Stephen Leung
Pharmacist · Cupertino, CA
Stephen Leung is a pharmacist with a practice address in Cupertino, California, and NPI 1033779012, issued on Jun 20, 2019. Check the license (California 77654, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Leung
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 77654 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20620 Homestead RD, Cupertino, CA 95014
- Phone
- (408) 253-0122
- Enumerated
- Jun 20, 2019
- Record last updated
- Aug 19, 2022
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 20620 Homestead RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Derek Le, RPHPharmacist1679057558
- Sarah Reno, PHARMDPharmacist1255911699
Verify Stephen Leung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 77654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
100 Medicare Part D claims for 99 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Arexvy57 claims
- Shingrix25 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.
Stephen Leung among 32,533 pharmacist records in California
Stephen Leung 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 2019, is newer than 67% of them.
- NPI issued2019 · 67% of these records are older, 27% 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 updated2022 · 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).
33 pharmacist records list a practice address in Cupertino
They are 33 of the 945 NPPES records with a practice address in Cupertino, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Cupertino → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Kimberly Bayerbach, PHARMDCupertino, CA 950141881026086
- Nela Cheng, PHARM.D, BCPPCupertino, CA 950141417058181
- Carrie Fu, PHARM.D.Cupertino, CA 950141184926651
- Helen Gavrilova, PHARM. D.Cupertino, CA 950141952719742
- Christine Giang, PHARMDCupertino, CA 950141649523747
- Nancy Granzella, PHARM.D.Cupertino, CA 950141790871689
- Zhuang GuCupertino, CA 950141386937134
- Carolyn HongCupertino, CA 950141669744827
Common questions
What is Stephen Leung's NPI number?
Stephen Leung's National Provider Identifier (NPI) is 1033779012, issued on Jun 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Leung located?
The NPPES record lists a practice address at 20620 Homestead RD, Cupertino, CA, 95014. Phone: (408) 253-0122. Providers update this record themselves, so call before visiting.
How can I verify Stephen Leung's license?
NPPES lists California license number 77654, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stephen Leung prescribe under Medicare Part D?
In 2024, Stephen Leung had 100 Medicare Part D claims for 99 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.