Thien Nguyen
NPI 1821574518 · Pharmacist · Roseville, CA
Thien Nguyen is a Pharmacist provider in Roseville, CA (NPI 1821574518).
Provider details
- NPI number
- 1821574518
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 76839 (CA)
Specialties & taxonomies
Pharmacy Service Providers
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
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 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 300 | 48 |
| Metformin Hclbrand: Metformin Hcl Er | 202 | 76 |
| Atorvastatin Calcium | 174 | 68 |
| Metformin Hcl | 172 | 61 |
| Glipizide | 160 | 60 |
| Glipizidebrand: Glipizide Er | 144 | 59 |
| Insulin Nph Human Isophane |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-07-16
- Last updated
- 2018-07-16
Frequently asked questions
- What is Thien Nguyen's NPI number?
- Thien Nguyen's National Provider Identifier (NPI) is 1821574518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thien Nguyen's specialty?
- Thien Nguyen is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Thien Nguyen located?
- Thien Nguyen's practice location on file with NPPES is 1600 Eureka Rd, Roseville, CA 95661-3027.
- What is Thien Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Thien Nguyen is (916) 746-3755.
- Is Thien Nguyen's NPI active?
- Yes — Thien Nguyen's NPI (1821574518) is active in the NPPES registry as of the last update on 2018-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.