Phong Nguyen, M.D.
NPI 1952345506 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phong Nguyen, M.D. is a Internal Medicine Physician provider in Houston, TX (NPI 1952345506).
Provider details
- NPI number
- 1952345506
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- K5362 (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
1,160 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 391 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 315 | $129 |
| Administration of Influenza Virus VaccineG0008 | 117 | $33 |
| Advance Care Planning, First 30 Minutes99497 | 108 | $82 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 95 | $129 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 64 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 176 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 699 | 223 |
| Atorvastatin Calcium | 496 | 150 |
| Losartan Potassium | 351 | 111 |
| Levocetirizine Dihydrochloride | 271 | 100 |
| Levothyroxine Sodium | 271 | 83 |
| Amlodipine Besylate | 259 | 83 |
| Carvedilol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,673 across 80 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
- 2006-06-15
- Last updated
- 2022-05-26
- Certified
- 2022-05-26
Frequently asked questions
- What is Phong Nguyen's NPI number?
- Phong Nguyen's National Provider Identifier (NPI) is 1952345506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phong Nguyen's specialty?
- Phong Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Phong Nguyen located?
- Phong Nguyen's practice location on file with NPPES is 2430 North Fry Road, Houston, TX 77084.
- What is Phong Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Phong Nguyen is (281) 829-3999.
- Does Phong Nguyen accept Medicare?
- Phong Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phong Nguyen's NPI active?
- Yes — Phong Nguyen's NPI (1952345506) is active in the NPPES registry as of the last update on 2022-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.