Tony Viet-Son Nguyen, PST
Pharmacist · Lake Charles, LA
Tony Viet-Son Nguyen, PST is a pharmacist with a practice address in Lake Charles, Louisiana, and NPI 1447864905, issued on Sep 2, 2020. Check the license (Louisiana PST.023591, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tony Viet-Son Nguyen
- Credential
- PST
- Primary taxonomy
- Pharmacist 183500000X
- License number
- PST.023591 LA
Self-reported in NPPES; status is on the state search - Practice location
- 4460 Lake St, Lake Charles, LA 70605
- Phone
- (337) 478-6042
- Enumerated
- Sep 2, 2020
- Record last updated
- Sep 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 4,623 in Louisiana → Look up another NPI →
Also registered at 4460 Lake St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Insik AnPharmacist1952708372
- Kofi AppiahPharmacist1083013452
- Sharon Courrege, RPHPharmacist1477868503
- Rachael FloresPharmacist1841745346
- Tyler HeberlePharmacist1255737912
- Mary Kubiak, RPHPharmacist1801101589
Verify Tony Viet-Son Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license PST.023591Check 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, 100% of the cost of the top drugs
30 Medicare Part D claims for 28 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% 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.
- Arexvy20 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.
Tony Viet-Son Nguyen among 4,623 pharmacist records in Louisiana
Tony Viet-Son Nguyen, PST is one of 4,623 pharmacist records with a practice address in Louisiana. 33% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 78% of them.
- NPI issued2020 · 78% of these records are older, 17% newer
- In a Medicare fileYes · 33% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2020 · 78% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
174 pharmacist records list a practice address in Lake Charles
They are 174 of the 2,791 NPPES records with a practice address in Lake Charles, and 4,623 pharmacist records in Louisiana.
All 4,623 in Louisiana → Every provider in Lake Charles → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Sharon Courrege, RPHLake Charles, LA 706051477868503
- Rollie Flaherty, RPH.,Lake Charles, LA 706051639337462
- Leroy Johnson, PHARMACISTLake Charles, LA 706051740595701
- Vijay KantamLake Charles, LA 706051326354879
- Mary Kubiak, RPHLake Charles, LA 706051801101589
- Charlotte Langston, RPHLake Charles, LA 706051437465754
- Nu Le, PHARM.DLake Charles, LA 706051457667990
- Chad Lemoine, P.D.Lake Charles, LA 706051811210107
Common questions
What is Tony Viet-Son Nguyen, PST's NPI number?
Tony Viet-Son Nguyen, PST's National Provider Identifier (NPI) is 1447864905, issued on Sep 2, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Tony Viet-Son Nguyen, PST located?
The NPPES record lists a practice address at 4460 Lake St, Lake Charles, LA, 70605. Phone: (337) 478-6042. Providers update this record themselves, so call before visiting.
How can I verify Tony Viet-Son Nguyen, PST's license?
NPPES lists Louisiana license number PST.023591, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Tony Viet-Son Nguyen, PST prescribe under Medicare Part D?
In 2024, Tony Viet-Son Nguyen, PST had 30 Medicare Part D claims for 28 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.