Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Harvey H. Yamamoto, OD

Optometrist in Ontario, CA · enumerated 2006 · practices at Harvey H Yamamoto, Od, Inc..

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

National Provider Identifier

1881661700

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Registry record

Entity type Individual (Type 1)

Name Dr. Harvey H. Yamamoto

Credential OD

Sex Male

Practice address 417 N Euclid Ave, Ontario, CA, 91762

Phone (909) 986-9951

Fax (909) 986-9812

Enumeration date Mar 1, 2006

Last updated in NPPES May 1, 2024

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 4477T (CA) 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
SD0044770	Medicaid	CA	-

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

How do I verify Harvey Yamamoto's NPI record?

Cross-check NPI 1881661700 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1881661700 active?

Yes, as of the latest NPPES snapshot, NPI 1881661700 is active (record last updated 2024-05-01).

Other providers at this practice address

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Beverly Nishitani Optometrist · Ontario, CA NPI 1538136460 Harvey H Yamamoto, Od, Inc. Optometrist · Ontario, CA NPI 1447227384 Sean Yamamoto Optometrist · Ontario, CA NPI 1871560698

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-01.