Catherine Anh-Quyen Nguyen
NPI 1336665975ActiveIndividual· Physician Assistant· West Covina, CA
Physician Assistant with Hmts Inc, practicing in West Covina, California. 617 Medicare patients in 2024, $56,003 paid; nearly all of their 688 Part D prescriptions were generic (90%). Astrazeneca Pharmaceuticals LP reported $41.20 in payments in 2025, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.
Overview
| NPI | 1336665975 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 16, 2017 |
| Last updated in NPPES | Mar 3, 2021 |
| Certified by provider | Mar 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA54793 | CA |
| Physician Assistant | 363A00000X | — | — |
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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 617 |
|---|---|
| Services billed | 1,056 across 60 procedure codes |
| Paid by Medicare | $56,003 |
Part D prescriptions in 2024
| Prescriptions (claims) | 688 · 713 30-day fills |
|---|---|
| Patients | 515 |
| Total drug cost | $12,290 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Hmts IncIrvine, CA · 118 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$41.20 · 2 payments from 1 company
- 2024$15.82 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $41.20 | 2 |
What the 2025 payments were for
- Food and Beverage$41.20 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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