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Internal Medicine

Liem T. Nguyen, MD

Works at hospitals in Abilene, TX · Texas

Summary

Dr. Liem T. Nguyen, MD is an internal medicine doctor at 1900 Pine St, Abilene, TX 79601. Phone: (325) 670-2000. Accepts Medicare assignment. In 2024, Liem T. Nguyen had 332 Original Medicare patients and 1,143 services. NPI 1982865952. 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: 1900 Pine St, Abilene, TX 79601 · Directions
  • Phone: (325) 670‑2000
  • Medicare: Accepts Medicare assignment
  • Hospital: Hendrick Medical Center
  • Group practice: Quantum Emergency Physicians PA
  • Medical school: graduated 2008 (18 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Liem 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 Liem T. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Liem 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 Liem T. Nguyen see?
In 2024, CMS data shows 332 Original Medicare patients and 1,143 services for Liem T. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Liem T. Nguyen's NPI number?
1982865952. 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 Liem 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 patients332
Services billed to Medicare1,143
Different services or procedures8
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)682 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)227 services
  3. Hospital discharge day management, more than 30 minutes (99239)141 services
  4. Hospital discharge day management, 30 minutes or less (99238)63 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)23 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%
  • Arthritis68%
  • Ischemic heart disease55%
  • Heart failure51%
  • Chronic kidney disease47%

Hospitals where Liem T. Nguyen works

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

Group practices

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

  • Quantum Emergency Physicians PA74 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Abilene

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

All internal medicine doctors in Abilene →

Other clinicians in Quantum Emergency Physicians PA

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

Clinician information

CredentialMD
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982865952
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