Nhu-Y Nguyen
NPI 1316567696ActiveIndividual· Physician Assistant· Escondido, CA
Physician Assistant with Graybill Medical Group Inc, practicing in Escondido, California. Their prescriptions cost Medicare Part D more than their services did: $13,644 for 337 claims, against $7,305 paid for services in 2024. Boston Scientific Corporation was the largest of 4 companies reporting payments in 2025, $116.27 in all, mostly food and beverage. Lists Palomar Health Downtown Campus as a hospital affiliation.
Overview
| NPI | 1316567696 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Apr 16, 2020 |
| Last updated in NPPES | Mar 21, 2025 |
| Certified by provider | Mar 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA59366 | CA |
| Physician Assistant | 363A00000X | — | — |
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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 80 |
|---|---|
| Services billed | 123 across 27 procedure codes |
| Paid by Medicare | $7,305 |
Part D prescriptions in 2024
| Prescriptions (claims) | 337 · 539 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $13,644 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Graybill Medical Group IncOceanside, CA · 104 clinicians
Hospital affiliation
- Palomar Health Downtown CampusEscondido, CA
Industry payments (Open Payments)
- 2025$116.27 · 5 payments from 4 companies
- 2024$165.45 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $54.89 | 1 |
| Lilly USA, LLC | $30.45 | 2 |
| Otsuka America Pharmaceutical, Inc. | $16.58 | 1 |
| Glaxosmithkline, LLC. | $14.35 | 1 |
What the 2025 payments were for
- Food and Beverage$116.27 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 53 physician assistants in Escondido · All physician assistants in California