NPPES file of Aug 9, 2026

Quang Thien Nguyen

Pharmacist · Apple Valley, CA

Quang Thien Nguyen is a pharmacist with a practice address in Apple Valley, California, and NPI 1205127123, issued on Apr 26, 2011. Check the license (California 58144, 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
1205127123
Name
Quang Thien Nguyen
Primary taxonomy
Pharmacist 183500000X
License number
58144 CA
Self-reported in NPPES; status is on the state search
Practice location
20250 US Highway 18, Apple Valley, CA 92307
Phone
(760) 946-1174
Enumerated
Apr 26, 2011
Record last updated
Apr 26, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(760) 242-1327
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 20250 US Highway 18

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

  1. James Doan, PHARMDPharmacist1871884619
  2. Kimberly Nguyen, PHARM.D.Pharmacist1831594225
  3. David Yoo, PHARM.D.Pharmacist1861894586

Verify Quang Thien 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 58144
    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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82% fewer Medicare Part D claims than the average pharmacist in 2024

21 Medicare Part D claims, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D.

  1. Quang Nguyen21
  2. Specialty average119

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.

Quang Thien Nguyen among 32,533 pharmacist records in California

Quang Thien Nguyen 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 2011, is newer than 18% of them.

  • NPI issued2011 · 18% of these records are older, 72% 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 updated2011 · 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).

58 pharmacist records list a practice address in Apple Valley

They are 58 of the 1,518 NPPES records with a practice address in Apple Valley, and 32,533 pharmacist records in California.

The 8 pharmacist records with the nearest ZIP codes

  1. Ahmed Abou-El-Seoud, RPHApple Valley, CA 923071578847745
  2. Nader AbuhalawaApple Valley, CA 923071659666972
  3. Hardip ChowdharyApple Valley, CA 923071902119936
  4. Laura Dawly, PHARM.D.Apple Valley, CA 923071639483589
  5. Son Dinh, PHARMDApple Valley, CA 923071144508102
  6. James Doan, PHARMDApple Valley, CA 923071871884619
  7. William EmickApple Valley, CA 923071659659761
  8. Nari KimApple Valley, CA 923071508290644

Common questions

What is Quang Thien Nguyen's NPI number?

Quang Thien Nguyen's National Provider Identifier (NPI) is 1205127123, issued on Apr 26, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Quang Thien Nguyen located?

The NPPES record lists a practice address at 20250 US Highway 18, Apple Valley, CA, 92307. Phone: (760) 946-1174. Providers update this record themselves, so call before visiting.

How can I verify Quang Thien Nguyen's license?

NPPES lists California license number 58144, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Quang Thien Nguyen prescribe under Medicare Part D?

In 2024, Quang Thien Nguyen had 21 Medicare Part D claims; 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.