Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Nancy Ross Anibarro, O.D.

Optometrist in Seattle, WA · enumerated 2006.

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

National Provider Identifier

1043257660

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Registry record

Entity type Individual (Type 1)

Name Dr. Nancy Ross Anibarro

Credential O.D.

Sex Female

Practice address 2505 2nd Ave Ste 200, Seattle, WA, 98121

Phone (206) 520-5000

Enumeration date Jun 1, 2006

Last updated in NPPES Aug 18, 2020

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OP00003822 (WA) Primary

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

Other identifiers

Identifier	Type	State	Issuer
1043257660	Medicaid	WA	-

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

What is the NPI number for Nancy Anibarro?

The National Provider Identifier (NPI) for Nancy Anibarro is 1043257660, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nancy Anibarro practice?

The practice location on file with NPPES is in Seattle, 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 2020-08-18.