Ken Mak, PHARMD
Pharmacist · San Rafael, CA
Ken Mak, PHARMD is a pharmacist with a practice address in San Rafael, California, and NPI 1013459254, issued on Nov 4, 2016. Check the license (California 75365, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ken Mak
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 75365 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Smith Ranch RD, San Rafael, CA 94903
- Phone
- (415) 492-6369
- Enumerated
- Nov 4, 2016
- Record last updated
- Nov 4, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 100 Smith Ranch RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Scott Dragoman, PHARMD, RPHPharmacist1649143686
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Verify Ken Mak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 75365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24.9 times the Medicare Part D claims of the average pharmacist in 2024
2,966 Medicare Part D claims for 543 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Atorvastatin Calcium646 claims
- Metformin Hcl Er297 claims
- Lisinopril185 claims
- Metformin Hcl185 claims
- Glipizide173 claims
- Ozempic136 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ken Mak among 32,533 pharmacist records in California
Ken Mak, PHARMD is one of 32,533 pharmacist records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 47% of them.
- NPI issued2016 · 47% of these records are older, 47% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2016 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
120 pharmacist records list a practice address in San Rafael
They are 120 of the 3,159 NPPES records with a practice address in San Rafael, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in San Rafael → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Larry CacaceSan Rafael, CA 949031083773188
- Miranda Chin, PHARM.D.San Rafael, CA 949031992876296
- Lori Chudacoff, PHARMDSan Rafael, CA 949031639241987
- David Ferry, PHARM.DSan Rafael, CA 949031083700173
- Susan Gess, PHARM.D.San Rafael, CA 949031366536369
- Stephanie Hanton, PHARM.D.San Rafael, CA 949031316026487
- Andrea Johnson, PHARM.D.San Rafael, CA 949031487714101
- Jennifer Lai, M.SC., PHARM.D.San Rafael, CA 949031710066709
Common questions
What is Ken Mak, PHARMD's NPI number?
Ken Mak, PHARMD's National Provider Identifier (NPI) is 1013459254, issued on Nov 4, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ken Mak, PHARMD located?
The NPPES record lists a practice address at 100 Smith Ranch RD, San Rafael, CA, 94903. Phone: (415) 492-6369. Providers update this record themselves, so call before visiting.
How can I verify Ken Mak, PHARMD's license?
NPPES lists California license number 75365, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ken Mak, PHARMD prescribe under Medicare Part D?
In 2024, Ken Mak, PHARMD had 2,966 Medicare Part D claims for 543 beneficiaries; the average among pharmacist prescribers was 119. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.