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Federal healthcare data infrastructure

The source-provenanced healthcare provider graph, callable by AI agents.

22 federal source families. FHIR R4 endpoints. Row-level provenance on every field — source, agency, snapshot date, license, and sha256 attestation.

22federal source familiesCMS, OIG, HRSA, BLS and more
26registered sourcesDocumented on /sources
13dataset pagesExplorable at /data
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4,127 records reconciled · 04:12 UTCNPPES daily snapshot · v2026.05.0PECOS weekly snapshot · 2026-05-0422 federal source families · all primary-sourceCare Compare · quarterly refresh currentOIG LEIE · 68,055+ exclusions · monthly refreshHRSA HPSA · monthly snapshot · 2026-05-03QPP MIPS · 477,137 PY2023 clinician scoresAudit pack endpoint · 187ms p95Methodology v2026.05.0 stamped on every export4,127 records reconciled · 04:12 UTCNPPES daily snapshot · v2026.05.0PECOS weekly snapshot · 2026-05-0422 federal source families · all primary-sourceCare Compare · quarterly refresh currentOIG LEIE · 68,055+ exclusions · monthly refreshHRSA HPSA · monthly snapshot · 2026-05-03QPP MIPS · 477,137 PY2023 clinician scoresAudit pack endpoint · 187ms p95Methodology v2026.05.0 stamped on every export

26 sources. One provenance graph.

Every source family is documented with its agency, refresh cadence, license, jurisdiction coverage, and field-level limitations. No black boxes. No aggregator intermediaries.

CMS · Daily snapshot

NPPES NPI Registry

The primary provider identity spine. Every licensed provider in the United States with an active NPI. FHIR Practitioner + Organization resources built directly from this source.
Tier 2 · US-Government-Works · 10M+ records[1]

CMS Care Compare · Monthly

Nursing Home, Home Health, Hospice, Dialysis, ASC

Quality ratings, staffing levels, inspection deficiencies, and penalty history for 50,000+ facilities. The deepest federal quality signal available without a data-use agreement.
Tier 2 · US-Government-Works · 5 facility types[3]

OIG · Monthly

LEIE Exclusions Database

Federal exclusion list for individuals and entities barred from participation in Medicare, Medicaid, and other federal healthcare programs. Sanction layer on every provider profile.
Tier 2 · US-Government-Works · 68,055 records[4]

HRSA · Quarterly

Health Professional Shortage Areas

HPSA designation data for primary care, dental, and mental health shortage areas. Overlaid as a coverage-quality signal on provider and facility profiles.
Tier 1 · US-Government-Works · all 50 states + territories[5]

CMS PECOS · Monthly

Provider Enrollment & Chain Ownership

Medicare enrollment status, group practice affiliations, and revalidation dates. The chain-ownership backbone that links individual providers to organizational entities.
Tier 2 · US-Government-Works · Medicare enrollment spine[2]

14 fields of provenance on every data point.

Every numeric, named-entity, and boolean field in the Fonteum graph carries 14 provenance fields: source name, agency, collection method, snapshot date, jurisdiction, field-level limitation, license, confidence score, sha256 hash, methodology version, and Ed25519 witness co-signature.

No field is displayed without a traceable row in provider_field_provenance. Read the full methodology →

The Registry

22 federal source families, cited per field.

