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Lilian Thoi, OD

Q: What is the NPI number for Lilian Thoi?

The National Provider Identifier (NPI) for Lilian Thoi is 1740804798, a Type 1 (individual) record in the CMS NPPES registry.

Optometrist in Gallup, NM · enumerated 2020.

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

National Provider Identifier

1740804798

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Registry record

Entity type Individual (Type 1)

Name Lilian Thoi

Credential OD

Sex Female

Practice address 516 E Nizhoni Blvd, Gallup, NM, 87301

Phone (505) 722-1000

Enumeration date Jun 5, 2020

Last updated in NPPES May 29, 2021

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 11824443-9934 (UT) 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

What is the NPI number for Lilian Thoi?

The National Provider Identifier (NPI) for Lilian Thoi is 1740804798, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lilian Thoi practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-29.