Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katherine Gasser

Registered Nurse in Castle Rock, CO · enumerated 2025.

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

National Provider Identifier

1033070065

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Registry record

Entity type Individual (Type 1)

Name Katherine Gasser

Sex Female

Practice address 2350 Meadows Blvd, Castle Rock, CO, 80109

Phone (720) 455-5000

Enumeration date Nov 19, 2025

Last updated in NPPES Nov 19, 2025

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 1664453 (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

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.

What specialty is Katherine Gasser?

Katherine Gasser is registered in NPPES with the primary taxonomy of Registered Nurse. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-19.