Jiawen Zeng
Pharmacist · Lafayette, CA
Jiawen Zeng is a pharmacist with a practice address in Lafayette, California, and NPI 1700498615, issued on Aug 21, 2020. Check the license (California RPH82986, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jiawen Zeng
- Primary taxonomy
- Pharmacist 183500000X
- License number
- RPH82986 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3625 Mt Diablo Blvd, Lafayette, CA 94549
- Phone
- (925) 284-7121
- Enumerated
- Aug 21, 2020
- Record last updated
- Aug 21, 2020 (not updated in 6 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 3625 Mt Diablo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamie Kaya, PHARM.D.Pharmacist1427258011
- Vincent NguyenPharmacist1083277453
- Shima Novin, PHARMDPharmacist1639717309
- Satinder Sheena, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1669871877
Verify Jiawen Zeng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RPH82986Check 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
69 Medicare Part D claims for 61 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.
- Abrysvo31 claims
- Shingrix19 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.
Jiawen Zeng among 32,533 pharmacist records in California
Jiawen Zeng 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 2020, is newer than 73% of them.
- NPI issued2020 · 73% of these records are older, 21% 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 updated2020 · 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).
12 pharmacist records list a practice address in Lafayette
They are 12 of the 736 NPPES records with a practice address in Lafayette, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Lafayette → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Eman Elbeialy, PHARMDLafayette, CA 945491821797804
- Silvia Hernandez, RPHLafayette, CA 945491477854321
- Jamie Kaya, PHARM.D.Lafayette, CA 945491427258011
- Andrew Kook, R.PHLafayette, CA 945491851713788
- Navpreet Marwaha, PHARMDLafayette, CA 945491801177993
- Vincent NguyenLafayette, CA 945491083277453
- Shima Novin, PHARMDLafayette, CA 945491639717309
- Christopher Oyoung, RPHLafayette, CA 945491306138821
Common questions
What is Jiawen Zeng's NPI number?
Jiawen Zeng's National Provider Identifier (NPI) is 1700498615, issued on Aug 21, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Jiawen Zeng located?
The NPPES record lists a practice address at 3625 Mt Diablo Blvd, Lafayette, CA, 94549. Phone: (925) 284-7121. Providers update this record themselves, so call before visiting.
How can I verify Jiawen Zeng's license?
NPPES lists California license number RPH82986, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jiawen Zeng prescribe under Medicare Part D?
In 2024, Jiawen Zeng had 69 Medicare Part D claims for 61 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.