Alexander Nguyen, MD
NPI 1528001930 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Nguyen, MD is a Internal Medicine Physician provider in Houston, TX (NPI 1528001930).
Provider details
- NPI number
- 1528001930
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- K2762 (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
1,646 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) |
|---|---|---|
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 234 | $40 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 139 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 130 | $127 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 125 | $13 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 121 | $49 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 198 | 50 |
| Atorvastatin Calcium | 145 | 50 |
| Amlodipine Besylate | 109 | 34 |
| Rosuvastatin Calcium | 94 | 30 |
| Metoprolol Succinate | 71 | 27 |
| Tamsulosin Hcl | 63 | 18 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$84 across 5 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
- 2006-06-14
- Last updated
- 2009-12-11
Frequently asked questions
- What is Alexander Nguyen's NPI number?
- Alexander Nguyen's National Provider Identifier (NPI) is 1528001930, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Nguyen's specialty?
- Alexander Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Nguyen located?
- Alexander Nguyen's practice location on file with NPPES is 837 Fm 1960 Rd W, Houston, TX 77090-3423.
- What is Alexander Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Alexander Nguyen is (281) 586-3888.
- Does Alexander Nguyen accept Medicare?
- Alexander Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Nguyen's NPI active?
- Yes — Alexander Nguyen's NPI (1528001930) is active in the NPPES registry as of the last update on 2009-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.