NPPES file of Aug 9, 2026

Thanhlan Nguyen

Pharmacist · Union City, CA

Thanhlan Nguyen is a pharmacist with a practice address in Union City, California, and NPI 1851610315, issued on May 24, 2010. Check the license (California 54309, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851610315
Name
Thanhlan Nguyen
Primary taxonomy
Pharmacist 183500000X
License number
54309 CA
Self-reported in NPPES; status is on the state search
Practice location
31836 Alvarado Blvd, Union City, CA 94587
Phone
(510) 489-3955
Enumerated
May 24, 2010
Record last updated
May 24, 2010 (not updated in 16 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 31836 Alvarado Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephen Choy, PHARMDPharmacist1083492862
  2. Amer Khan, PHARM.D.Pharmacist1487240511
  3. Love KharbandaPharmacist1669030151
  4. Jeemeng LaoPharmacist1912544099
  5. Jessica OcampoPharmacist1932807500
  6. Sylvia Tong, RPHPharmacist1336468826

Verify Thanhlan Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 54309
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Most of these Medicare Part D claims are vaccines, 91% of the cost of the top drugs

228 Medicare Part D claims for 172 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.

  1. Thanhlan Nguyen228
  2. Specialty average119

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.

  1. Arexvy63 claims
  2. Shingrix41 claims
  3. Twinrix38 claims
  4. Boostrix Tdap34 claims
  5. Naloxone Hcl17 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.

75 pharmacist records list a practice address in Union City

They are 75 of the 1,006 NPPES records with a practice address in Union City, and 32,533 pharmacist records in California.

Other pharmacist records in California

  1. Caroline A-Haja, PHARM.D.San Pedro, CA1851664361
  2. Gayatri AachiLivermore, CA1235660754
  3. Adrian Karlos Aala, PHARMD, RPHHayward, CA1023955499
  4. Mahshid Aalam, PHARMDLos Angeles, CA1659086155
  5. Jaleh AaliiveliSan Ramon, CA1336629963
  6. Cassi Aarvig, RPHTracy, CA1023679941
  7. Meara Michi AbadOrange, CA1750181178
  8. Nader Abadier, RPHFontana, CA1326255647
  9. Samia Abadier, RPHFontana, CA1548742836
  10. Sandy Abadir, RPHChino Hills, CA1811644412

Common questions

What is Thanhlan Nguyen's NPI number?

Thanhlan Nguyen's National Provider Identifier (NPI) is 1851610315, issued on May 24, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Thanhlan Nguyen located?

The NPPES record lists a practice address at 31836 Alvarado Blvd, Union City, CA, 94587. Phone: (510) 489-3955. Providers update this record themselves, so call before visiting.

How can I verify Thanhlan Nguyen's license?

NPPES lists California license number 54309, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Thanhlan Nguyen prescribe under Medicare Part D?

In 2024, Thanhlan Nguyen had 228 Medicare Part D claims for 172 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.