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THI THANH NGUYEN DO
NPI 1427343623
Family Medicine in Port Arthur, TX

Active since June 15, 2011PECOS EnrolledAccepts Medicare Assignment
3620 HIGHWAY 365, SUITE 400, PORT ARTHUR, TX 77642(409) 344-4557 Get Directions Write a Review

NPPES record last updated: July 24, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Thi Thanh Nguyen Do NPPES

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

THI THANH NGUYEN DO (NPI 1427343623) is an individual family medicine provider in Port Arthur, Texas, licensed in Texas (P7823) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS and is a graduate of At Still University, Arizona School Of Dentistry & Oral Hlth (2011).

NPPES Registry Identity

NPI1427343623
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameTHI THANH NGUYENCredential: DO
Location Address3620 HIGHWAY 365, SUITE 400Port Arthur, TX 77642-7716
Mailing Address3620 Highway 365, Suite 400Port Arthur, TX 77642-7716 · (409) 344-4557
Phone(409) 344-4557
Sole ProprietorNo
Medical School CMSAt Still University, Arizona School Of Dentistry & Oral HlthGraduated 2011
Enumeration DateJune 15, 2011
Last NPPES UpdateJuly 24, 2015
✔ NPI 1427343623 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · P7823
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3620 HIGHWAY 365, Port Arthur, TX 77642
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan.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

Thi Thanh Nguyen Do 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 ID4981929486
PECOS Enrollment IDI20150422000624
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

2

Medicare enrollment records show Thi Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

First Response Urgent Care
Same address
Urgent Care
3620 HIGHWAY 365, SUITE 400
Port Arthur, TX 77642
  • Reassigned Medicare billing, Texas enrollment
  • 5 clinicians in this Medicare group
NPI 1093113912 (409) 344-4557
First Response Urgent Care-Lumberton
26 mi
Urgent Care
434 N LHS DR STE 500
Lumberton, TX 77657
  • Reassigned Medicare billing, Texas enrollment
  • 7 clinicians in this Medicare group
NPI 1285226381 (409) 344-4557

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

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
238 services38 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
103 services76 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
93 services45 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
87 services71 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
64 services50 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426
An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.
62 services60 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77642 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
$83.80 typical visit price
range $54.04 – $164.93
Typical copayment $20.95 (range $13.51 – $41.23)
Most-billed visit code 99203
Established Patient
$95.83 typical visit price
range $17.17 – $134.47
Typical copayment $23.95 (range $4.29 – $33.61)
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

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

FIRST RESPONSE URGENT CARE
Clinic/Center (Urgent Care)
3620 HIGHWAY 365, SUITE 400
PORT ARTHUR, TX 77642
Jefferson County (409) 344-4557

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 Thi Nguyen's NPI number?

The NPI number for Thi Nguyen is 1427343623. It was assigned to this individual provider in the NPPES registry on June 15, 2011.

Where is Thi Nguyen located?

Thi Nguyen practices at 3620 Highway 365 Suite 400, Port Arthur, TX 77642. The listed phone number is (409) 344-4557.

What is Thi Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Thi Nguyen enrolled in Medicare?

Yes. Thi 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 Thi Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thi Nguyen reassigns Medicare benefits to 2 organizations: First Response Urgent Care (Port Arthur, TX) and First Response Urgent Care-Lumberton (Lumberton, TX). 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 Thi Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thi Nguyen accept?

Health plans from Blue Cross and Blue Shield of Texas and CHRISTUS Health Plan list Thi 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 Thi Nguyen was last updated on July 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.