Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Carol Thornhill

Clinical Social Worker in Clearfield, UT · enumerated 2015.

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

National Provider Identifier

1396121414

Verified

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Registry record

Entity type Individual (Type 1)

Name Carol Thornhill

Sex Female

Practice address Clearfield, UT, 84015

Phone (801) 825-4876

Fax (801) 825-1016

Enumeration date Jul 31, 2015

Last updated in NPPES Jul 31, 2015

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 7779028-3501 (UT) Primary

Other identifiers

Identifier	Type	State	Issuer
7779028-3501	Other	UT	DEPARTMENT OF OCCUPATIONAL AND PROFESSIONAL LICENSING - UTAH

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 is the NPI number for Carol Thornhill?

The National Provider Identifier (NPI) for Carol Thornhill is 1396121414, a Type 1 (individual) record in the CMS NPPES registry.

Where does Carol Thornhill practice?

The practice location on file with NPPES is in Clearfield, UT. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-31.