Tan Nguyen, MD
NPI 1942468525 · Family Medicine Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tan Nguyen, MD is a Family Medicine Physician provider in Anaheim, CA (NPI 1942468525).
Provider details
- NPI number
- 1942468525
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A103725 (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
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 118 | 44 |
| Amlodipine Besylate | 97 | 33 |
| Metformin Hcl | 88 | 27 |
| Famotidine | 78 | 28 |
| Fluticasone Propionate | 71 | 29 |
| Levothyroxine Sodium | 70 | 17 |
| Losartan Potassium | 69 |
Practice location
Mailing address
Additional practice locations (1)
- 800 N Main StSanta Ana, CA 92701-3576Phone: (714) 456-7002
Registry dates
- Enumerated
- 2008-05-29
- Last updated
- 2023-03-21
- Certified
- 2023-03-21
Frequently asked questions
- What is Tan Nguyen's NPI number?
- Tan Nguyen's National Provider Identifier (NPI) is 1942468525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tan Nguyen's specialty?
- Tan Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tan Nguyen located?
- Tan Nguyen's practice location on file with NPPES is 2441 W La Palma Ave Ste 100, Anaheim, CA 92801-2658.
- What is Tan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tan Nguyen is (657) 282-6356.
- Does Tan Nguyen accept Medicare?
- Tan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tan Nguyen's NPI active?
- Yes — Tan Nguyen's NPI (1942468525) is active in the NPPES registry as of the last update on 2023-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.