Marissa Casas
NPI 1558736280ActiveIndividual· Physician Assistant· McAllen, TX
Physician Assistant in McAllen, Texas, licensed in TX, with an NPI issued in December 2015. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $435.74 in all, mostly food and beverage.
Overview
| NPI | 1558736280 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Dec 7, 2015 |
| Last updated in NPPES | May 4, 2020 |
| Certified by provider | May 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA13525 | TX |
| Chiropractor | 111N00000X | 12876 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
- 2025$435.74 · 17 payments from 3 companies
- 2024$449.96 · 14 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $305.76 | 11 |
| Amgen Inc. | $115.47 | 5 |
| Novartis Pharmaceuticals Corporation | $14.51 | 1 |
What the 2025 payments were for
- Food and Beverage$235.76 · 15 payments
- Education$199.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 148 physician assistants in McAllen · All physician assistants in Texas