Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Caitlin Thornton, ATC

Athletic Trainer in Williston, VT · enumerated 2014.

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

National Provider Identifier

1639591373

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Registry record

Entity type Individual (Type 1)

Name Caitlin Thornton

Credential ATC

Sex Female

Practice address 30 Hawthorne St, Williston, VT, 05495

Phone (802) 876-6000

Enumeration date Jan 15, 2014

Last updated in NPPES Jan 15, 2014

Taxonomy & licenses

2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 1040100624 (VT) Primary

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

Is NPI 1639591373 active?

Yes, as of the latest NPPES snapshot, NPI 1639591373 is active (record last updated 2014-01-15).

How do I verify Caitlin Thornton's NPI record?

Cross-check NPI 1639591373 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-01-15.