Data sources

Every metric traces to public publishers. HMG calculates county aggregates; we do not invent ratings or patient-level data. Current bundle: HMG fixture CMS 2026 Q1 · ACS 2023 demographics.

• Home Health Care Agencies

  Centers for Medicare & Medicaid Services

  Identifier: 6jpm-sxkc · Adapter 1.1.0 · As published by CMS (often monthly/quarterly)

  Provider roster, headquarters, quality stars, ownership, services

  Fields: CCN; provider name; address; city; state; ZIP; phone; ownership type; certification date; quality of patient care star rating; services offered flags

  Official source

• Home Health Care ZIP Codes

  Centers for Medicare & Medicaid Services

  Identifier: m5eg-upu5 · Adapter 1.1.0 · As published by CMS with provider files

  Reported service ZIP set for county service presence

  Fields: CCN; ZIP code

  Official source

• HHCAHPS Provider Data

  Centers for Medicare & Medicaid Services

  Identifier: ccn4-8vby · Adapter 1.1.0 · As published on CMS Home Health Services topic

  Patient-experience stars and survey volume

  Fields: CCN; survey summary star; completed surveys; response rate

  Official source

• HUD-USPS ZIP Code Crosswalk

  U.S. Department of Housing and Urban Development

  Identifier: hud-usps-zip-county · Adapter 1.1.0 · Quarterly HUD releases

  Primary county assignment for each ZIP

  Fields: ZIP; county FIPS; total address ratio; residential address ratio

  Official source

• American Community Survey (county demographics)

  U.S. Census Bureau

  Identifier: acs-5yr · Adapter 1.1.0 · Annual ACS multi-year releases

  Older-adult population denominator for density metrics

  Fields: total population; population 65 years and over

  Official source

• Hospice Care Provider Data

  Centers for Medicare & Medicaid Services

  Identifier: yc9t-dgbk+252m-zfp9+gxki-hrr8 · Adapter 1.0.0 · As published on CMS Hospice Care topic (often quarterly)

  Hospice facility roster, quality stars, ownership (facility ZIP → county)

  Fields: CCN; facility name; address; city; state; ZIP; ownership type; certification date; quality of patient care star; family caregiver survey star

  Official source

• Nursing Homes Provider Data

  Centers for Medicare & Medicaid Services

  Identifier: 4pq5-n9py · Adapter 1.0.0 · As published on CMS Nursing Homes topic

  SNF roster, beds, multi-domain stars, SFF flags (facility ZIP → county)

  Fields: CCN; provider name; address; ownership type; number of certified beds; overall star rating; health inspection star; staffing star; quality measure star; special focus facility

  Official source

• Health Professional Shortage Areas

  Health Resources and Services Administration

  Identifier: hpsa · Adapter 1.0.0 · HRSA designation updates (ongoing; quarterly summaries)

  Primary care, dental, and mental health shortage designations by county

  Fields: HPSA ID; HPSA name; discipline; designation type; status; HPSA score; FTE short; population; rural status; county FIPS

  Official source