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THUC QUYEN NGUYEN MD, PLLC
NPI 1497121685
Internal Medicine - Gastroenterology in Arlington, TX

Active since August 11, 2015
3219 OMEGA DR, ARLINGTON, TX 76014(682) 323-7553(877) 409-1681 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 28, 2026, Jan 6, 2026 (2 updates tracked since 2026).

About Thuc Quyen Nguyen Md, Pllc NPPES

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

THUC QUYEN NGUYEN MD, PLLC (NPI 1497121685) is a healthcare organization registered as a gastroenterology in Arlington, Texas and active in the NPI registry since August 2015. The organization lists Lilian Villanueva, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1497121685
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameTHUC QUYEN NGUYEN MD, PLLC
Location Address3219 OMEGA DRArlington, TX 76014-2006
Mailing Address3219 Omega DrArlington, TX 76014-2006 · (682) 323-7553 · Fax (877) 406-1681
Phone(682) 323-7553
Fax(877) 409-1681
Organization SubpartNo
Authorized OfficialLilian VillanuevaOffice Manager · (682) 323-7553
Enumeration DateAugust 11, 2015
Last NPPES UpdateMay 28, 20262 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
✔ NPI 1497121685 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in TX · P5435
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
3219 OMEGA DR, Arlington, TX 76014
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thuc Quyen Nguyen Md, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Thuc Quyen Nguyen MD, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Thuc Quyen Nguyen
Gastroenterology
NPI 1033378195
515 W MAYFIELD RD SUITE 210
Arlington, TX 76014
(817) 417-4027
✔ PECOS✔ Accepts Medicare0.2 mi

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

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 Thuc Quyen Nguyen MD, PLLC's NPI number?

The NPI number for Thuc Quyen Nguyen MD, PLLC is 1497121685. It was assigned to this organization in the NPPES registry on August 11, 2015.

Where is Thuc Quyen Nguyen MD, PLLC located?

Thuc Quyen Nguyen MD, PLLC is located at 3219 Omega Dr, Arlington, TX 76014. The listed phone number is (682) 323-7553.

What is Thuc Quyen Nguyen MD, PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Thuc Quyen Nguyen MD, PLLC enrolled in Medicare?

Yes. Thuc Quyen Nguyen MD, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Thuc Quyen Nguyen MD, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Thuc Quyen Nguyen MD, PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Thuc Quyen Nguyen MD, PLLC accept?

Health plans from Molina Healthcare list Thuc Quyen Nguyen MD, PLLC 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 Thuc Quyen Nguyen MD, PLLC was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.