NPPES file of Aug 9, 2026

John Trieu

Nurse Practitioner · Orange, CA

John Trieu is a nurse practitioner with a practice address in Orange, California, and NPI 1528478112, issued on May 5, 2014. Check the license (California 95000352, 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
1528478112
Name
John Trieu
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95000352 CA
Self-reported in NPPES; status is on the state search
Practice location
265 S Anita Dr Ste 102-104, Orange, CA 92868
Phone
(714) 410-3500
Enumerated
May 5, 2014
Record last updated
Jul 24, 2025
Medicare enrollment
Enrolled (PECOS I20150725012741); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 265 S Anita Dr Ste 102-104

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

  1. Alejandro AcevedoDay Training/Habilitation Specialist1245107150
  2. Clayton AhyouRegistered Nurse1912499021
  3. Destiny AkinsDay Training/Habilitation Specialist1609766450
  4. Jackie AkinsDay Training/Habilitation Specialist1053203653
  5. Angel AlcalaDay Training/Habilitation Specialist1497598015
  6. Cindy AlcalaDay Training/Habilitation Specialist1477390755

Verify John 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 95000352
    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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85% fewer Medicare Part D claims than the average nurse practitioner in 2024

162 Medicare Part D claims for 22 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. John Trieu162
  2. Specialty average1,109

Most prescribed

  1. Mirtazapine25 claims
  2. Trazodone Hcl23 claims
  3. Ziprasidone Hcl18 claims
  4. Invega Sustenna14 claims
  5. Sertraline Hcl11 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.

Industry payments in 2024: $2,112.75

95 payments; by number, the most common kind was food and beverage; the largest payer was Alkermes, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Trieu$2,112.75
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Exodus Recovery IncLynwood, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Trieu among 8,223 nurse practitioner records in California

John Trieu is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 42% of them.

  • NPI issued2014 · 42% of these records are older, 55% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2013 · median 2017 among the 3,425 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

147 nurse practitioner records list a practice address in Orange

They are 147 of the 13,245 NPPES records with a practice address in Orange, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Mahnaz Baradar, N.P.Orange, CA 928681225113293
  2. Rita Ceja, NPOrange, CA 928681033201496
  3. Aiping Dai, NPOrange, CA 928681417053026
  4. Kathleen Doan, R.N., N.P.Orange, CA 928681447295001
  5. Susana Ertac, RN, NPOrange, CA 928681265547335
  6. Jennifer Hillyer, NPOrange, CA 928681154403335
  7. Veronica Kang, PMHNPOrange, CA 928681801815998
  8. Joon Myung, NPOrange, CA 928681518997030

Common questions

What is John Trieu's NPI number?

John Trieu's National Provider Identifier (NPI) is 1528478112, issued on May 5, 2014. An NPI identifies a provider in billing; it is not a license.

Where is John Trieu located?

The NPPES record lists a practice address at 265 S Anita Dr Ste 102-104, Orange, CA, 92868. Phone: (714) 410-3500. Providers update this record themselves, so call before visiting.

How can I verify John Trieu's license?

NPPES lists California license number 95000352, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does John Trieu prescribe under Medicare Part D?

In 2024, John Trieu had 162 Medicare Part D claims for 22 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.