NPPES file of Aug 9, 2026

Quynh Hue Trieu, PHARM. D

Pharmacist · San Marcos, CA

Quynh Hue Trieu, PHARM. D is a pharmacist with a practice address in San Marcos, California, and NPI 1609003045, issued on Jun 12, 2009. Check the license (California 52124, 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
1609003045
Name
Quynh Hue Trieu
Credential
PHARM. D
Primary taxonomy
Pharmacist 183500000X
License number
52124 CA
Self-reported in NPPES; status is on the state search
Practice location
400 Craven RD, San Marcos, CA 92078
Phone
(760) 510-5336
Enumerated
Jun 12, 2009
Record last updated
Jun 12, 2009 (not updated in 17 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 400 Craven RD

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

  1. Tracy Abrams, R.N.Registered Nurse1073991261
  2. Eric Adiarte, M.D.Obstetrics & Gynecology Physician1902038284
  3. Shreya Aiyar, MDPediatrics Physician1922685981
  4. Najlaa Al-Jibouri, PHARM DPharmacist1447438965
  5. Jennifer Alexander, RCP, RRTPulmonary Function Technologist Certified Respiratory Therapist1023596442
  6. Marisa Alunni, M.D.Obstetrics & Gynecology Physician1710298476

Verify Quynh Hue Trieu 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 52124
    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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84% fewer Medicare Part D claims than the average pharmacist in 2024

19 Medicare Part D claims for 11 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D.

  1. Quynh Trieu19
  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.

Quynh Hue Trieu among 32,533 pharmacist records in California

Quynh Hue Trieu, PHARM. D 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 2009, is newer than 11% of them.

  • NPI issued2009 · 11% of these records are older, 88% 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 updated2009 · 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).

96 pharmacist records list a practice address in San Marcos

They are 96 of the 1,985 NPPES records with a practice address in San Marcos, and 32,533 pharmacist records in California.

The 8 pharmacist records with the nearest ZIP codes

  1. Najlaa Al-Jibouri, PHARM DSan Marcos, CA 920781447438965
  2. Theresa Bach, PHARMD.San Marcos, CA 920781740501147
  3. Rose Feaver, PHARM.D.San Marcos, CA 920781043451404
  4. Leonard Koda, PH.D.San Marcos, CA 920781568507663
  5. Janice Lambert, PHARMDSan Marcos, CA 920781740450451
  6. Lundy Lee, PHARMDSan Marcos, CA 920781730203787
  7. Michael Lenzner, R.PH.San Marcos, CA 920781013230655
  8. Edward Martinez, PHARM D.San Marcos, CA 920781114195286

Common questions

What is Quynh Hue Trieu, PHARM. D's NPI number?

Quynh Hue Trieu, PHARM. D's National Provider Identifier (NPI) is 1609003045, issued on Jun 12, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Quynh Hue Trieu, PHARM. D located?

The NPPES record lists a practice address at 400 Craven RD, San Marcos, CA, 92078. Phone: (760) 510-5336. Providers update this record themselves, so call before visiting.

How can I verify Quynh Hue Trieu, PHARM. D's license?

NPPES lists California license number 52124, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Quynh Hue Trieu, PHARM. D prescribe under Medicare Part D?

In 2024, Quynh Hue Trieu, PHARM. D had 19 Medicare Part D claims for 11 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.