Harrison Duc Nguyen, PHARMD
Pharmacist · Lake Elsinore, CA
Harrison Duc Nguyen, PHARMD is a pharmacist with a practice address in Lake Elsinore, California, and NPI 1225519283, issued on Aug 27, 2018. Check the license (California 78643, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Harrison Duc Nguyen
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 78643 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18269 Collier Ave, Lake Elsinore, CA 92530
- Phone
- (951) 471-2132
- Enumerated
- Aug 27, 2018
- Record last updated
- Aug 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (951) 674-2359
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 18269 Collier Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alfred MetwashlaPharmacist1144760729
Verify Harrison Duc Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 78643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average pharmacist in 2024
200 Medicare Part D claims for 131 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril14 claims
- Atorvastatin Calcium12 claims
- Losartan Potassium11 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.
Harrison Duc Nguyen among 32,533 pharmacist records in California
Harrison Duc Nguyen, 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 2018, is newer than 61% of them.
- NPI issued2018 · 61% of these records are older, 33% 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 updated2018 · 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).
47 pharmacist records list a practice address in Lake Elsinore
They are 47 of the 818 NPPES records with a practice address in Lake Elsinore, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Lake Elsinore → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Gloria Aidoo, PHARMDLake Elsinore, CA 925301811155575
- Patrick Chern, PHARM.DLake Elsinore, CA 925301427343813
- Noemie Dyer, RPHLake Elsinore, CA 925301992930812
- Sun Kim, PHARM DLake Elsinore, CA 925301205110483
- Lance Laughridge, PHARM.D.Lake Elsinore, CA 925301891064689
- Thuy-Tran Le, PHARMDLake Elsinore, CA 925301487078119
- Jonathan Luu, PHARM.D.Lake Elsinore, CA 925301295036358
- Joanne Nam, RPHLake Elsinore, CA 925301790055283
Common questions
What is Harrison Duc Nguyen, PHARMD's NPI number?
Harrison Duc Nguyen, PHARMD's National Provider Identifier (NPI) is 1225519283, issued on Aug 27, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Harrison Duc Nguyen, PHARMD located?
The NPPES record lists a practice address at 18269 Collier Ave, Lake Elsinore, CA, 92530. Phone: (951) 471-2132. Providers update this record themselves, so call before visiting.
How can I verify Harrison Duc Nguyen, PHARMD's license?
NPPES lists California license number 78643, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Harrison Duc Nguyen, PHARMD prescribe under Medicare Part D?
In 2024, Harrison Duc Nguyen, PHARMD had 200 Medicare Part D claims for 131 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.