Trang Dai Nguyen, NP
NPI 1992219539 · Family Nurse Practitioner · San Diego, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trang Dai Nguyen, NP is a Family Nurse Practitioner provider in San Diego, CA (NPI 1992219539).
Provider details
- NPI number
- 1992219539
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 95007814 (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 tenure25% of score
8 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
199 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 178 | $9 |
| Administration of Influenza Virus VaccineG0008 | 21 | $35 |
Typical Medicare-allowed amounts for these services range $9–$35 (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 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 572 | 175 |
| Gabapentin | 510 | 124 |
| Metformin Hcl | 339 | 93 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 332 | 75 |
| Losartan Potassium | 325 | 95 |
| Fluticasone Propionate | 292 | 62 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$32 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
- 2017-11-17
- Last updated
- 2020-07-27
- Certified
- 2020-07-27
Frequently asked questions
- What is Trang Dai Nguyen's NPI number?
- Trang Dai Nguyen's National Provider Identifier (NPI) is 1992219539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trang Dai Nguyen's specialty?
- Trang Dai Nguyen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Trang Dai Nguyen located?
- Trang Dai Nguyen's practice location on file with NPPES is 4690 El Cajon Blvd, San Diego, CA 92115-4403.
- What is Trang Dai Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Trang Dai Nguyen is (619) 445-6200.
- Does Trang Dai Nguyen accept Medicare?
- Trang Dai Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trang Dai Nguyen's NPI active?
- Yes — Trang Dai Nguyen's NPI (1992219539) is active in the NPPES registry as of the last update on 2020-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.