Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Doyle Richard Johnson, M.D.

Specialist in Little Rock, AR · enumerated 2006.

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

National Provider Identifier

1710967278

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Registry record

Entity type Individual (Type 1)

Name Doyle Richard Johnson

Credential M.D.

Sex Male

Practice address 500 S University Ave, Suite 318, Little Rock, AR, 72205

Phone (501) 664-8000

Fax (501) 664-5014

Enumeration date Jan 20, 2006

Last updated in NPPES Sep 14, 2015

Taxonomy & licenses

174400000X Specialist Other Service Providers · License C4546 (AR) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
104706001	Medicaid	AR	-

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 Doyle Johnson?

Doyle Johnson is registered in NPPES with the primary taxonomy of Specialist. 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 2015-09-14.