Tri Nguyen, DO
NPI 1033371604 · Family Medicine Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tri Nguyen, DO is a Family Medicine Physician provider in Riverside, CA (NPI 1033371604).
Provider details
- NPI number
- 1033371604
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A112215 (CA)
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
18 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
575 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 | 339 | $93 |
| Urinalysis, Manual Test81002 | 81 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 52 | $132 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 30 | $16 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 19 | $3 |
| Inhalation Treatment for Airway Obstruction Or Sputum Production94640 | 19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 187 | 177 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 168 | 161 |
| Lidocaine Hclbrand: Lidocaine Hcl Viscous | 137 | 136 |
| Prednisone | 128 | 123 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 127 | 126 |
| Beclomethasone Dipropionatebrand: Qvar Redihaler | 117 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 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
- 2008-06-25
- Last updated
- 2025-04-14
- Certified
- 2025-04-14
Frequently asked questions
- What is Tri Nguyen's NPI number?
- Tri Nguyen's National Provider Identifier (NPI) is 1033371604, 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 Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tri Nguyen located?
- Tri Nguyen's practice location on file with NPPES is 7117 Brockton Ave, Riverside, CA 92506-2658.
- What is Tri Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tri Nguyen is (951) 782-3789.
- 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 (1033371604) is active in the NPPES registry as of the last update on 2025-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.