What is Duy Nguyen's NPI number?

Duy Nguyen's National Provider Identifier (NPI) is 1518894484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Duy Nguyen's specialty?

Duy Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Duy Nguyen located?

Duy Nguyen's practice location on file with NPPES is 4215 Joe Ramsey Blvd E, Greenville, TX 75401-7852.

What is Duy Nguyen's phone number?

The practice phone number listed in the NPPES registry for Duy Nguyen is (903) 408-5000.

Is Duy Nguyen's NPI active?

Yes — Duy Nguyen's NPI (1518894484) is active in the NPPES registry as of the last update on 2026-05-06.

IndividualActive

Duy Nguyen

NPI 1518894484 · Internal Medicine Physician · Greenville, TX

Duy Nguyen is a Internal Medicine Physician provider in Greenville, TX (NPI 1518894484).

Provider details

NPI number: 1518894484
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: 826589 (TX)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 826589 (TX)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

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

4215 Joe Ramsey Blvd E

Greenville, TX 75401-7852

Phone: (903) 408-5000

Street-level locationGet directions

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Mailing address