David Louis Weir, M.D.
NPI 1528064441ActiveIndividual· Specialist· Lafayette, LA
Specialist (M.D.) in Lafayette, Louisiana, licensed in LA, with an NPI issued in June 2005. Part D covered 398 prescriptions written in 2024, 77% of them generic. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $1,094 in all, mostly food and beverage.
Overview
| NPI | 1528064441 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 24, 2005 |
| Last updated in NPPES | Oct 15, 2026 |
| Certified by provider | Oct 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 019639 | LA |
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 (LA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 398 · 570 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $113,382 |
| Generic share | 77% of claims |
Industry payments (Open Payments)
- 2025$1,094 · 58 payments from 7 companies
- 2024$1,467 · 69 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $384.05 | 29 |
| Revance Therapeutics, Inc. | $310.13 | 8 |
| Lundbeck LLC | $179.56 | 9 |
| Pfizer Inc. | $147.26 | 8 |
| Axsome Therapeutics, Inc. | $34.55 | 2 |
What the 2025 payments were for
- Food and Beverage$1,094 · 58 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 97 Specialist providers in Lafayette · All Specialist providers in Louisiana