa has other health care facility, potentially can be used in future.
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