Ken Mak, PHARMD
NPI 1013459254 · Pharmacist · San Rafael, CA
Ken Mak, PHARMD is a Pharmacist provider in San Rafael, CA (NPI 1013459254).
Provider details
- NPI number
- 1013459254
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 75365 (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
9 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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 646 | 244 |
| Metformin Hclbrand: Metformin Hcl Er | 297 | 134 |
| Lisinopril | 185 | 69 |
| Metformin Hcl | 185 | 73 |
| Glipizide | 173 | 72 |
| Semaglutidebrand: Ozempic | 136 | 26 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-11-04
- Last updated
- 2016-11-04
Frequently asked questions
- What is Ken Mak's NPI number?
- Ken Mak's National Provider Identifier (NPI) is 1013459254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ken Mak's specialty?
- Ken Mak is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Ken Mak located?
- Ken Mak's practice location on file with NPPES is 100 Smith Ranch Rd, San Rafael, CA 94903-1900.
- What is Ken Mak's phone number?
- The practice phone number listed in the NPPES registry for Ken Mak is (415) 492-6369.
- Is Ken Mak's NPI active?
- Yes — Ken Mak's NPI (1013459254) is active in the NPPES registry as of the last update on 2016-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.