Chau Nguyen, DO
NPI 1396197661 · Internal Medicine Physician · Georgetown, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chau Nguyen, DO is a Internal Medicine Physician provider in Georgetown, TX (NPI 1396197661).
Provider details
- NPI number
- 1396197661
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- R10587 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,764 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 260 | $122 |
| 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'SG2211 | 212 | $16 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 169 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 156 | $8 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 140 | $16 |
| Blood Test, Lipids (cholesterol and Triglycerides) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 287 | 102 |
| Amlodipine Besylate | 240 | 80 |
| Levothyroxine Sodium | 231 | 68 |
| Losartan Potassium | 152 | 51 |
| Gabapentin | 146 | 42 |
| Rosuvastatin Calcium | 137 | 50 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$313 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 1111 6th AveDes Moines, IA 50314-2613Phone: (515) 643-2261Fax: (515) 643-5802
- 2301 Clear Creek Rd Ste 126Killeen, TX 76549-4119Phone: (254) 519-3131Fax: (254) 519-3133
Registry dates
- Enumerated
- 2016-07-11
- Last updated
- 2021-11-14
- Certified
- 2021-11-14
Frequently asked questions
- What is Chau Nguyen's NPI number?
- Chau Nguyen's National Provider Identifier (NPI) is 1396197661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chau Nguyen's specialty?
- Chau Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chau Nguyen located?
- Chau Nguyen's practice location on file with NPPES is 904 W University Ave Ste 101, Georgetown, TX 78626-6512.
- What is Chau Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Chau Nguyen is (512) 819-0264.
- Does Chau Nguyen accept Medicare?
- Chau Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chau Nguyen's NPI active?
- Yes — Chau Nguyen's NPI (1396197661) is active in the NPPES registry as of the last update on 2021-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.