NGHIA DUY NGUYEN DO
NPI 1538725890
Internal Medicine - Gastroenterology in Harlingen, TX
About Nghia Duy Nguyen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NGHIA DUY NGUYEN DO (NPI 1538725890) is an individual gastroenterology provider in Harlingen, Texas, licensed in Texas (V6658) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Vhs Harlingen Hospital Company Llc, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
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.
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Nghia Duy 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Vhs Harlingen Hospital Company LLC
Acute Care Hospitals · Harlingen, TXMemorial Hermann - Texas Medical Center
Acute Care Hospitals · Houston, TXValley Regional Medical Center
Acute Care Hospitals · Brownsville, TXMemorial Hermann Katy Hospital
Acute Care Hospitals · Katy, TXHarlingen Medical Center
Acute Care Hospitals · Harlingen, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78550 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
HARLINGEN, TX 78550
HARLINGEN, TX 78550
HARLINGEN, TX 78550
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 Nghia Nguyen's NPI number?
The NPI number for Nghia Nguyen is 1538725890. It was assigned to this individual provider in the NPPES registry on May 13, 2019.
Where is Nghia Nguyen located?
Nghia Nguyen practices at 512 Victoria Ln Ste 2, Harlingen, TX 78550. The listed phone number is (956) 365-4400.
What is Nghia Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Nghia Nguyen enrolled in Medicare?
Yes. Nghia 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.
What insurance does Nghia Nguyen accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 1 other insurer list Nghia 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 Nghia Nguyen affiliated with any hospitals?
According to CMS data, Nghia Nguyen is affiliated with Vhs Harlingen Hospital Company LLC, Memorial Hermann - Texas Medical Center, Valley Regional Medical Center, Memorial Hermann Katy Hospital and Harlingen Medical Center.
When was this NPI record last updated?
The NPPES record for Nghia Nguyen was last updated on December 4, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
