Jun Wei Chen
Pharmacist · Oakland, CA
Jun Wei Chen is a pharmacist with a practice address in Oakland, California, and NPI 1164292652, issued on Jan 5, 2024. Check the license (California 89171, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jun Wei Chen
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 89171 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5100 Broadway, Oakland, CA 94611
- Phone
- (510) 285-0782
- Enumerated
- Jan 5, 2024
- Record last updated
- Jul 16, 2024
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 5100 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Quyen DangPharmacist1548076094
- Nhi LePharmacist1376266320
Verify Jun Wei Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 89171Check 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
40 Medicare Part D claims for 38 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.
- Shingrix11 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.
Jun Wei Chen among 32,533 pharmacist records in California
Jun Wei Chen 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 2024, is newer than 92% of them.
- NPI issued2024 · 92% of these records are older, 5% 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 updated2024 · 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).
413 pharmacist records list a practice address in Oakland
They are 413 of the 18,558 NPPES records with a practice address in Oakland, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Oakland → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Megan Bamberger, PHARM.D.Oakland, CA 946111194810374
- Nora Chovick, PHARM.D.Oakland, CA 946111356430409
- Kristin Edelman, PHARMDOakland, CA 946111578651055
- Gillian Epstein, PHARM.DOakland, CA 946111225139231
- Alice Hwe, PHARM.DOakland, CA 946111417056961
- Ryan Ishimaru, PHARM. DOakland, CA 946111508951930
- Shital Kelshikar, PHARM.D.Oakland, CA 946111093800393
- John Lyckfors, PHARMD DOakland, CA 946111447347828
Common questions
What is Jun Wei Chen's NPI number?
Jun Wei Chen's National Provider Identifier (NPI) is 1164292652, issued on Jan 5, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Jun Wei Chen located?
The NPPES record lists a practice address at 5100 Broadway, Oakland, CA, 94611. Phone: (510) 285-0782. Providers update this record themselves, so call before visiting.
How can I verify Jun Wei Chen's license?
NPPES lists California license number 89171, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jun Wei Chen prescribe under Medicare Part D?
In 2024, Jun Wei Chen had 40 Medicare Part D claims for 38 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.