Joanna Huynh
Pharmacist · West Covina, CA
Joanna Huynh is a pharmacist with a practice address in West Covina, California, and NPI 1851771182, issued on Jun 2, 2015. Check the license (California 51917, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanna Huynh
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 51917 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2630 E Workman Ave, West Covina, CA 91791
- Phone
- (626) 915-3336
- Enumerated
- Jun 2, 2015
- Record last updated
- Jun 2, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (626) 915-3422
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 2630 E Workman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mukeshkumar Modi, RPH (PHARMACIST)Pharmacist1376922344
Verify Joanna Huynh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 51917Check 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, 94% of the cost of the top drugs
90 Medicare Part D claims for 77 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 93% 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.
- Arexvy48 claims
- Boostrix Tdap15 claims
- Shingrix14 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.
Joanna Huynh among 32,533 pharmacist records in California
Joanna Huynh 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 2015, is newer than 41% of them.
- NPI issued2015 · 41% of these records are older, 53% 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 updated2015 · 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).
69 pharmacist records list a practice address in West Covina
They are 69 of the 2,450 NPPES records with a practice address in West Covina, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in West Covina → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Buulinh ChaoWest Covina, CA 917911336557248
- Yenmien ChenLos Angeles, CA 917911780110312
- Cheryl Ann Dacayo, PHARMDWest Covina, CA 917911154836310
- Lobna FathallaWest Covina, CA 917911043181191
- Tran HaWest Covina, CA 917911801204763
- Zeina Hamaty, RPHWest Covina, CA 917911225696545
- Joung Hong, RPHWest Covina, CA 917911447579149
- Irene Kawashima, PHARM.D.West Covina, CA 917911750676656
Common questions
What is Joanna Huynh's NPI number?
Joanna Huynh's National Provider Identifier (NPI) is 1851771182, issued on Jun 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Huynh located?
The NPPES record lists a practice address at 2630 E Workman Ave, West Covina, CA, 91791. Phone: (626) 915-3336. Providers update this record themselves, so call before visiting.
How can I verify Joanna Huynh's license?
NPPES lists California license number 51917, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joanna Huynh prescribe under Medicare Part D?
In 2024, Joanna Huynh had 90 Medicare Part D claims for 77 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.