Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Eileen Pfefferle, LSW

Clinical Social Worker in Thornton, CO · enumerated 2016.

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

National Provider Identifier

1043754732

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Registry record

Entity type Individual (Type 1)

Name Eileen Pfefferle

Credential LSW

Sex Female

Practice address 8931 Huron St, Thornton, CO, 80260

Phone (303) 853-3500

Enumeration date Dec 14, 2016

Last updated in NPPES Dec 14, 2016

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LSW.0009921283 (CO) 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.

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Frequently asked questions

What is the NPI number for Eileen Pfefferle?

The National Provider Identifier (NPI) for Eileen Pfefferle is 1043754732, a Type 1 (individual) record in the CMS NPPES registry.

Where does Eileen Pfefferle practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-12-14.