Esther Chen Yang, PHARM.D.
Pharmacist · Agoura Hills, CA
Esther Chen Yang, PHARM.D. is a pharmacist with a practice address in Agoura Hills, California, and NPI 1124362330, issued on Nov 15, 2012. Check the license (California 61288, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Esther Chen Yang
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 61288 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5454 Luis Dr, Agoura Hills, CA 91301
- Phone
- (805) 807-2697
- Enumerated
- Nov 15, 2012
- Record last updated
- Jul 10, 2026
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Verify Esther Chen Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 61288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average pharmacist in 2024
42 Medicare Part D claims for 21 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium15 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.
Esther Chen Yang among 32,533 pharmacist records in California
Esther Chen Yang, PHARM.D. 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 2012, is newer than 28% of them.
- NPI issued2012 · 28% of these records are older, 68% 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 updated2026 · 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).
28 pharmacist records list a practice address in Agoura Hills
They are 28 of the 541 NPPES records with a practice address in Agoura Hills, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Agoura Hills → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Sandra Day Agustin, PHARMDAgoura Hills, CA 913011154608586
- Philip Berger, BPHARMAgoura Hills, CA 913011053701540
- Anthony Cassar, PHARMDAgoura Hills, CA 913011821149030
- Minjuan Fu, PHARMACISTAgoura Hills, CA 913011730463910
- Diane Kenney, PHARM.D.Agoura Hills, CA 913011770978447
- Cindy Mai, PHARM. DAgoura Hills, CA 913011114321601
- Patricia McCook, RPHAgoura Hills, CA 913011972975340
- Valerie Mesaros, PHARM DCalabasas, CA 913011164698635
Common questions
What is Esther Chen Yang, PHARM.D.'s NPI number?
Esther Chen Yang, PHARM.D.'s National Provider Identifier (NPI) is 1124362330, issued on Nov 15, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Esther Chen Yang, PHARM.D. located?
The NPPES record lists a practice address at 5454 Luis Dr, Agoura Hills, CA, 91301. Phone: (805) 807-2697. Providers update this record themselves, so call before visiting.
How can I verify Esther Chen Yang, PHARM.D.'s license?
NPPES lists California license number 61288, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Esther Chen Yang, PHARM.D. prescribe under Medicare Part D?
In 2024, Esther Chen Yang, PHARM.D. had 42 Medicare Part D claims for 21 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.