Diana Doan-Nguyen
NPI 1225792369ActiveIndividual· Nurse Practitioner, Family· Orange, CA
Nurse Practitioner, Family with Hoag Clinic and 1 other group, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $151,241 for 1,506 claims, against $17,561 paid for services in 2024. Gilead Sciences, Inc. was the largest of 6 companies reporting payments in 2024, $288.71 in all, mostly food and beverage. Lists Uci Health-Orange as a hospital affiliation.
Overview
| NPI | 1225792369 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Oct 25, 2021 |
| Last updated in NPPES | Apr 3, 2026 |
| Certified by provider | Apr 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95017996 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 169 |
|---|---|
| Services billed | 339 across 29 procedure codes |
| Paid by Medicare | $17,561 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,506 · 3,067 30-day fills |
|---|---|
| Patients | 726 |
| Total drug cost | $151,241 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Hoag ClinicNewport Beach, CA · 460 clinicians
- Regents of the University ofOrange, CA · 129 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2024$288.71 · 8 payments from 6 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $121.63 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $54.98 | 2 |
| Qol Medical, LLC | $37.05 | 1 |
| Abbvie Inc. | $36.43 | 2 |
| Redhill Biopharma Inc. | $23.27 | 1 |
What the 2024 payments were for
- Food and Beverage$288.71 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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