Jeffrey Chen
Pharmacist · Oakland, CA
Jeffrey Chen is a pharmacist with a practice address in Oakland, California, and NPI 1629751995, issued on Aug 11, 2023. Check the license (California 88177, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Chen
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 88177 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3600 Broadway, Oakland, CA 94611
- Phone
- (510) 752-1000
- Enumerated
- Aug 11, 2023
- Record last updated
- Aug 11, 2023
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 3600 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jeffrey 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 88177Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average pharmacist in 2024
313 Medicare Part D claims for 221 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate20 claims
- Bupropion Xl18 claims
- Lamotrigine16 claims
- Trazodone Hcl16 claims
- Escitalopram Oxalate15 claims
- Methylphenidate Hcl15 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.
Jeffrey Chen among 32,533 pharmacist records in California
Jeffrey 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 2023, is newer than 88% of them.
- NPI issued2023 · 88% of these records are older, 8% 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 updated2023 · 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 Jeffrey Chen's NPI number?
Jeffrey Chen's National Provider Identifier (NPI) is 1629751995, issued on Aug 11, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Chen located?
The NPPES record lists a practice address at 3600 Broadway, Oakland, CA, 94611. Phone: (510) 752-1000. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Chen's license?
NPPES lists California license number 88177, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jeffrey Chen prescribe under Medicare Part D?
In 2024, Jeffrey Chen had 313 Medicare Part D claims for 221 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.