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Internal Medicine

Hai Quan N. Truong, MD

Works at hospitals in Seattle, WA · Washington

Summary

Dr. Hai Quan N. Truong, MD is an internal medicine doctor at 125 16th Ave E, Seattle, WA 98112. Phone: (206) 326-2662. Accepts Medicare assignment. In 2024, Hai Quan N. Truong had 15 Original Medicare patients and 25 services. NPI 1841752516. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 125 16th Ave E, Seattle, WA 98112 · Directions
  • Phone: (206) 326‑2662
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Permanente Central Hospital
  • Group practice: Kaiser Foundation Health Plan of Washington
  • Medical school: University Of Washington School Of Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Hai Quan N. Truong, 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 Hai Quan N. Truong accept Medicare assignment?
Yes. Medicare's clinician data says Hai Quan N. Truong 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 Hai Quan N. Truong see?
In 2024, CMS data shows 15 Original Medicare patients and 25 services for Hai Quan N. Truong. This counts Original Medicare only and measures volume, not quality.
What is Hai Quan N. Truong's NPI number?
1841752516. 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 Hai Quan N. Truong, 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 patients15
Services billed to Medicare25
Different services or procedures11
Participating Medicare providerYes
Average age of these patients69

Hospitals where Hai Quan N. Truong works

Medicare's Facility Affiliation Data lists Hai Quan N. Truong at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Hai Quan N. Truong is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hai Quan N. Truong as a member of this group (CMS data updated October 2, 2026).

  • Kaiser Foundation Health Plan of Washington1,526 clinicians in the group

Specialties

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Seattle

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

All internal medicine doctors in Seattle →

Other clinicians in Kaiser Foundation Health Plan of Washington

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

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841752516
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians