Khanh Nguyen, MD
NPI 1003803974 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Khanh Nguyen, MD is a Internal Medicine Physician provider in Houston, TX (NPI 1003803974).
Provider details
- NPI number
- 1003803974
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- M1976 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,394 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 | 782 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 287 | $9 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 269 | $54 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 16 | $14 |
| Administration of Influenza Virus VaccineG0008 | 16 | $33 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 163 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 1,156 | 378 |
| Atorvastatin Calcium | 714 | 240 |
| Icosapent Ethylbrand: Vascepa | 628 | 176 |
| Losartan Potassium | 499 | 162 |
| Metformin Hcl | 475 | 138 |
| Pioglitazone Hcl | 465 | 138 |
| Gabapentin | 427 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$922 across 15 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
- 2005-10-05
- Last updated
- 2008-05-08
Frequently asked questions
- What is Khanh Nguyen's NPI number?
- Khanh Nguyen's National Provider Identifier (NPI) is 1003803974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Khanh Nguyen's specialty?
- Khanh Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Khanh Nguyen located?
- Khanh Nguyen's practice location on file with NPPES is 10701 Vintage Preserve, Houston, TX 77070.
- What is Khanh Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Khanh Nguyen is (713) 442-0000.
- Does Khanh Nguyen accept Medicare?
- Khanh Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Khanh Nguyen's NPI active?
- Yes — Khanh Nguyen's NPI (1003803974) is active in the NPPES registry as of the last update on 2008-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.