Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ngoc-Thuy Trina Nguyen, O.D.
Optometrist in Garden Grove, CA · enumerated 2007 · practices at Ngoc-Thuy Trina Nguyen Od A Professional Corporation.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1063579688
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 167250 | Other | CA | HIGH MARK |
| SD0096861 | Medicaid | CA | - |
| 114158 | Other | CA | EYE MED |
| 12374 | Other | CA | MEDICAL EYE SERVICES |
| 07626 | Other | CA | SPECTERA |
| 35995 | Other | CA | DAVIS VISION |
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.
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Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-10-08.