Tuan Nguyen, MD
NPI 1649341629 · Internal Medicine Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tuan Nguyen, MD is a Internal Medicine Physician provider in Anaheim, CA (NPI 1649341629).
Provider details
- NPI number
- 1649341629
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A87714 (CA)
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
19 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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Tartrate | 17 | — |
| Prednisone | 17 | 15 |
| Atorvastatin Calcium | 13 | — |
| Pantoprazole Sodium | 13 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 12 | — |
| Furosemide | 12 | — |
| Cefpodoxime Proxetil |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2021-12-03
Frequently asked questions
- What is Tuan Nguyen's NPI number?
- Tuan Nguyen's National Provider Identifier (NPI) is 1649341629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tuan Nguyen's specialty?
- Tuan Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tuan Nguyen located?
- Tuan Nguyen's practice location on file with NPPES is 441 N Lakeview Ave, Anaheim, CA 92807-3028.
- What is Tuan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tuan Nguyen is (888) 988-2800.
- Does Tuan Nguyen accept Medicare?
- Tuan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tuan Nguyen's NPI active?
- Yes — Tuan Nguyen's NPI (1649341629) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.