Ken Choi
NPI 1003428996 · Pharmacist · San Francisco, CA
Ken Choi is a Pharmacist provider in San Francisco, CA (NPI 1003428996).
Provider details
- NPI number
- 1003428996
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 82988 (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
5 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 40 | 18 |
| Metformin Hclbrand: Metformin Hcl Er | 37 | 15 |
| Metformin Hcl | 28 | 15 |
| Atorvastatin Calcium | 24 | 16 |
| Rivaroxabanbrand: Xarelto | 24 | 13 |
| Glipizide | 21 | 13 |
| Semaglutide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-08-20
- Last updated
- 2020-08-20
- Certified
- 2020-08-20
Frequently asked questions
- What is Ken Choi's NPI number?
- Ken Choi's National Provider Identifier (NPI) is 1003428996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ken Choi's specialty?
- Ken Choi is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Ken Choi located?
- Ken Choi's practice location on file with NPPES is 670 33rd Ave, San Francisco, CA 94121-2718.
- What is Ken Choi's phone number?
- The practice phone number listed in the NPPES registry for Ken Choi is (415) 519-6295.
- Is Ken Choi's NPI active?
- Yes — Ken Choi's NPI (1003428996) is active in the NPPES registry as of the last update on 2020-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.