Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Maria Nguyen-Trinh, OD
Optometrist in Kingwood, TX · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1184396947
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Registry record
Entity type Individual (Type 1)
Name Maria Nguyen-Trinh
Credential OD
Sex Female
Practice address 25639 Highway 59 N Ste 109, Kingwood, TX, 77339
Phone (832) 810-2020
Enumeration date Sep 30, 2021
Last updated in NPPES Sep 30, 2021
Taxonomy & licenses
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.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Maria Nguyen-Trinh?
Maria Nguyen-Trinh is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-30.