Chau B. Nguyen, DO

Medicare activity in 2024

Official CMS public-use data for Chau B. 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.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)260 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)212 services
3. Blood test, comprehensive group of blood chemicals (80053)169 services
4. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)156 services
5. Blood test, thyroid stimulating hormone (tsh) (84443)140 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 pressure70%
• High cholesterol69%
• Arthritis35%
• Diabetes27%
• Ischemic heart disease24%
• Depression19%

Hospitals where Chau B. Nguyen works

Medicare's Facility Affiliation Data lists Chau B. 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.

• Ascension Seton Cedar ParkCedar Park, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 670043

Practice locations

Addresses where Chau B. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

• 1807 W Slaughter Ln, 490 Arc SouthwestAustin, TX 78748 (512) 282‑8967
• 940 W University Ave, Suite 101Georgetown, TX 78626 (737) 220‑7500

Group practices

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

• Austin Regional Clinic PA397 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Austin

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

• Erica M. Carroll, MD
• Brooke R. Wagen, MD
• Thao Tran, DO
• Mariam M. Carpenter, MD
• Aravind Ramakrishnan, MD
• Donovan H. Sigerfoos, MD
• Gowrishankar Gnanasekaran, MD
• Gabriela Pichardo Lafontaine, MD

All internal medicine doctors in Austin →

Other clinicians in Austin Regional Clinic PA

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

• Kathleen L. Kraft, NP
• Dominique J. Isaac, MD
• Robert W. Norris, MD
• Kevin P. O Farrell, MD
• Richard Walton, MD
• Sangeetha Mariappan, MD

Clinician information

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