Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Arthur Watson II, OD

Optometrist in Spokane, WA · enumerated 2025.

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

National Provider Identifier

1659163111

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Registry record

Entity type Individual (Type 1)

Name Dr. Arthur Watson II

Credential OD

Sex Male

Practice address 4815 N Assembly St, Spokane, WA, 99205

Phone (509) 434-7032

Enumeration date May 20, 2025

Last updated in NPPES Jun 4, 2025

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

152W00000X Optometrist Eye and Vision Services Providers · License 6171668 (ID) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

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

Where does Arthur Watson practice?

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

What is the NPI number for Arthur Watson?

The National Provider Identifier (NPI) for Arthur Watson is 1659163111, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-04.