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  1. Fonteum
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  3. Glossary
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  5. NPI vs DEA Number
Fonteum Data GlossaryProvider

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.

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.

Related terms

  • NPI Number
  • DEA Number
  • NPPES
  • Provider Credentialing
  • Exclusion Screening
  • LEIE

Explore in Fonteum

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

  • ToolNPI lookup tool
  • DataNPPES provider dataset
  • Use caseProvider credentialing data guide

Authoritative sources

  • CMS: NPIs↗
  • DEA Diversion Control Division: registration↗
← All glossary terms

What’s on file, by the numbers

Platform snapshot · 2026-07-15

13.4Mproviders & companiesProviders, organizations, owners, and facilities on file
26.2Msource-linked factsSource-linked field facts in the dated platform snapshot
—sources liveCrosswalk-resolved sources with a proved content transition in 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

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

© 2026 Fonteum LLC. All rights reserved.

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A public-records graph that exposes source and observation metadata where supplied.

Fonteum's provenance ledger contained 26.2M source-linked facts on July 12, 2026. All but 14 carried a source-file SHA-256; 0 linked deterministically to a signature. Inspect a supplied snapshot id at fonteum.com/verify · source-mark coverage and limitations.
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