Quoc Nguyen, MD
NPI 1639121379ActiveIndividual· Psychiatry & Neurology, Psychiatry· Temecula, CA
Psychiatry & Neurology, Psychiatry (MD) with Integra Health, PC, practicing in Temecula, California. Their prescriptions cost Medicare Part D more than their services did: $89,204 for 1,042 claims, against $22,537 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 14 companies reporting payments in 2025, $1,088 in all, mostly food and beverage.
Overview
| NPI | 1639121379 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 17, 2006 |
| Last updated in NPPES | Feb 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A67516 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 68 |
|---|---|
| Services billed | 176 across 3 procedure codes |
| Paid by Medicare | $22,537 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,042 · 2,280 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $89,204 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Integra Health, PCTemecula, CA · 5 clinicians
Industry payments (Open Payments)
- 2025$1,088 · 26 payments from 14 companies
- 2024$686.14 · 24 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $218.60 | 5 |
| Abbvie Inc. | $187.36 | 5 |
| Neurocrine Biosciences, Inc. | $139.60 | 1 |
| E.R. Squibb & Sons, L.L.C. | $134.99 | 1 |
| Grifols USA, LLC | $82.81 | 3 |
What the 2025 payments were for
- Food and Beverage$1,023 · 25 payments
- Education$64.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 psychiatrists in Temecula · All psychiatrists in California