Langley Sampognaro, MD
NPI 1265001598ActiveIndividual· Allergy & Immunology· Shreveport, LA
Allergy & Immunology (MD) in Shreveport, Louisiana, trained at Louisiana State University School of Medicine in Shreveport (class of 2021). Part D covered 40 prescriptions written in 2024, 57% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $1,729 in all, mostly food and beverage.
Overview
| NPI | 1265001598 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 21, 2021 |
| Last updated in NPPES | Aug 18, 2026 |
| Certified by provider | Aug 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 342569 | 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 - Allergy/Immunology (LA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 40 · 50 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $55,039 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Allergy/Immunology |
Industry payments (Open Payments)
- 2025$1,729 · 60 payments from 11 companies
- 2024$466.39 · 11 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $372.12 | 16 |
| Regeneron Healthcare Solutions, Inc. | $264.68 | 7 |
| Biocryst US Sales Co., LLC | $260.42 | 4 |
| Novartis Pharmaceuticals Corporation | $213.50 | 12 |
| Ars Pharmaceuticals Operations, Inc. | $170.04 | 7 |
What the 2025 payments were for
- Food and Beverage$1,729 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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