THUY-MAI CRISTINA NGUYEN MD
NPI 1285138040
Internal Medicine - Critical Care Medicine in New Orleans, LA

Active since March 19, 2018PECOS EnrolledAccepts Medicare Assignment
1901 PERDIDO ST STE 3205, NEW ORLEANS, LA 70112(504) 568-2903 Get Directions Write a Review

NPPES record last updated: August 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 27, 2023, Apr 28, 2021, Mar 19, 2018 (3 updates tracked since 2018).

About Thuy-mai Cristina Nguyen Md NPPES

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

THUY-MAI CRISTINA NGUYEN MD (NPI 1285138040) is an individual critical care medicine provider in New Orleans, Louisiana, licensed in Louisiana (336893) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with University Medical Center New Orleans, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2018).

NPPES Registry Identity

NPI1285138040
Entity TypeIndividualFemale
Primary Taxonomy207RC0200X
Provider Legal NameTHUY-MAI CRISTINA NGUYENCredential: MD
Location Address1901 PERDIDO ST STE 3205New Orleans, LA 70112-1393
Mailing Address1901 Perdido St Ste 3205New Orleans, LA 70112-1393 · (504) 568-2903
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2018
Enumeration DateMarch 19, 2018
Last NPPES UpdateAugust 21, 20253 updates tracked since enumeration
NPPES CertifiedAugust 21, 2025
✔ NPI 1285138040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in LA · 336893
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 336893 (LA)
Also ListedInternal MedicineTaxonomy 207R00000X · License 336893 (LA)
1901 PERDIDO ST STE 3205, New Orleans, LA 70112

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thuy-mai Cristina Nguyen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446506794
PECOS Enrollment IDI20240326003298
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Thuy-mai Nguyen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinical Medical Laboratory
1901 PERDIDO STREET
New Orleans, LA 70112
  • Reassigned Medicare billing, Louisiana enrollment
  • 931 clinicians in this Medicare group
Emergency Medicine
2000 CANAL ST
New Orleans, LA 70112
  • Reassigned Medicare billing, Louisiana enrollment
  • 98 clinicians in this Medicare group
Specialist
200 HENRY CLAY AVE
New Orleans, LA 70118
  • Reassigned Medicare billing, Louisiana enrollment
  • 220 clinicians in this Medicare group
Emergency Medicine
95 E FAIRWAY DR
Covington, LA 70433
  • Reassigned Medicare billing, Louisiana enrollment
  • 159 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Medical Center New Orleans

Acute Care Hospitals · New Orleans, LA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190005
Location2000 Canal StreetNew Orleans, LA 70112 · Orleans County
Emergency services

Lallie Kemp Medical Center

Critical Access Hospitals · Independence, LA
OwnershipGovernment - State
CMS Certification Number191321
Location52579 Highway 51 SouthIndependence, LA 70443 · Tangipahoa County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70112 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
$128.88 typical visit price
range $55.50 – $170.30
Typical copayment $32.22 (range $13.87 – $42.57)
Most-billed visit code 99204
Established Patient
$98.35 typical visit price
range $17.42 – $138.03
Typical copayment $24.58 (range $4.35 – $34.50)
Most-billed visit code 99214
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 7

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

Internal Medicine
1901 PERDIDO ST STE 3205
NEW ORLEANS, LA 70112
Internal Medicine (Pulmonary Disease)
1901 PERDIDO ST STE 3205
NEW ORLEANS, LA 70112
Internal Medicine (Pulmonary Disease)
1901 PERDIDO ST STE 3205
NEW ORLEANS, LA 70112
Internal Medicine
1901 PERDIDO ST STE 3205
NEW ORLEANS, LA 70112
Internal Medicine (Pulmonary Disease)
1901 PERDIDO ST STE 3205
NEW ORLEANS, LA 70112
Internal Medicine (Pulmonary Disease)
1901 PERDIDO ST STE 3205
NEW ORLEANS, LA 70112
Internal Medicine (Pulmonary Disease)
1901 PERDIDO ST STE 3205
NEW ORLEANS, LA 70112

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 Thuy-mai Nguyen's NPI number?

The NPI number for Thuy-mai Nguyen is 1285138040. It was assigned to this individual provider in the NPPES registry on March 19, 2018.

Where is Thuy-mai Nguyen located?

Thuy-mai Nguyen practices at 1901 Perdido St Ste 3205, New Orleans, LA 70112. The listed phone number is (504) 568-2903.

What is Thuy-mai Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Thuy-mai Nguyen enrolled in Medicare?

Yes. Thuy-mai Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Thuy-mai Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thuy-mai Nguyen reassigns Medicare benefits to 4 organizations: Louisiana State University School Of Medicine In New Orleans Faculty G (New Orleans, LA), Louisiana State University School Of Medicine In New Orleans Faculty (New Orleans, LA), Children's Hospital (New Orleans, LA) and Van Meter Emergency Physicians Inc. Apmc (Covington, LA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thuy-mai Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thuy-mai Nguyen accept?

Health plans from HMO Louisiana list Thuy-mai 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.

Is Thuy-mai Nguyen affiliated with any hospitals?

According to CMS data, Thuy-mai Nguyen is affiliated with University Medical Center New Orleans and Lallie Kemp Medical Center.

When was this NPI record last updated?

The NPPES record for Thuy-mai Nguyen was last updated on August 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.