Every value Fonteum surfaces traces to one of the registered sources below. Each cite carries the source URL, dataset ID, snapshot date, refresh cadence, and license posture. State contractor boards and restricted-distribution registries — state-bar, NMLS, ABMS — are explicitly excluded.
#
Source
Dataset ID
Snapshot
Cadence
License
Direct provider dataDirect provider data19 sources
01
CMS NPPES
npiregistry.cms.hhs.gov
2026-05-07
Daily
Open
02
CMS PECOS
data.cms.gov · pecos-base
2026-05-04
Weekly
Open
03
CMS POS iQIES
data.cms.gov · 4pq5-n9py
2026-05-04
Quarterly
Open
04
CMS Care Compare — NH
data.cms.gov · care-compare
2026-05-04
Quarterly
Open
05
CMS Care Compare — HH
data.cms.gov · 6jpm-sxkc
2026-05-04
Quarterly
Open
06
CMS Care Compare — Hospice
data.cms.gov · yc9t-dgbk
2026-05-04
Quarterly
Open
07
CMS Care Compare — Dialysis
data.cms.gov · 23ew-n7w9
2026-05-04
Quarterly
Open
08
CMS Care Compare — ASC
data.cms.gov · vqsr-zcz8
2026-05-04
Quarterly
Open
09
CMS PBJ Staffing
data.cms.gov · pbj-quality
2026-05-01
Quarterly
Open
10
CMS SNF All Owners
data.cms.gov · snf-owners
2026-05-01
Annual
Open
11
CMS NH Deficiencies
data.cms.gov · nh-defic
2026-05-01
Quarterly
Open
12
CMS NH Penalties
data.cms.gov · nh-penalties
2026-05-01
Quarterly
Open
13
CMS SFF
data.cms.gov · sff
2026-05-01
Quarterly
Open
14
CMS QPP MIPS
qpp.cms.gov · mips
2026-05-24
Annual
Open
15
CMS HCRIS
data.cms.gov · hcris-2552-10
2026-05-24
Annual
Open
16
CMS Open Payments
openpaymentsdata.cms.gov
2026-05-24
Annual
Open
17
OIG LEIE
oig.hhs.gov · exclusions
2026-05-01
Monthly
Open
18
HRSA HPSA
data.hrsa.gov · hpsa
2026-05-03
Monthly
Open
19
HRSA UDS
data.hrsa.gov · uds
2026-05-24
Annual
Open
Workforce & economic contextHealthcare workforce & economic context3 sources
20
BLS OEWS
bls.gov · oes
2026-04-30
Annual
Open
21
BEA Regional
bea.gov · regional
2026-04-15
Annual
Open
22
Census PEP
census.gov · pep-v2025
2026-04-01
Annual
Open

Live data sample — 14 provenance fields per row

rows

Every row traceable to its federal source.

22 federal source families reconciled into one graph. Click the number to inspect its 14-field provenance record.

Browse the full source registry →
Source: Fonteum aggregate — 22 federal source families·Snapshot: 2026-05-27·Method: fonteum/aggregate/v2026.05·ID: fonteum-aggregate

Primary federal sources

  1. [1]Centers for Medicare & Medicaid Services. National Plan and Provider Enumeration System (NPPES) NPI Registry — Daily Snapshot. npiregistry.cms.hhs.gov. Accessed 2026-05-07.
  2. [2]Centers for Medicare & Medicaid Services. Provider Enrollment, Chain, and Ownership System (PECOS) — Revalidation & Enrollment Public Use Files. data.cms.gov. Accessed 2026-05-04.
  3. [3]Centers for Medicare & Medicaid Services. Care Compare Provider Data — Nursing Home, Home Health, Hospice, Dialysis, ASC. data.cms.gov. Accessed 2026-05-04.
  4. [4]Office of Inspector General, U.S. Department of Health & Human Services. List of Excluded Individuals and Entities (LEIE) — Monthly Exclusion File. oig.hhs.gov. Accessed 2026-05-01.
  5. [5]Health Resources & Services Administration (HRSA). Health Professional Shortage Area (HPSA) Designation Files. data.hrsa.gov. Accessed 2026-05-03.
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Compliance posture

Methodology · Corrections log · Editorial policy

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Product

  • Data
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  • Methodology
  • Sources
  • Freshness
  • Citations
  • Moat metrics

For buyers

  • AI agents
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Reference

  • Compare
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  • Agent card
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  • Press & media

Sourced from federal agencies. Fonteum, Inc., Delaware C-corp. © 2026.

Fonteum is a US healthcare provenance registry.

About Fonteum ›

Fonteum is a US healthcare provenance registry that publishes signed, chain-of-custody-attested research and data pages on Medicare, Medicaid, and federal regulator datasets, drawing from 22 federal source families across CMS, OIG, HRSA, AHRQ, and HHS.

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1,322,867 nurse-staffing records · CMS PBJ