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What is provider credentialing?

Full name: Health Care Provider Credentialing

Provider credentialing is the process by which health plans, hospitals, and health systems confirm a clinician's qualifications — license, education, training, board certification, and history — before granting privileges or network participation. Credentialing relies on primary-source data, and re-credentialing repeats it on a set cycle. Exclusion and sanction checks against federal lists are a standard part of the process.

Source file
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Published
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Retrieved
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Snapshot
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Data as of
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Last updated: 2026-07-11Reviewed by: Dr. Jennifer Montecillo, MDGullas College of Medicine, 2019. Non-practicing medical reviewer.

How it’s used

  • CMS NPPES NPI Registry: credentialing teams can inspect the submitted NPI, taxonomy, and practice fields in the public file; NPPES does not establish that a license or credential is current.
  • OIG LEIE (oig-leie): exclusion screening against the LEIE is a standard credentialing step, since an excluded provider cannot be paid by federal programs.
  • CMS PECOS Medicare Provider Enrollment: Medicare participation status from PECOS supports network and privileging decisions.
  • Fonteum resolves these sources to one provider record and preserves named-source and observation-date provenance where a field has a linked provenance row.

Frequently asked questions

What is provider credentialing?
Provider credentialing is the process health plans and hospitals use to confirm a clinician's license, training, board certification, and history before granting privileges or network participation.
How often is credentialing repeated?
Most organizations re-credential providers on a fixed cycle, commonly every three years, to confirm that licenses, certifications, and sanction status remain current.
Is exclusion screening part of credentialing?
Yes. Checking a provider against the OIG LEIE and other exclusion lists is a standard credentialing and re-credentialing step, because an excluded provider cannot be paid by federal health care programs.

Explore in Fonteum

How Fonteum sources, resolves, and publishes data tied to this term.

What’s on file, by the numbers

Platform snapshot · 2026-08-23

13.4Mproviders & companiesProviders, organizations, owners, and facilities on file
26.2Msource-linked factsSource-linked field facts in the dated platform snapshot
90sources with dataDistinct snapshot source IDs with at least one positive record count
70fresh sourcesDistinct source IDs whose latest positive-data snapshot falls within the preceding 45 days
111sources integratedActive registry rows; integration does not establish a load
13state Medicaid jurisdictionsDistinct states represented in the state-exclusions serving table

Integrated, with-data, and fresh-observation counts are separate. No platform-wide source-completeness count is published. Completeness is source-specific and must be evaluated against the named source's expected scope. State coverage is a separate jurisdiction measure.

Source authority is record-specific

Use the issuer named on the record.

Fonteum spans federal, state, and global public publishers. A source page or returned record identifies its issuer and dataset where that metadata is available. A platform registry count does not assign every page to one authority or establish loaded, fresh, or complete coverage.

Browse source records and their stated limitations →

Reproducible by design

Inspect the evidence each published figure actually supplies.

Source and date

Research pages expose the named public file and observation date where those fields are available. Source-file SHA-256 coverage is separate; facts do not currently link deterministically to signatures.

Available derivation

Studies with a retained release and committed derivation link the SQL or method used. Other studies state the evidence and reproduction limits they actually have.

Daily observations

Dated table row-count observations can detect local drift. They do not imply that an upstream publisher released or Fonteum ingested new data that day.

Named medical review

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

Read the full provenance and attestation methodology →

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