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Emergency Medicine

Viet Q. Duong, MD

Works at hospitals in Lynwood, CA · Lakewood, CA · Orange, CA · California

Summary

Dr. Viet Q. Duong, MD is an emergency medicine doctor at 3630 E Imperial Hwy, Lynwood, CA 90262. Phone: (310) 900-8900. Accepts Medicare assignment. In 2024, Viet Q. Duong had 426 Original Medicare patients and 696 services. NPI 1205965647. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Viet Q. Duong, 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 Viet Q. Duong accept Medicare assignment?
Yes. Medicare's clinician data says Viet Q. Duong 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 Viet Q. Duong see?
In 2024, CMS data shows 426 Original Medicare patients and 696 services for Viet Q. Duong. This counts Original Medicare only and measures volume, not quality.
What is Viet Q. Duong's NPI number?
1205965647. 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 Viet Q. Duong, 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 patients426
Services billed to Medicare696
Different services or procedures37
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)304 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)200 services
  3. Critical care, first 30-74 minutes (99291)84 services
  4. Emergency department visit with moderate level of medical decision making (99284)54 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).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes61%
  • Arthritis54%
  • Chronic kidney disease50%
  • Heart failure43%

Hospitals where Viet Q. Duong works

Medicare's Facility Affiliation Data lists Viet Q. Duong 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.

  • Saint Francis Medical CenterLynwood, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050104
  • UCI Health-LakewoodLakewood, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050581
  • UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Viet Q. Duong is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Viet Q. Duong as a member of this group (CMS data updated October 2, 2026).

  • Cep America - California1,292 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Lynwood

Clinicians with the same Medicare primary specialty in Lynwood, CA — not a recommendation.

All emergency medicine doctors in Lynwood →

Other clinicians in Cep America - California

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

Clinician information

CredentialMD
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205965647
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