Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Alyssa Louie, OD

Q: What is the NPI number for Alyssa Louie?

The National Provider Identifier (NPI) for Alyssa Louie is 1659892669, a Type 1 (individual) record in the CMS NPPES registry.

Optometrist in San Jose, CA · enumerated 2017.

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

National Provider Identifier

1659892669

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Registry record

Entity type Individual (Type 1)

Name Dr. Alyssa Louie

Credential OD

Sex Female

Practice address 5504 Monterey Hwy, San Jose, CA, 95138

Phone (408) 729-9700

Enumeration date Jun 29, 2017

Last updated in NPPES Dec 7, 2021

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 100408 (ID) Secondary

152W00000X Optometrist Eye and Vision Services Providers · License 33948 (CA) 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 Alyssa Louie practice?

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

What is the NPI number for Alyssa Louie?

The National Provider Identifier (NPI) for Alyssa Louie is 1659892669, 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 2021-12-07.