Luan Nguyen, MD
NPI 1578529020 · Internal Medicine Physician · Warsaw, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Luan Nguyen, MD is a Internal Medicine Physician provider in Warsaw, IN (NPI 1578529020).
Provider details
- NPI number
- 1578529020
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01057625A (IN)
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
20 yrs in NPPES 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 40 | 28 |
| Atorvastatin Calcium | 35 | 19 |
| Amlodipine Besylate | 32 | 19 |
| Hydralazine Hcl | 30 | 19 |
| Losartan Potassium | 28 | 14 |
| Cefpodoxime Proxetil | 26 | 26 |
| Lisinopril | 24 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-25
- Last updated
- 2021-12-21
Frequently asked questions
- What is Luan Nguyen's NPI number?
- Luan Nguyen's National Provider Identifier (NPI) is 1578529020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luan Nguyen's specialty?
- Luan Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Luan Nguyen located?
- Luan Nguyen's practice location on file with NPPES is 2101 Dubois Dr, Warsaw, IN 46580-3210.
- What is Luan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Luan Nguyen is (574) 267-3200.
- Does Luan Nguyen accept Medicare?
- Luan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Luan Nguyen's NPI active?
- Yes — Luan Nguyen's NPI (1578529020) is active in the NPPES registry as of the last update on 2021-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.