Victor Nguyen, MD
NPI 1144330051 · Internal Medicine Physician · Murrieta, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Victor Nguyen, MD is a Internal Medicine Physician provider in Murrieta, CA (NPI 1144330051).
Provider details
- NPI number
- 1144330051
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A68591 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
2,854 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,056 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 728 | $93 |
| Assessment of Emotional Or Behavioral Problems96127 | 204 | $5 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 155 | $133 |
| Administration of Influenza Virus VaccineG0008 | 108 | $33 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 92 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 195 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,133 | 363 |
| Levothyroxine Sodium | 746 | 217 |
| Rosuvastatin Calcium | 681 | 230 |
| Amlodipine Besylate | 680 | 210 |
| Lisinopril | 608 | 198 |
| Metformin Hcl | 519 | 165 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,573 across 76 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
- 2006-08-30
- Last updated
- 2009-12-22
Frequently asked questions
- What is Victor Nguyen's NPI number?
- Victor Nguyen's National Provider Identifier (NPI) is 1144330051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Victor Nguyen's specialty?
- Victor Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Victor Nguyen located?
- Victor Nguyen's practice location on file with NPPES is 39765 Date St,, Murrieta, CA 92563.
- What is Victor Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Victor Nguyen is (951) 894-4665.
- Does Victor Nguyen accept Medicare?
- Victor Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Victor Nguyen's NPI active?
- Yes — Victor Nguyen's NPI (1144330051) is active in the NPPES registry as of the last update on 2009-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.