Dai Tan, PHARM.D.
NPI 1578910352 · Pharmacist · San Jose, CA
Dai Tan, PHARM.D. is a Pharmacist provider in San Jose, CA (NPI 1578910352).
Provider details
- NPI number
- 1578910352
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 72998 (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
10 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 |
|---|---|---|
| Glipizide | 82 | 33 |
| Metformin Hclbrand: Metformin Hcl Er | 76 | 29 |
| Metformin Hcl | 60 | 26 |
| Atorvastatin Calcium | 58 | 26 |
| Semaglutidebrand: Ozempic | 50 | — |
| Budesonide/Formoterol Fumaratebrand: Breyna | 33 | 17 |
| Insulin Glargine-Yfgn |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-20
- Last updated
- 2021-12-23
- Certified
- 2021-12-23
Frequently asked questions
- What is Dai Tan's NPI number?
- Dai Tan's National Provider Identifier (NPI) is 1578910352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dai Tan's specialty?
- Dai Tan is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Dai Tan located?
- Dai Tan's practice location on file with NPPES is 1721 Technology Dr Fl 4, San Jose, CA 95110-1305.
- What is Dai Tan's phone number?
- The practice phone number listed in the NPPES registry for Dai Tan is (408) 436-3329.
- Is Dai Tan's NPI active?
- Yes — Dai Tan's NPI (1578910352) is active in the NPPES registry as of the last update on 2021-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.