Nghia Nguyen, DO
NPI 1538725890 · Gastroenterology Physician · Harlingen, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nghia Nguyen, DO is a Gastroenterology Physician provider in Harlingen, TX (NPI 1538725890).
Provider details
- NPI number
- 1538725890
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- V6658 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 305 Lorenaly DrBrownsville, TX 78526-4333Phone: (956) 365-4400Fax: (956) 365-4111
- 4211 N Jackson RdMcallen, TX 78504-6907Phone: (956) 365-4400Fax: (956) 365-4111
Registry dates
- Enumerated
- 2019-05-13
- Last updated
- 2025-12-04
- Certified
- 2025-12-04
Frequently asked questions
- What is Nghia Nguyen's NPI number?
- Nghia Nguyen's National Provider Identifier (NPI) is 1538725890, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nghia Nguyen's specialty?
- Nghia Nguyen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Nghia Nguyen located?
- Nghia Nguyen's practice location on file with NPPES is 512 Victoria Ln Ste 2, Harlingen, TX 78550-3227.
- What is Nghia Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Nghia Nguyen is (956) 365-4400.
- Does Nghia Nguyen accept Medicare?
- Nghia Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nghia Nguyen's NPI active?
- Yes — Nghia Nguyen's NPI (1538725890) is active in the NPPES registry as of the last update on 2025-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.