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Medicare-certified home health agencies by county
Medicare-certified home health agencies by California county from the CMS Home Health Care Agencies dataset. Each agency is counted in the county where its CMS practice-address ZIP falls - not every agency that serves residents there. A headquarters in a neighboring county (for example South San Francisco or Daly City in San Mateo County) is counted in that county even when it routinely cares for San Francisco patients. For a broader count of home-health provider organizations (NPI-2), see home health providers by county. Each row links to the official CMS catalog.
Medicare HH agencies (practice ZIP) by county
Counties are shaded by how many CMS-listed agencies have a practice address in that county. Low counts in dense counties often reflect nearby headquarters across a county line - open the table or map popup for the official CMS source.
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Counts are Medicare-certified home health agencies from the CMS Provider Data Catalog - not NPPES provider organizations and not agencies inferred from service areas. Each agency is counted in the county where its CMS practice-address ZIP falls - not every agency that serves residents there. A headquarters in a neighboring county (for example South San Francisco or Daly City in San Mateo County) is counted in that county even when it routinely cares for San Francisco patients. A few practice ZIPs outside the Census ZCTA crosswalk are omitted rather than guessed. Quality star ratings are in the CMS dataset; this page counts agencies only.
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