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PHUONG THANH NGUYEN MD
NPI 1356431761
Psychiatry & Neurology - Psychiatry in Marrero, LA

Active since October 14, 2006Opted out of Medicare · through Jan 26, 2028CLIA 19D2091243 · Waiver
1111 MEDICAL CENTER BLVD, SUITE 460 S, MARRERO, LA 70072(504) 349-6735(504) 349-6739 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Phuong Thanh Nguyen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PHUONG THANH NGUYEN MD (NPI 1356431761) is an individual psychiatry provider in Marrero, Louisiana, licensed in Louisiana (L# 023176) and active in the NPI registry since October 2006. He has opted out of Medicare through January 26, 2028 and remains eligible to order and refer and holds a CLIA Waiver certificate valid through February 8, 2027.

NPPES Registry Identity

NPI1356431761
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NamePHUONG THANH NGUYENCredential: MD
Location Address1111 MEDICAL CENTER BLVD, SUITE 460 SMarrero, LA 70072-3151
Mailing AddressPo Box 1060Harvey, LA 70059 · (504) 349-6735 · Fax (504) 349-6739
Phone(504) 349-6735
Fax(504) 349-6739
Sole ProprietorNo
Enumeration DateOctober 14, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1356431761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in LA · L# 023176
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1111 MEDICAL CENTER BLVD, Marrero, LA 70072
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Other Identifiers 1

Medicare UPINH36277

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Phuong Thanh Nguyen Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 26, 2014 through January 26, 2028.

Opt-Out Effective DateJanuary 26, 2014
Opt-Out In Effect ThroughJanuary 26, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 19D2091243

Phuong Nguyen, MD, LLC · Marrero, LA
Active · expires Feb 8, 2027
CLIA Number19D2091243
Laboratory TypePhysician Office
Certificate Effective DateFebruary 9, 2025
Certificate Expiration DateFebruary 8, 2027
Laboratory DirectorPhuong Nguyen
Laboratory Phone(504) 349-6735
Laboratory LocationPhuong Nguyen, MD, LLC1111 Medical Center Blvd Ste 570 South, Marrero, LA 70072
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70072 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$170.30 typical visit price
range $55.50 – $170.30
Typical copayment $42.57 (range $13.87 – $42.57)
Most-billed visit code 99205
Established Patient
$69.44 typical visit price
range $17.42 – $138.03
Typical copayment $17.36 (range $4.35 – $34.50)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LABADIE AND LABADIE A PROFESSIONAL LLC
Specialist
1111 MEDICAL CENTER BLVD, SUITE 250 SOUTH
MARRERO, LA 70072
Jefferson Parish (504) 349-6207
THELMA SONZA N.P.
Nurse Practitioner (Family)
1111 MEDICAL CENTER BLVD, SUITE 613N
MARRERO, LA 70072
Jefferson Parish (504) 394-6800
DR. JOSEPH GUARNIERI M.D.
Ophthalmology
1111 MEDICAL CENTER BLVD, SUITE N-213
MARRERO, LA 70072
Jefferson Parish (504) 349-6213
CHARLES JOSEPH BALLAY II M.D.
Otolaryngology
1111 MEDICAL CENTER BLVD, SUITE 707N
MARRERO, LA 70072
Jefferson Parish (504) 934-8550
DR. PRAMELA R GANJI MD
Family Medicine
1111 MEDICAL CENTER BLVD, STE 304 NORTH
MARRERO, LA 70072
Jefferson Parish (504) 349-6325
WEST JEFFERSON PHYSICIAN SERVICES
Internal Medicine
1111 MEDICAL CENTER BLVD, SUITE S850
MARRERO, LA 70072
Jefferson Parish (504) 349-6450
MS. MEGHAN CATHERINE MESSONNIER PA-C
Physician Assistant (Medical)
1111 MEDICAL CENTER BLVD, SUITE S-450
MARRERO, LA 70072
Jefferson Parish (504) 349-6423
KAELYNN LANDECHE FRANCISCO APRN
Nurse Practitioner
1111 MEDICAL CENTER BLVD
MARRERO, LA 70072
Jefferson Parish (504) 349-6945

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Phuong Nguyen's NPI number?

The NPI number for Phuong Nguyen is 1356431761. It was assigned to this individual provider in the NPPES registry on October 14, 2006.

Where is Phuong Nguyen located?

Phuong Nguyen practices at 1111 Medical Center Blvd Suite 460 S, Marrero, LA 70072. The listed phone number is (504) 349-6735.

What is Phuong Nguyen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Phuong Nguyen enrolled in Medicare?

No. Phuong Nguyen has opted out of Medicare through January 26, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Does Phuong Nguyen hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 19D2091243) is associated with this NPI, valid through February 8, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Phuong Nguyen accept?

Health plans from Providence Health Plan and UnitedHealthcare list Phuong Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Phuong Nguyen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.