NPPES file of Aug 9, 2026

Triet M. Nguyen, DO

Psychiatry Physician · Renton, WA

Triet M. Nguyen, DO is a psychiatry physician with a practice address in Renton, Washington, and NPI 1538105325, issued on Jun 21, 2006. Check the license (Washington OP00001920, as entered in NPPES) on the Washington Medical Commission; 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
1538105325
Name
Triet M. Nguyen
Credential
DO
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
OP00001920 WA
Self-reported in NPPES; status is on the state search
Practice location
4445 Talbot RD S, Renton, WA 98055
Phone
(425) 690-3414
Enumerated
Jun 21, 2006
Record last updated
Sep 1, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(425) 690-9414
Medicaid ID
2010667 WA
Medicare enrollment
Enrolled (PECOS I20050822001177); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2001
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 4445 Talbot RD S

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

  1. Sayaka Ashe, LMHCMental Health Counselor1073056305
  2. Sara Bainter, MAMental Health Counselor1114383825
  3. Zeenat Batstone, LMHCMental Health Counselor1578510061
  4. Aaron Bobb, MDPsychiatry Physician1407185382
  5. Ronald CohenPsychiatry Physician1487698320
  6. Roger Corn, CPPsychologist1588608426

Verify Triet M. Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP00001920
    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
Open the Washington license search

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2.2 times the Medicare Part D claims of the average psychiatry physician in 2024

2,155 Medicare Part D claims for 159 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims.

  1. Triet Nguyen2,155
  2. Specialty average1,000

Most prescribed

  1. Lamotrigine210 claims
  2. Alprazolam149 claims
  3. Bupropion Xl135 claims
  4. Aripiprazole123 claims
  5. Trazodone Hcl117 claims
  6. Lorazepam110 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.

Bills Medicare through one group practice

  1. Valley Medical Group-RentonRenton, WA

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

Triet M. Nguyen among 1,195 psychiatry physician records in Washington

Triet M. Nguyen, DO is one of 1,195 psychiatry physician records with a practice address in Washington. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 57% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileYes · 39% of these records are
  • Graduated2001 · median 2007 among the 462 with a school on file
  • Record last updated2020 · 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 2084P0800X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Washington

There are 1,195 psychiatry physician records in Washington.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Aaron Bobb, MDRenton, WA 980551407185382
  2. Sumita Chakrapani, M.D.Renton, WA 980551992018154
  3. Ronald CohenRenton, WA 980551487698320
  4. Jennifer Hsu, DORenton, WA 980551841794864
  5. Jay Jawad, MDRenton, WA 980551386728095
  6. Shamim Nejad, MDRenton, WA 980551124120761
  7. Nam Nguyen, D.ORenton, WA 980551043442932
  8. Liza Partlow Lohse, MDRenton, WA 980551295927804

Common questions

What is Triet M. Nguyen, DO's NPI number?

Triet M. Nguyen, DO's National Provider Identifier (NPI) is 1538105325, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Triet M. Nguyen, DO located?

The NPPES record lists a practice address at 4445 Talbot RD S, Renton, WA, 98055. Phone: (425) 690-3414. Providers update this record themselves, so call before visiting.

How can I verify Triet M. Nguyen, DO's license?

NPPES lists Washington license number OP00001920, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Triet M. Nguyen, DO prescribe under Medicare Part D?

In 2024, Triet M. Nguyen, DO had 2,155 Medicare Part D claims for 159 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.