Vy Nguyen, MD
NPI 1184604944 · Legal Medicine · Westminster, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vy Nguyen, MD is a Legal Medicine provider in Westminster, CA (NPI 1184604944).
Provider details
- NPI number
- 1184604944
- Entity type
- Individual
- Primary specialty
- Legal MedicineOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A48930 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
484 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 | 462 | $90 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 22 | $141 |
Typical Medicare-allowed amounts for these services range $90–$141 (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 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 257 | 86 |
| Fenofibrate Nanocrystallizedbrand: Fenofibrate | 217 | 74 |
| Methylprednisolone | 177 | 119 |
| Azithromycin | 173 | 111 |
| Empagliflozinbrand: Jardiance | 157 | 25 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 154 | 50 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$409 across 4 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
- 2006-01-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Vy Nguyen's NPI number?
- Vy Nguyen's National Provider Identifier (NPI) is 1184604944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vy Nguyen's specialty?
- Vy Nguyen is listed in the NPPES registry with a primary specialty of Legal Medicine (Other Service Providers).
- Where is Vy Nguyen located?
- Vy Nguyen's practice location on file with NPPES is 10161 Bolsa Ave, Westminster, CA 92683-6768.
- What is Vy Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Vy Nguyen is (714) 775-2222.
- Does Vy Nguyen accept Medicare?
- Vy Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vy Nguyen's NPI active?
- Yes — Vy Nguyen's NPI (1184604944) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.