Marisa Wall
NPI 1811779481ActiveIndividual· Physician Assistant· New York, NY
Physician Assistant with Icahn School of Medicine at Mount Sinai, practicing in New York, New York. Mostly services rather than prescriptions: Medicare paid $14,222 for 174 patients in 2024, with only 44 Part D claims. Janssen Biotech, Inc. was the largest of 8 companies reporting payments in 2025, $791.77 in all, mostly food and beverage. Lists Mount Sinai Hospital as a hospital affiliation.
Overview
| NPI | 1811779481 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Oct 18, 2023 |
| Last updated in NPPES | Oct 1, 2026 |
| Certified by provider | Oct 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 031472 | NY |
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 - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 174 |
|---|---|
| Services billed | 296 across 12 procedure codes |
| Paid by Medicare | $14,222 |
Part D prescriptions in 2024
| Prescriptions (claims) | 44 · 51 30-day fills |
|---|---|
| Patients | 32 |
| Total drug cost | $6,160 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Icahn School of Medicine at Mount SinaiNew York, NY · 2,843 clinicians
Hospital affiliation
- Mount Sinai HospitalNew York, NY
Industry payments (Open Payments)
- 2025$791.77 · 17 payments from 8 companies
- 2024$392.14 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $557.84 | 10 |
| Abc Home Medical Supply, Inc. | $46.20 | 1 |
| Janssen Scientific Affairs, LLC | $38.60 | 1 |
| Progenics Pharmaceuticals, Inc. | $34.41 | 1 |
| Urogen Pharma, Inc. | $32.26 | 1 |
What the 2025 payments were for
- Food and Beverage$692.77 · 16 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 3,204 physician assistants in New York · All physician assistants in New York