Justin Aaron Willer, MD
NPI 1194719146ActiveIndividual· Psychiatry & Neurology, Neurology· Brooklyn, NY
Psychiatry & Neurology, Neurology (MD) in Brooklyn, New York, trained at Chicago College of Medicine and Surgery (class of 1987). 23 Medicare patients in 2024, $17,113 paid; nearly all of their 313 Part D prescriptions were generic (93%). Argenx US, Inc. reported $176.74 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1194719146 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 6, 2005 |
| Last updated in NPPES | Jun 11, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 174836 | 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 - Neurology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 23 |
|---|---|
| Services billed | 125 across 15 procedure codes |
| Paid by Medicare | $17,113 |
Part D prescriptions in 2024
| Prescriptions (claims) | 313 · 398 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $18,683 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Chicago College of Medicine and Surgery |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Neurology |
Industry payments (Open Payments)
- 2025$176.74 · 3 payments from 1 company
- 2024$19.94 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Argenx US, Inc. | $176.74 | 3 |
What the 2025 payments were for
- Food and Beverage$176.74 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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