Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Harvey Long Nguyen, DDS
Dentist in Port Arthur, TX · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578266243
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Registry record
Entity type Individual (Type 1)
Name Harvey Long Nguyen
Credential DDS
Sex Male
Practice address 8465 Memorial Blvd, Port Arthur, TX, 77640
Phone (409) 853-3107
Enumeration date Mar 22, 2023
Last updated in NPPES Jul 1, 2025
Taxonomy & licenses
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS 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
Where does Harvey Nguyen practice?
The practice location on file with NPPES is in Port Arthur, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Harvey Nguyen?
The National Provider Identifier (NPI) for Harvey Nguyen is 1578266243, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-01.