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NPI vs DEA number: what is the difference?

An NPI identifies a health care provider in HIPAA and Medicare data. A DEA number identifies a registrant authorized by the Drug Enforcement Administration to handle controlled substances. NPIs are public through NPPES; DEA status requires separate DEA records. A provider may have an NPI without any DEA registration.

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CMS: NPIs
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Full name: National Provider Identifier Compared with DEA Registration Number

Short explanation

The National Provider Identifier is a CMS-administered identifier for HIPAA-covered providers and organizations. A DEA registration number is issued under the Controlled Substances Act to practitioners, facilities, pharmacies, researchers, manufacturers, and distributors that handle controlled substances. The NPI is a provider identity key; the DEA number is a controlled-substance registration key. They answer different credentialing questions and should not be substituted for each other.

Related tool: NPI lookup tool

Last updated: 2026-07-11Reviewed by: Dr. Jennifer Montecillo, MD — Gullas College of Medicine, 2019. Non-practicing medical reviewer.

How it’s used

  • NPPES lookup: an NPI links a provider to public name, address, taxonomy, and enumeration data.
  • Controlled-substance workflows: a DEA number appears in prescribing, pharmacy, and registration-status workflows for controlled substances.
  • Fonteum stores NPI-sourced provider identity separately from DEA concepts, so an NPI match is never treated as proof of controlled-substance authority.

Frequently asked questions

Is an NPI the same as a DEA number?
No. An NPI identifies a health care provider for HIPAA and Medicare data; a DEA number identifies a controlled-substance registrant.
Can a provider have an NPI but no DEA number?
Yes. Many providers need an NPI for administrative transactions but do not prescribe or handle controlled substances and therefore may not hold a DEA registration.
Can a DEA checksum show current registration status?
No. A checksum can catch some typing errors, but current status and schedules require separate DEA registration records or documentation.

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What’s on file, by the numbers

Platform snapshot · 2026-08-12

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
73fresh 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.

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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.

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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.

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