Runyu Chen, PHARM D
Ambulatory Care Pharmacist · Oakland, CA
Runyu Chen, PHARM D is an ambulatory care pharmacist with a practice address in Oakland, California, and NPI 1902213952, issued on Jul 22, 2014. Check the license (California 69775, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Runyu Chen
- Credential
- PHARM D
- Primary taxonomy
- Ambulatory Care Pharmacist 1835P2201X
- License number
- 69775 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3801 Howe St, Oakland, CA 94611
- Phone
- (510) 752-1190
- Enumerated
- Jul 22, 2014
- Record last updated
- Nov 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest ambulatory care pharmacist records → All 485 in California → Look up another NPI →
Also registered at 3801 Howe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paula BaesslerPharmacist1407380520
- Deempal Bhatt, PHARM.DPharmacist1417393828
- Christopher Canlas, DOFamily Medicine Physician1477291615
- Chi ChiangPharmacist1083149561
- Clara Chu, M.D.Family Medicine Physician1659798874
- John Colucci, DOFamily Medicine Physician1770010720
Verify Runyu 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 69775Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average ambulatory care pharmacist in 2024
218 Medicare Part D claims for 195 beneficiaries, against an average of 527 among the 449 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Paxlovid92 claims
- Losartan Potassium24 claims
- Amlodipine Besylate21 claims
- Lisinopril18 claims
- Hydrochlorothiazide12 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.
Runyu Chen among 485 ambulatory care pharmacist records in California
Runyu Chen, PHARM D is one of 485 ambulatory care pharmacist records with a practice address in California. 39% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 8% of them.
- NPI issued2014 · 8% of these records are older, 90% newer
- In a Medicare fileYes · 39% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2019 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P2201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ambulatory Care Pharmacist providers in California
There are 485 ambulatory care pharmacist records in California.
All 485 in California → Every provider in Oakland → Ambulatory Care Pharmacist nationwide →
The 8 ambulatory care pharmacist records with the nearest ZIP codes
- William Do, PHARM.D., BCPSOakland, CA 946111699446252
- Lien Ha, PHARMDOakland, CA 946111811448095
- Nika Kaabi, PHARMDOakland, CA 946111285314658
- Tiffany Lee-ChanOakland, CA 946111285910588
- Michal Mingura, PHARMDOakland, CA 946111225488505
- Janice Park, PHARM.D.Oakland, CA 946111801406095
- An PhamOakland, CA 946111497395271
- Yesenia Revuelta-Ozuna, PHARM.D.Oakland, CA 946111528844727
Common questions
What is Runyu Chen, PHARM D's NPI number?
Runyu Chen, PHARM D's National Provider Identifier (NPI) is 1902213952, issued on Jul 22, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Runyu Chen, PHARM D located?
The NPPES record lists a practice address at 3801 Howe St, Oakland, CA, 94611. Phone: (510) 752-1190. Providers update this record themselves, so call before visiting.
How can I verify Runyu Chen, PHARM D's license?
NPPES lists California license number 69775, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Runyu Chen, PHARM D prescribe under Medicare Part D?
In 2024, Runyu Chen, PHARM D had 218 Medicare Part D claims for 195 beneficiaries; the average among ambulatory care pharmacist prescribers was 527. 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.