William Joseph Assante, MD
NPI 1366903304ActiveIndividual· Internal Medicine, Nephrology· Poughkeepsie, NY
Internal Medicine, Nephrology (MD) in Poughkeepsie, New York, trained at New York Medical College (class of 2019). Mostly services rather than prescriptions: Medicare paid $19,992 for 47 patients in 2024, with only 25 Part D claims. Apellis Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $151.76 in all, mostly food and beverage.
Overview
| NPI | 1366903304 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 30, 2019 |
| Last updated in NPPES | Oct 1, 2024 |
| Certified by provider | Oct 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 316784 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 47 |
|---|---|
| Services billed | 136 across 9 procedure codes |
| Paid by Medicare | $19,992 |
Part D prescriptions in 2024
| Prescriptions (claims) | 25 · 29 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $1,273 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
Medical group
- Westchester Medical Center Advanced Physician Services PCValhalla, NY · 897 clinicians
Hospital affiliations
- Montefiore St Luke's CornwallNewburgh, NY
- Westchester Medical CenterValhalla, NY
Other facilities
- Fmc Liberty Hudson Valley DialysisDialysis facility · Cornwall, NY
Industry payments (Open Payments)
- 2025$151.76 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Apellis Pharmaceuticals, Inc. | $125.00 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $26.76 | 1 |
What the 2025 payments were for
- Food and Beverage$151.76 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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