Alvin Nguyen
NPI 1568856235ActiveIndividual· Psychiatry & Neurology, Neurology· Mission Hills, CA
Psychiatry & Neurology, Neurology with Providence Facey Medical Foundation, practicing in Mission Hills, California. Their prescriptions cost Medicare Part D more than their services did: $626,756 for 2,578 claims, against $48,282 paid for services in 2024. Pfizer Inc. was the largest of 4 companies reporting payments in 2025, $816.93 in all, mostly food and beverage. Lists Providence Holy Cross Medical Center as a hospital affiliation.
Overview
| NPI | 1568856235 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 20, 2015 |
| Last updated in NPPES | Nov 18, 2020 |
| Certified by provider | Nov 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 20A14229 | 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 - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 179 |
|---|---|
| Services billed | 2,833 across 27 procedure codes |
| Paid by Medicare | $48,282 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,578 · 5,471 30-day fills |
|---|---|
| Patients | 532 |
| Total drug cost | $626,756 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Providence Facey Medical FoundationValencia, CA · 385 clinicians
Hospital affiliation
- Providence Holy Cross Medical CenterMission Hills, CA
Industry payments (Open Payments)
- 2025$816.93 · 25 payments from 4 companies
- 2024$10,693 · 39 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $241.74 | 12 |
| Teva Pharmaceuticals USA, Inc. | $224.20 | 5 |
| Abbott Laboratories | $197.55 | 1 |
| Abbvie Inc. | $153.44 | 7 |
What the 2025 payments were for
- Food and Beverage$705.48 · 24 payments
- Education$111.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other neurologists in Mission Hills
- 1043238371
- 1144384116
- 1871601401
- 1912380783
- 1871558007
- 1013932730
- 1609183102
- 1316167265
- 1235139346