Thieu Nguyen, M.D.
NPI 1609967165 · Specialist · Houston, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thieu Nguyen, M.D. is a Specialist provider in Houston, TX (NPI 1609967165).
Provider details
- NPI number
- 1609967165
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- J2236 (TX)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,674 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 291 | $13 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician93040 | 290 | $12 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision and Review By Physician93015 | 206 | $64 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 189 | $177 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 175 | $166 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 1,063 | 588 |
| Desonide | 707 | 423 |
| Metoprolol Succinate | 343 | 117 |
| Ranolazinebrand: Ranolazine Er | 305 | 101 |
| Apixabanbrand: Eliquis | 195 | 54 |
| Rivaroxabanbrand: Xarelto | 182 | 45 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$817 across 13 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
Registry dates
- Enumerated
- 2006-09-27
- Last updated
- 2007-07-09
Frequently asked questions
- What is Thieu Nguyen's NPI number?
- Thieu Nguyen's National Provider Identifier (NPI) is 1609967165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thieu Nguyen's specialty?
- Thieu Nguyen is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Thieu Nguyen located?
- Thieu Nguyen's practice location on file with NPPES is 7500 Beechnut St Ste 291, Houston, TX 77074-4336.
- What is Thieu Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Thieu Nguyen is (713) 272-9022.
- Does Thieu Nguyen accept Medicare?
- Thieu Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thieu Nguyen's NPI active?
- Yes — Thieu Nguyen's NPI (1609967165) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.