Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew W Ashton, PHD

Psychologist in Chubbuck, ID · enumerated 2024.

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

National Provider Identifier

1508691890

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Registry record

Entity type Individual (Type 1)

Name Matthew W Ashton

Credential PHD

Sex Male

Practice address 265 E Chubbuck Rd, Chubbuck, ID, 83202

Phone (208) 237-1711

Fax (208) 237-9806

Enumeration date Sep 5, 2024

Last updated in NPPES Sep 5, 2024

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License PSY-203057 (ID) Primary

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

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 Matthew Ashton?

Matthew Ashton is registered in NPPES with the primary taxonomy of Psychologist. 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 2024-09-05.