Lien T. Nguyen, NP
NPI 1508906033ActiveIndividual· Nurse Practitioner· Mission Viejo, CA
Nurse Practitioner (NP) with Providence Medical Foundation and 2 other groups, practicing in Mission Viejo, California. Their prescriptions cost Medicare Part D more than their services did: $191,517 for 793 claims, against $29,655 paid for services in 2024. Janssen Biotech, Inc. was the largest of 17 companies reporting payments in 2025, $7,245 in all, mostly speaking and faculty fees. Lists Providence Mission Hospital as a hospital affiliation.
Overview
| NPI | 1508906033 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Feb 7, 2007 |
| Last updated in NPPES | Jun 24, 2022 |
| Certified by provider | Jun 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | NP14331 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 288 |
|---|---|
| Services billed | 366 across 12 procedure codes |
| Paid by Medicare | $29,655 |
Part D prescriptions in 2024
| Prescriptions (claims) | 793 · 1,518 30-day fills |
|---|---|
| Patients | 412 |
| Total drug cost | $191,517 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
- Genesis Healthcare Partners PCSan Francisco, CA · 228 clinicians
- Minimally Invasive Medical GroupMission Viejo, CA · 7 clinicians
Hospital affiliation
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$7,245 · 96 payments from 17 companies
- 2024$2,054 · 56 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $4,381 | 12 |
| Aimmune Therapeutics, Inc. | $795.14 | 20 |
| Madrigal Pharmaceuticals | $567.42 | 7 |
| Abbvie Inc. | $276.01 | 9 |
| Genzyme Corporation | $258.18 | 8 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4,050 · 1 payment
- Food and Beverage$3,195 · 95 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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