Data sources
The controlled pilot is healthcare-only. Its current release uses versioned federal provider and exclusion records, with source hashes and provenance retained for reproducibility.
Serving release
july_2026_r1
Built July 18, 2026 · serving contract healthcare-serving-v1 · 50 of 50 sampled graph edges traced to exact source fields during release validation.
Centers for Medicare & Medicaid Services
Source release: July 13, 2026
NPI identity, provider names, practice and mailing fields, taxonomy, registry dates, telephone fields, and authorized officials.
NPPES registration does not establish ownership, conduct, billing activity, intent, or current legal status. Fields may be historical or entered by the provider.
HHS Office of Inspector General
Source release: June 2026 complete active file
Exclusion-source records and selected identity fields used to produce exact or candidate-level review leads.
Names can collide, reinstatement or status may change, and a candidate match is not proof that the provider root is the excluded subject.
| Layer | Rows | Interpretation |
|---|---|---|
| NPPES source records | 9,671,888 | Current provider registry release |
| LEIE source records | 83,665 | Complete active exclusion file |
| Active unsuppressed leads | 27,114 | Lead rows available for review |
| Connected NPI roots | 26,046 | Every selected root has a source-supported neighbor |
| Graph nodes | 105,044 | Provider, address, telephone, official, and source nodes |
| Graph edges | 94,362 | Literal source-field relationships |
Source publication, retrieval, and product release dates are not the same. A user must recheck the current publisher record before relying on status, identity, address, telephone, or official information. SentinelGraph cannot correct an upstream federal record.
Important disclaimer: SentinelGraph is an investigative lead source based on public records. A lead, priority score, shared address, telephone number, official, or graph edge is not a finding or accusation of fraud, wrongdoing, liability, intent, eligibility, or regulatory status. Verify the original sources and make an independent human assessment. Sentinel Graph LLC does not provide legal advice or create a professional relationship through this site.