Harrison Nguyen, M.D.
NPI 1699938423ActiveIndividual· Psychiatry & Neurology, Psychiatry· Fairfax, VA
Psychiatry & Neurology, Psychiatry (M.D.) in Fairfax, Virginia, trained at Texas A & M University System, Hsc, College of Medicine (class of 2006). Part D covered 1,458 prescriptions written in 2024, 97% of them generic. Amgen Inc. was the largest of 2 companies reporting payments in 2025, $78.65 in all, mostly food and beverage.
Overview
| NPI | 1699938423 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 2, 2008 |
| Last updated in NPPES | Nov 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 0101248747 | VA |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | MD038552 | DC |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | A101821 | 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 - Psychiatry (CA); Practitioner - Psychiatry (HI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,458 · 3,474 30-day fills |
|---|---|
| Patients | 286 |
| Total drug cost | $160,620 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Texas A & M University System, Hsc, College of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Psychiatry |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - Panorama CityPanorama City, CA
Industry payments (Open Payments)
- 2025$78.65 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $49.09 | 1 |
| Novartis Pharmaceuticals Corporation | $29.56 | 1 |
What the 2025 payments were for
- Food and Beverage$78.65 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 79 psychiatrists in Fairfax · All psychiatrists in Virginia