Trung Nguyen, D.O
NPI 1639631492 · Internal Medicine Physician · Kingwood, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trung Nguyen, D.O is a Internal Medicine Physician provider in Kingwood, TX (NPI 1639631492).
Provider details
- NPI number
- 1639631492
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
738 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 35 Minutes99232 | 324 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 221 | $116 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 115 | $78 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 59 | $166 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 19 | $124 |
Typical Medicare-allowed amounts for these services range $76–$166 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 25 | 16 |
| Apixabanbrand: Eliquis | 17 | 12 |
| Cefdinir | 15 | 15 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 14 | 14 |
| Nifedipinebrand: Nifedipine Er | 14 | 12 |
| Prednisone | 12 | 11 |
| Amoxicillin/Potassium Clav |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-02
- Last updated
- 2022-07-07
- Certified
- 2022-06-23
Frequently asked questions
- What is Trung Nguyen's NPI number?
- Trung Nguyen's National Provider Identifier (NPI) is 1639631492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trung Nguyen's specialty?
- Trung Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Trung Nguyen located?
- Trung Nguyen's practice location on file with NPPES is 22999 US 59 N, Kingwood, TX 77339.
- What is Trung Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Trung Nguyen is (281) 348-8000.
- Does Trung Nguyen accept Medicare?
- Trung Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trung Nguyen's NPI active?
- Yes — Trung Nguyen's NPI (1639631492) is active in the NPPES registry as of the last update on 2022-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.