NPPES file of Aug 9, 2026

An Thu Nguyen, RPH

Pharmacist · Garden Grove, CA

An Thu Nguyen, RPH is a pharmacist with a practice address in Garden Grove, California, and NPI 1811216450, issued on May 21, 2010. Check the license (California RPH50747, 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
1811216450
Name
An Thu Nguyen
Credential
RPH
Primary taxonomy
Pharmacist 183500000X
License number
RPH50747 CA
Self-reported in NPPES; status is on the state search
Practice location
12897 Harbor Blvd, Garden Grove, CA 92840
Phone
(714) 636-1143
Enumerated
May 21, 2010
Record last updated
May 21, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(714) 636-1856
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 12897 Harbor Blvd

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

  1. Gary ChanPharmacy Technician1770270472
  2. Raymond Chu, RPHPharmacist1770801706
  3. Elsa MelgozaPharmacy Technician1780371419
  4. Michael Rasky, PHARM.D.Pharmacist1235542341

Verify An Thu 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 RPH50747
    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

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Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs

74 Medicare Part D claims for 65 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.

  1. An Nguyen74
  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. Shingrix38 claims
  2. Abrysvo19 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.

220 pharmacist records list a practice address in Garden Grove

They are 220 of the 4,572 NPPES records with a practice address in Garden Grove, 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 An Thu Nguyen, RPH's NPI number?

An Thu Nguyen, RPH's National Provider Identifier (NPI) is 1811216450, issued on May 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is An Thu Nguyen, RPH located?

The NPPES record lists a practice address at 12897 Harbor Blvd, Garden Grove, CA, 92840. Phone: (714) 636-1143. Providers update this record themselves, so call before visiting.

How can I verify An Thu Nguyen, RPH's license?

NPPES lists California license number RPH50747, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does An Thu Nguyen, RPH prescribe under Medicare Part D?

In 2024, An Thu Nguyen, RPH had 74 Medicare Part D claims for 65 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.