Brian Nguyen, DO
NPI 1912355983 · Hospitalist Physician · Katy, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Nguyen, DO is a Hospitalist Physician provider in Katy, TX (NPI 1912355983).
Provider details
- NPI number
- 1912355983
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- R5441 (TX)
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
10 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
673 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 369 | $117 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 133 | $113 |
| Advance Care Planning, First 30 Minutes99497 | 53 | $75 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 47 | $173 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 46 | $79 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 25 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 27 | 27 |
| Pantoprazole Sodium | 22 | 17 |
| Atorvastatin Calcium | 21 | 16 |
| Ciprofloxacin Hcl | 19 | 19 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 18 | — |
| Carvedilol | 15 | 12 |
| Cefdinir | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (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
- 2016-05-31
- Last updated
- 2024-09-19
- Certified
- 2024-09-19
Frequently asked questions
- What is Brian Nguyen's NPI number?
- Brian Nguyen's National Provider Identifier (NPI) is 1912355983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Nguyen's specialty?
- Brian Nguyen is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Nguyen located?
- Brian Nguyen's practice location on file with NPPES is 23900 Katy Fwy Ste W2100, Katy, TX 77494-1323.
- What is Brian Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Brian Nguyen is (713) 338-5616.
- Does Brian Nguyen accept Medicare?
- Brian Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Nguyen's NPI active?
- Yes — Brian Nguyen's NPI (1912355983) is active in the NPPES registry as of the last update on 2024-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.