Thiennga Nguyen, DNP
NPI 1427601004ActiveIndividual· Nurse Practitioner· Mesa, AZ
Nurse Practitioner (DNP) with Allied Internal Medicine PLLC, practicing in Mesa, Arizona. Their prescriptions cost Medicare Part D more than their services did: $126,163 for 2,417 claims, against $65,400 paid for services in 2024.
Overview
| NPI | 1427601004 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP |
| Sole proprietor | Yes |
| NPI issued | Jul 22, 2019 |
| Last updated in NPPES | Dec 7, 2019 |
| Certified by provider | Dec 7, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 227053 | AZ |
| Nurse Practitioner, Acute Care | 363LA2100X | 227053 | AZ |
| Nurse Practitioner, Adult Health | 363LA2200X | 227053 | AZ |
| Nurse Practitioner, Gerontology | 363LG0600X | 227053 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 157 |
|---|---|
| Services billed | 909 across 4 procedure codes |
| Paid by Medicare | $65,400 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,417 · 2,453 30-day fills |
|---|---|
| Patients | 239 |
| Total drug cost | $126,163 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Allied Internal Medicine PLLCMesa, AZ · 25 clinicians
Other facilities
- Citadel Post AcuteNursing home · Mesa, AZ
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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