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Psychiatry

Triet M. Nguyen, DO

Sees patients in Renton, WA · Washington

Summary

Dr. Triet M. Nguyen, DO is a psychiatrist at 4445 Talbot Rd S, Renton, WA 98055. Phone: (425) 656-4055. Accepts Medicare assignment. In 2024, Triet M. Nguyen had 64 Original Medicare patients and 251 services. NPI 1538105325. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 4445 Talbot Rd S, Renton, WA 98055 · Directions
  • Phone: (425) 656‑4055
  • Medicare: Accepts Medicare assignment
  • Group practice: Valley Medical Group-Renton
  • Medical school: At Still University Of Health Sciences, College Of Osteo Med, Kirksville · graduated 2001 (25 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Triet M. Nguyen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Triet M. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Triet M. Nguyen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Triet M. Nguyen see?
In 2024, CMS data shows 64 Original Medicare patients and 251 services for Triet M. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Triet M. Nguyen's NPI number?
1538105325. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Triet M. Nguyen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients64
Services billed to Medicare251
Different services or procedures12
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)119 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)49 services
  3. Telephone medical discussion with physician, 11-20 minutes (99442)26 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Anxiety72%
  • High cholesterol64%
  • Depression59%
  • High blood pressure58%
  • Arthritis48%
  • Diabetes28%

Practice locations

Addresses where Triet M. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Triet M. Nguyen as a member of this group (CMS data updated October 2, 2026).

  • Valley Medical Group-Renton411 clinicians in the group

Specialties

Find other Psychiatry doctors in Washington →

Other psychiatrists in Renton

Clinicians with the same Medicare primary specialty in Renton, WA — not a recommendation.

All psychiatrists in Renton →

Other clinicians in Valley Medical Group-Renton

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1538105325
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians