Dah Young Hsu, PHARMD
Pharmacist · Simi Valley, CA
Dah Young Hsu, PHARMD is a pharmacist with a practice address in Simi Valley, California, and NPI 1346581006, issued on Mar 6, 2013. Check the license (California 75268, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dah Young Hsu
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License numbers
- 75268 CA
026648 GA
Self-reported in NPPES; status is on the state search - Practice location
- 4440 Alamo St, Simi Valley, CA 93063
- Phone
- (805) 522-3120
- Enumerated
- Mar 6, 2013
- Record last updated
- Jul 1, 2025
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 4440 Alamo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kian MehraraPharmacist1548143720
- Diana Thelen, PHARM DPharmacist1033404389
- Kayla Mari Vale Cruz, PHARMDPharmacist1659252146
- Jeena VargesePharmacist1336512706
Verify Dah Young Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 75268Check 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, 92% of the cost of the top drugs
81 Medicare Part D claims for 73 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 99% 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.
- Arexvy31 claims
- Shingrix26 claims
- Boostrix Tdap17 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.
Dah Young Hsu among 32,533 pharmacist records in California
Dah Young Hsu, PHARMD 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 2013, is newer than 32% of them.
- NPI issued2013 · 32% of these records are older, 65% 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 updated2025 · 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).
91 pharmacist records list a practice address in Simi Valley
They are 91 of the 1,397 NPPES records with a practice address in Simi Valley, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Simi Valley → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Sargis Avanesyan, RPHSimi Valley, CA 930631407039886
- Nguyet Banh, PHARM.D.Simi Valley, CA 930631003803008
- Jean BarkerSimi Valley, CA 930631700273521
- Samir DeiboSimi Valley, CA 930631295114163
- Gloria EffarahSimi Valley, CA 930631891195343
- Rafeek IskanderSimi Valley, CA 930631194045989
- Amgad Masih, RPHSimi Valley, CA 930631043554587
- Farnaz Nejad, PHARM D.Simi Valley, CA 930631053611731
Common questions
What is Dah Young Hsu, PHARMD's NPI number?
Dah Young Hsu, PHARMD's National Provider Identifier (NPI) is 1346581006, issued on Mar 6, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Dah Young Hsu, PHARMD located?
The NPPES record lists a practice address at 4440 Alamo St, Simi Valley, CA, 93063. Phone: (805) 522-3120. Providers update this record themselves, so call before visiting.
How can I verify Dah Young Hsu, PHARMD's license?
NPPES lists California license number 75268, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Dah Young Hsu, PHARMD prescribe under Medicare Part D?
In 2024, Dah Young Hsu, PHARMD had 81 Medicare Part D claims for 73 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.