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

Arthur Xavier Guevara II

Independent Duty Corpsman in Silverdale, WA · enumerated 2025.

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

National Provider Identifier

1861292120

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Registry record

Entity type Individual (Type 1)
Name Arthur Xavier Guevara II
Sex X
Practice address Silverdale, WA, 98315
Enumeration date Mar 17, 2025
Last updated in NPPES Mar 17, 2025

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

Taxonomy & licenses

286500000X Military Hospital Hospitals Secondary
1710I1002X Independent Duty Corpsman Other Service Providers 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 Arthur Guevara?
The National Provider Identifier (NPI) for Arthur Guevara is 1861292120, a Type 1 (individual) record in the CMS NPPES registry.
Where does Arthur Guevara practice?
The practice location on file with NPPES is in Silverdale, WA. 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 2025-03-17.