Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christine Chiyeko Ishikawa, O.D.

Optometrist in Honolulu, HI · enumerated 2008.

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

National Provider Identifier

1689822793

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Registry record

Entity type Individual (Type 1)

Name Christine Chiyeko Ishikawa

Credential O.D.

Sex Female

Practice address 333 Keahole St Bldg A, Honolulu, HI, 96825

Phone (808) 395-6578

Enumeration date Sep 3, 2008

Last updated in NPPES Apr 7, 2010

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 624 (HI) 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

Is NPI 1689822793 active?

Yes, as of the latest NPPES snapshot, NPI 1689822793 is active (record last updated 2010-04-07).

How do I verify Christine Ishikawa's NPI record?

Cross-check NPI 1689822793 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-04-07.