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Dataset family

CMS Open Payments

CMS — Open Payments. 15.6M records. Snapshot May 2026.

Dataset spec

dataset_idcms-open-payments
snapshot_dateMay 2026
sha256Computed per snapshot — see /trust/integrity
doi10.5072/fonteum.dataset.cms-open-payments (reserved)
update_cadenceSee methodology
licenseUS Government Works (public domain, 17 U.S.C. §105)

Studies citing CMS Open Payments (7)

  • Industry payments to providers on the OIG exclusion list
    2026-06-14 · 10 min
  • The 1% of doctors who get two-thirds of industry money
    2026-06-14 · 11 min
  • GLP-1 makers paid 120,237 Medicare prescribers $32.8 million in 2024 — and the prescribers they paid wrote far more
    2026-06-12 · 12 min
  • Industry payments to physicians by state: where the money lands
    2026-06-12 · 10 min
  • Which companies pay U.S. doctors the most? Device makers, not pharma
    2026-06-12 · 11 min
  • Which medical specialties take the most industry money?
    2026-06-12 · 11 min
  • What pharma actually buys: food, travel, consulting and royalties
    2026-06-12 · 10 min
All research →

Built on the authoritative federal record

The primary sources, named on every page.

These are the federal agencies whose public datasets Fonteum ingests and attributes — the issuing authorities, not customers or partners. Every figure on the site links back to one of them.

  • CMS
  • HHS-OIG
  • HRSA
  • FDA
  • NLM
  • NUCC
  • Census
  • BLS
  • BEA

See the full source registry, with license and refresh cadence for each →

Reproducible by design

Every figure traces to its federal source.

14-tuple provenance

Every rendered fact ties to a source URL, dataset ID, snapshot date, row key, and SHA-256 — the full chain-of-custody record.

Reproducible SQL

Each study ships the exact query behind its figures, run against the cited federal snapshot. Re-run it yourself.

Daily reconciliation

Published counts are reconciled against the upstream federal datasets on a daily cadence, with drift logged.

Named medical review

Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer.

Read the full provenance and attestation methodology →

Two doors

Use the free API and open data

Query providers, facilities, sanctions, and quality scores — each field carrying its federal source. Self-serve, no call to start.

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Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer.

© 2026 Fonteum LLC. All rights reserved.

The U.S. healthcare graph AI can cite — every fact carries its source.

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The substrate, by the numbers

9.2Mgraph entitiesProviders, organizations, owners, and facilities
13.4Mlinked identifiersNPIs, CCNs, LEIs and more, resolved to entities
4.7Mgraph edgesSource-attested relationships between entities
44federal source familiesDistinct CMS, OIG, HRSA, FDA and peer datasets
35dataset pagesCitable, downloadable /data catalog pages
52reproducible studiesEach shipping the SQL behind its figures