NPPES file of Aug 9, 2026

Dieuthoa Truonggia, PSY. D.

Clinical Psychologist · Fountain Valley, CA

Dieuthoa Truonggia, PSY. D. is a clinical psychologist with a practice address in Fountain Valley, California, and NPI 1508879313, issued on Aug 14, 2006. Check the license (California PSY18930, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1508879313
Name
Dieuthoa Truonggia
Credential
PSY. D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY18930 CA
Self-reported in NPPES; status is on the state search
Practice location
10900 Warner Ave, Fountain Valley, CA 92708
Phone
(714) 552-6841
Enumerated
Aug 14, 2006
Record last updated
Jul 21, 2022
Fax
(714) 242-1991
Medicare enrollment
Enrolled (PECOS I20120321000373); accepts Medicare assignment
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 10900 Warner Ave

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

  1. Michael Audon, MDAnesthesiology Physician1124256235
  2. Mohamad Bagh, M.D.Anesthesiology Physician1740245323
  3. Suzanne Becker, PT, DPT, SCSPhysical Therapist1124315288
  4. Michael Cao, P.T.Physical Therapist1740390533
  5. Gary Chow, D.D.S.General Practice Dentistry1902824907
  6. Alan Dang, M.D.Internal Medicine Physician1043217359

Verify Dieuthoa Truonggia 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 PSY18930
    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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Dieuthoa Truonggia among 12,647 clinical psychologist records in California

Dieuthoa Truonggia, PSY. D. is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 80% newer
  • In a Medicare fileNo · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2001 · median 2006 among the 2,424 with a school on file
  • Record last updated2022 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in California

There are 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Karen Allen, PHDFountain Valley, CA 927081588964969
  2. Huma Athar-Macdonald, PSYDFountain Valley, CA 927081043237787
  3. Maurie EdelmanFountain Valley, CA 927081063522324
  4. Kenneth Fineman, PH.DFountain Valley, CA 927081700808086
  5. Jo Anne Golden, PH.D.Fountain Valley, CA 927081255336111
  6. Rosette Lee, PSYD, MFTFountain Valley, CA 927081407093123
  7. Diane Lemont, PH.D.Fountain Valley, CA 927081841254562
  8. Norrette Lohr-Thierry, PH.D.Fountain Valley, CA 927081063445609

Common questions

What is Dieuthoa Truonggia, PSY. D.'s NPI number?

Dieuthoa Truonggia, PSY. D.'s National Provider Identifier (NPI) is 1508879313, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dieuthoa Truonggia, PSY. D. located?

The NPPES record lists a practice address at 10900 Warner Ave, Fountain Valley, CA, 92708. Phone: (714) 552-6841. Providers update this record themselves, so call before visiting.

How can I verify Dieuthoa Truonggia, PSY. D.'s license?

NPPES lists California license number PSY18930, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.