Thanh Dieu Truong
Psychiatry Physician · Brea, CA
Thanh Dieu Truong is a psychiatry physician with a practice address in Brea, California, and NPI 1457855066, issued on Mar 19, 2018. Check the license (California A163474, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thanh Dieu Truong
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A163474 CA
Self-reported in NPPES; status is on the state search - Practice location
- 120 S State College Blvd Ste 150, Brea, CA 92821
- Phone
- (714) 577-5400
- Enumerated
- Mar 19, 2018
- Record last updated
- Jun 20, 2025
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 120 S State College Blvd Ste 150
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alfredo FloresPsychologist1417520099
Verify Thanh Dieu Truong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A163474Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatry physician in 2024
45 Medicare Part D claims for 12 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Thanh Dieu Truong among 8,673 psychiatry physician records in California
Thanh Dieu Truong is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Brea → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jessica Kim, MDBrea, CA 928211215391768
- Gregg Sentenn, M.D.Brea, CA 928211508998329
- Francis Shih, M.D.Brea, CA 928211194777151
- Michael Wu, M.D.Brea, CA 928211679573885
- Jennifer Kawase, MDBrea, CA 928221962609396
- Clayton Chau, MD, PHDBrea, CA 928231104914449
- Hardeep Singh-Moran, D.O.Anaheim, CA 928161568044014
- Racha ChamlatiFullerton, CA 928311215599337
Common questions
What is Thanh Dieu Truong's NPI number?
Thanh Dieu Truong's National Provider Identifier (NPI) is 1457855066, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Thanh Dieu Truong located?
The NPPES record lists a practice address at 120 S State College Blvd Ste 150, Brea, CA, 92821. Phone: (714) 577-5400. Providers update this record themselves, so call before visiting.
How can I verify Thanh Dieu Truong's license?
NPPES lists California license number A163474, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thanh Dieu Truong prescribe under Medicare Part D?
In 2024, Thanh Dieu Truong had 45 Medicare Part D claims for 12 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.