Hao Nguyen, MD
NPI 1306401146 · Internal Medicine Physician · Richardson, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hao Nguyen, MD is a Internal Medicine Physician provider in Richardson, TX (NPI 1306401146).
Provider details
- NPI number
- 1306401146
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- BP10067927 (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
7 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
1,263 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 35 Minutes99232 | 445 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 425 | $112 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 203 | $165 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 190 | $108 |
Typical Medicare-allowed amounts for these services range $75–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 24 | 24 |
| Atorvastatin Calcium | 23 | 20 |
| Prednisone | 22 | 22 |
| Furosemide | 21 | 21 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 20 | 20 |
| Famotidine | 19 | 17 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13 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
- 2019-05-07
- Last updated
- 2022-06-22
- Certified
- 2022-06-22
Frequently asked questions
- What is Hao Nguyen's NPI number?
- Hao Nguyen's National Provider Identifier (NPI) is 1306401146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hao Nguyen's specialty?
- Hao Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hao Nguyen located?
- Hao Nguyen's practice location on file with NPPES is 2831 E President George Bush Hwy, Richardson, TX 75082-3561.
- What is Hao Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Hao Nguyen is (692) 042-0214.
- Does Hao Nguyen accept Medicare?
- Hao Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hao Nguyen's NPI active?
- Yes — Hao Nguyen's NPI (1306401146) is active in the NPPES registry as of the last update on 2022-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.