Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dan Johnson, PHD

Clinical Neuropsychologist in Jonesboro, AR · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1720004716

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Registry record

Entity type Individual (Type 1)

Name Dan Johnson

Credential PHD

Sex Male

Practice address 1201 Fleming Ave, Jonesboro, AR, 72401

Phone (870) 933-5174

Fax (870) 933-5235

Enumeration date Jul 14, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

103G00000X Clinical Neuropsychologist Behavioral Health & Social Service Providers · License 0110P (AR) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier	Type	State	Issuer
5F374	Other	AR	MEDICARE GROUP #

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Dan Johnson?

Dan Johnson is registered in NPPES with the primary taxonomy of Clinical Neuropsychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.