Andrea Nguyen, PA-C
NPI 1255615761 · Physician Assistant · Irvine, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Nguyen, PA-C is a Physician Assistant provider in Irvine, CA (NPI 1255615761).
Provider details
- NPI number
- 1255615761
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 21886 (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
14 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
52 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 52 | $102 |
Typical Medicare-allowed amounts for these services range $102–$102 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mupirocin | 234 | 198 |
| Ketoconazole | 132 | 57 |
| Levocetirizine Dihydrochloride | 116 | 58 |
| Doxycycline Hyclate | 100 | 57 |
| Tacrolimus | 65 | 34 |
| Clobetasol Propionate | 64 | 41 |
| Triamcinolone Acetonide | 63 | 51 |
| Nystatin | 49 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$271,373 across 629 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
- 2011-10-03
- Last updated
- 2022-08-15
- Certified
- 2022-08-15
Frequently asked questions
- What is Andrea Nguyen's NPI number?
- Andrea Nguyen's National Provider Identifier (NPI) is 1255615761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Nguyen's specialty?
- Andrea Nguyen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrea Nguyen located?
- Andrea Nguyen's practice location on file with NPPES is 17305 Von Karman Ave, Irvine, CA 92614-0963.
- What is Andrea Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Andrea Nguyen is (949) 679-9994.
- Does Andrea Nguyen accept Medicare?
- Andrea Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Nguyen's NPI active?
- Yes — Andrea Nguyen's NPI (1255615761) is active in the NPPES registry as of the last update on 2022-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.