Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Phuong Thanh Nguyen, MD
Psychiatry Physician in Marrero, LA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1356431761
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Registry record
Entity type Individual (Type 1)
Name Phuong Thanh Nguyen
Credential MD
Sex Male
Practice address 1111 Medical Center Blvd, Suite 460 S, Marrero, LA, 70072
Phone (504) 349-6735
Fax (504) 349-6739
Enumeration date Oct 14, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License L# 023176 (LA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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 Phuong Nguyen?
Phuong Nguyen is registered in NPPES with the primary taxonomy of Psychiatry Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.