Walter Leo Nieves, M.D.
NPI 1740206440ActiveIndividual· Psychiatry & Neurology, Neurology· Suffern, NY
Psychiatry & Neurology, Neurology (M.D.) in Suffern, New York, trained at Columbia University College of Physicians and Surgeons (class of 1976). 85 Medicare patients in 2024, $64,775 paid; all of their 1,692 Part D prescriptions were generic. Lundbeck LLC reported $24.35 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1740206440 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | Nov 1, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 132973 | 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 | 85 |
|---|---|
| Services billed | 443 across 5 procedure codes |
| Paid by Medicare | $64,775 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,692 · 1,845 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $39,892 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Good Samaritan Hospital of SuffernSuffern, NY
- Nyack HospitalNyack, NY
Industry payments (Open Payments)
- 2025$24.35 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $24.35 | 1 |
What the 2025 payments were for
- Food and Beverage$24.35 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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