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Emergency Medicine

An T. Nguyen, MD

Works at hospitals in Denton, TX · Texas

Summary

Dr. An T. Nguyen, MD is an emergency medicine doctor at 1105 Central N Expy, Allen, TX 75013. Phone: (972) 747-1000. Accepts Medicare assignment. In 2024, An T. Nguyen had 845 Original Medicare patients and 1,401 services. NPI 1114030848. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1105 Central N Expy, Allen, TX 75013 · Directions (1 more location)
  • Phone: (972) 747‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Texas Health Presbyterian Hospital Denton
  • Group practice: Texas Medicine Resources, LLP
  • Medical school: Tulane University School Of Medicine · graduated 1998 (28 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about An T. 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 An T. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says An T. 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 An T. Nguyen see?
In 2024, CMS data shows 845 Original Medicare patients and 1,401 services for An T. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is An T. Nguyen's NPI number?
1114030848. 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 An T. 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 patients845
Services billed to Medicare1,401
Different services or procedures22
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)469 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)434 services
  3. Critical care, first 30-74 minutes (99291)224 services
  4. Emergency department visit with moderate level of medical decision making (99284)198 services
  5. Emergency department visit with low level of medical decision making (99283)45 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%
  • Arthritis54%
  • Ischemic heart disease44%
  • Anxiety41%
  • Chronic kidney disease39%

Hospitals where An T. Nguyen works

Medicare's Facility Affiliation Data lists An T. Nguyen 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 An T. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Texas Medicine Resources, LLP261 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in Allen

Clinicians with the same Medicare primary specialty in Allen, TX — not a recommendation.

All emergency medicine doctors in Allen →

Other clinicians in Texas Medicine Resources, LLP

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

Clinician information

CredentialMD
Medical schoolTulane University School Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114030848
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