Theresa Nguyen, PHARM.D.
NPI 1861565970 · Ambulatory Care Pharmacist · San Jose, CA
Theresa Nguyen, PHARM.D. is a Ambulatory Care Pharmacist provider in San Jose, CA (NPI 1861565970).
Provider details
- NPI number
- 1861565970
- Entity type
- Individual
- Primary specialty
- Ambulatory Care PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Female
- Sole proprietor
- No
- License
- RPH 57674 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Pharmacy Service Providers
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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 80 | 16 |
| Atorvastatin Calcium | 74 | 39 |
| Metformin Hclbrand: Metformin Hcl Er | 62 | 33 |
| Glipizide | 38 | 24 |
| Metformin Hcl | 30 | 17 |
| Insulin Nph Human Isophanebrand: Humulin N Kwikpen | 29 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2024-03-25
- Certified
- 2024-03-25
Frequently asked questions
- What is Theresa Nguyen's NPI number?
- Theresa Nguyen's National Provider Identifier (NPI) is 1861565970, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Nguyen's specialty?
- Theresa Nguyen is listed in the NPPES registry with a primary specialty of Ambulatory Care Pharmacist (Pharmacy Service Providers).
- Where is Theresa Nguyen located?
- Theresa Nguyen's practice location on file with NPPES is 260 International Cir, San Jose, CA 95119-1130.
- What is Theresa Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Theresa Nguyen is (408) 972-6474.
- Is Theresa Nguyen's NPI active?
- Yes — Theresa Nguyen's NPI (1861565970) is active in the NPPES registry as of the last update on 2024-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.