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Fonteum · Tools

Free public tools — source-provenanced, no signup.

Each tool surfaces the same source-provenanced data that powers our research and audit-pack export — packaged for the question a journalist, policy researcher, or compliance analyst is most likely to ask. Free, no signup, every figure traceable to the underlying federal-source dataset.

Live tools

  • Live
    NPI Provider Lookup
    Look up any healthcare provider by NPI number or name. Real-time data from the CMS NPPES National Plan and Provider Enumeration System with field-level source provenance. Free, no signup.
  • Live
    Provider Access Gap Lookup
    Per-100k provider density for any U.S. state or ZIP, across 13 medical specialties. Source-provenanced (NPPES + Census PEP V2025). Free, no signup.
  • Live
    Nursing Home Deficiency Explorer
    Filter 418,148 CMS deficiency citations by state, category, and harm flag. Ranked by total citation count per facility. Source: CMS NH Health Deficiencies (r5ix-sfxw). Free, no signup.
  • Live
    OIG LEIE Exclusion Search
    Search 68,000+ federal exclusion records from the HHS OIG List of Excluded Individuals/Entities. Search by name, organization, or NPI. Monthly refresh, source-provenanced. Free, no signup.
  • Live
    MIPS Score Lookup
    Look up CMS QPP MIPS scores by physician name, NPI, or specialty. 540K+ clinicians, PY2023 data — final score, score band, payment adjustment %, source-provenanced. Free, no signup.

More tools in development

Additional tools will surface state-level OIG LEIE concentration, per-facility CMS Care Compare lookups by CCN or NPI, and per-state nursing-home staffing comparisons. If you have a specific question that would benefit from a free public tool, let us know — we prioritize toolbuilds based on journalist + analyst signal.

Suggest a tool → · Research studies → · Audit-pack export endpoint →

Compliance posture

Methodology · Corrections log · Editorial policy

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.

Explore the API →Browse the data catalog →

Talk to us

Managed pilots, enterprise terms, and audit-ready, signed attestation packages for compliance, risk, and research teams.

Talk to us →
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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
12.5Mlinked 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
33dataset pagesCitable, downloadable /data catalog pages
47reproducible studiesEach shipping the SQL behind its figures