Hieu Nguyen
NPI 1346619731 · Medical Physician Assistant · San Bernardino, CA
Enrolled with Medicare as Order and Referring Only - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hieu Nguyen is a Medical Physician Assistant provider in San Bernardino, CA (NPI 1346619731).
Provider details
- NPI number
- 1346619731
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PA52758 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 152 | 61 |
| Atorvastatin Calcium | 147 | 65 |
| Amlodipine Besylate | 118 | 52 |
| Metformin Hcl | 114 | 47 |
| Hydrochlorothiazide | 78 | 31 |
| Losartan Potassium | 64 | 25 |
| Diclofenac Sodium | 57 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$247 across 22 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
- 2015-09-16
- Last updated
- 2017-01-04
Frequently asked questions
- What is Hieu Nguyen's NPI number?
- Hieu Nguyen's National Provider Identifier (NPI) is 1346619731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hieu Nguyen's specialty?
- Hieu Nguyen is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Hieu Nguyen located?
- Hieu Nguyen's practice location on file with NPPES is 565 N Mount Vernon Ave, San Bernardino, CA 92411-2661.
- What is Hieu Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Hieu Nguyen is (909) 884-9091.
- Does Hieu Nguyen accept Medicare?
- Hieu Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hieu Nguyen's NPI active?
- Yes — Hieu Nguyen's NPI (1346619731) is active in the NPPES registry as of the last update on 2017-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.