Tri Nguyen, PA
NPI 1578689709 · Physician Assistant · Riverside, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tri Nguyen, PA is a Physician Assistant provider in Riverside, CA (NPI 1578689709).
Provider details
- NPI number
- 1578689709
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- PA14715 (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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 59 | 58 |
| Prednisone | 55 | 54 |
| Azithromycin | 48 | 48 |
| Meloxicam | 38 | 32 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 30 | 28 |
| Ibuprofen | 25 | 23 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 22 | 22 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2021-11-29
Frequently asked questions
- What is Tri Nguyen's NPI number?
- Tri Nguyen's National Provider Identifier (NPI) is 1578689709, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tri Nguyen's specialty?
- Tri Nguyen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tri Nguyen located?
- Tri Nguyen's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Tri Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tri Nguyen is (909) 353-2000.
- Does Tri Nguyen accept Medicare?
- Tri Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tri Nguyen's NPI active?
- Yes — Tri Nguyen's NPI (1578689709) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.