NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Phuong Le Ai Duong, OPTOMETRIST (O.D.)

Low Vision Rehabilitation Optometrist in San Jose, CA · enumerated 2006.

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

National Provider Identifier

1154435048

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Phuong Le Ai Duong
Credential OPTOMETRIST (O.D.)
Sex Female
Practice address San Jose, CA, 95124
Phone (408) 269-1267
Fax (408) 269-1265
Enumeration date Aug 18, 2006
Last updated in NPPES Jul 21, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152WL0500X Low Vision Rehabilitation Optometrist Eye and Vision Services Providers · License CA 12716 T (CA) Primary

Other identifiers

Identifier Type State Issuer
12716 Other CA LICENSE NUMBER

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 Phuong Duong?
The National Provider Identifier (NPI) for Phuong Duong is 1154435048, a Type 1 (individual) record in the CMS NPPES registry.
Where does Phuong Duong practice?
The practice location on file with NPPES is in San Jose, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.