Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Lilian Nguyen, MD

Ophthalmology Physician in San Antonio, TX · enumerated 2014.

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

National Provider Identifier

1376958066

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Registry record

Entity type Individual (Type 1)

Name Dr. Lilian Nguyen

Credential MD

Sex Female

Practice address 8300 Floyd Curl Dr Fl 6, San Antonio, TX, 78229

Phone (210) 450-9400

Fax (210) 450-6024

Enumeration date Jun 22, 2014

Last updated in NPPES Oct 2, 2019

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License S0521 (TX) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
401414401	Medicaid	TX	-
401414402	Other	TX	CSHCN

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 Nguyen?

The National Provider Identifier (NPI) for Lilian Nguyen is 1376958066, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lilian Nguyen practice?

The practice location on file with NPPES is in San Antonio, TX. 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 2019-10-02.