NPI Portal NPI Lookup & Verification

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

Mrs. Kathryn Elizabeth Shaffer

Clinical Social Worker in Saint Albans, VT · enumerated 2022.

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

National Provider Identifier

1639809858

Verified

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Registry record

Entity type Individual (Type 1)
Name Mrs. Kathryn Elizabeth Shaffer
Sex Female
Practice address Saint Albans, VT, 05478
Enumeration date Jun 11, 2022
Last updated in NPPES Jul 12, 2022

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 089.0134757 (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.

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Frequently asked questions

What is the NPI number for Kathryn Shaffer?
The National Provider Identifier (NPI) for Kathryn Shaffer is 1639809858, a Type 1 (individual) record in the CMS NPPES registry.
Where does Kathryn Shaffer practice?
The practice location on file with NPPES is in Saint Albans, VT. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-12.