Toan Quoc Vu, M.D.
NPI 1760463293ActiveIndividual· Psychiatry & Neurology, Neurology· San Marcos, TX
Psychiatry & Neurology, Neurology (M.D.) with San Marcos Neurology Associates, practicing in San Marcos, Texas. Their prescriptions cost Medicare Part D more than their services did: $541,560 for 2,149 claims, against $92,510 paid for services in 2024. Ucb, Inc. was the largest of 38 companies reporting payments in 2025, $5,974 in all, mostly food and beverage. Lists Methodist Hospital Stone Oak as a hospital affiliation.
Overview
| NPI | 1760463293 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 10, 2005 |
| Last updated in NPPES | Jul 23, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | M1396 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 432 |
|---|---|
| Services billed | 1,152 across 28 procedure codes |
| Paid by Medicare | $92,510 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,149 · 4,364 30-day fills |
|---|---|
| Patients | 399 |
| Total drug cost | $541,560 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Neurology |
Medical group
- San Marcos Neurology AssociatesSan Antonio, TX · 6 clinicians
Hospital affiliation
- Methodist Hospital Stone OakSan Antonio, TX
Industry payments (Open Payments)
- 2025$5,974 · 272 payments from 38 companies
- 2024$5,988 · 309 payments from 34 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $587.45 | 20 |
| Lundbeck LLC | $545.59 | 24 |
| Pfizer Inc. | $452.69 | 24 |
| Neurocrine Biosciences, Inc. | $348.91 | 15 |
| Abbvie Inc. | $335.12 | 26 |
What the 2025 payments were for
- Food and Beverage$5,897 · 271 payments
- Education$76.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other neurologists in San Marcos
- 1316000326