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Diagnostic Radiology

Quan D. Nguyen, MD

Works at hospitals in Houston, TX · Texas

Summary

Dr. Quan D. Nguyen, MD is a radiologist at 1504 Taub Loop, Houston, TX 77030. Phone: (713) 873-2000. Accepts Medicare assignment. In 2024, Quan D. Nguyen had 480 Original Medicare patients and 1,030 services. NPI 1164652707. 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: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 1504 Taub Loop, Houston, TX 77030 · Directions (3 more locations)
  • Phone: (713) 873‑2000
  • Medicare: Accepts Medicare assignment
  • Hospital: Baylor St. Luke's Medical Center
  • Group practice: Singleton Associates PA (+1 more)
  • Medical school: Tulane University School Of Medicine · 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 Quan D. 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 Quan D. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Quan D. 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 Quan D. Nguyen see?
In 2024, CMS data shows 480 Original Medicare patients and 1,030 services for Quan D. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Quan D. Nguyen's NPI number?
1164652707. 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 Quan D. 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 patients480
Services billed to Medicare1,030
Different services or procedures17
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Screening mammography (77067)324 services
  2. Screening 3d breast mammography (77063)317 services
  3. Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)136 services
  4. Diagnostic mammography of both breasts (77066)79 services
  5. Limited ultrasound scan of 1 breast (76642)73 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 cholesterol71%
  • High blood pressure69%
  • Arthritis44%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)29%
  • Diabetes25%
  • Osteoporosis25%

Hospitals where Quan D. Nguyen works

Medicare's Facility Affiliation Data lists Quan D. 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 Quan D. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Quan D. Nguyen as a member of these groups (CMS data updated October 2, 2026).

  • Singleton Associates PA838 clinicians in the group
  • Baylor College of Medicine809 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Texas →

Other radiologists in Houston

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

All radiologists in Houston →

Other clinicians in Singleton Associates PA

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

Clinician information

CredentialMD
Medical schoolTulane University School Of Medicine
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164652707
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