Jon R. Vonvisger, M.D.
NPI 1518974864ActiveIndividual· Internal Medicine, Nephrology· Buffalo, NY
Internal Medicine, Nephrology (M.D.) in Buffalo, New York, trained at University of Maryland School of Medicine (class of 1996). In 2024 Medicare paid $21,757 for 96 patients, and Part D covered 249 of their prescriptions, 86% of them generic. Apellis Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $108.25 in all, mostly food and beverage.
Overview
| NPI | 1518974864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 291613 | NY |
| Internal Medicine, Nephrology | 207RN0300X | 35086176 | OH |
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 - Nephrology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 96 |
|---|---|
| Services billed | 265 across 9 procedure codes |
| Paid by Medicare | $21,757 |
Part D prescriptions in 2024
| Prescriptions (claims) | 249 · 343 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $20,789 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Nephrology |
Medical group
- Erie County Medical Center CorporationBuffalo, NY · 319 clinicians
Hospital affiliations
- Erie County Medical CenterBuffalo, NY
- Kaleida HealthBuffalo, NY
Other facilities
- Erie County Medical CenterDialysis facility · Buffalo, NY
- Willcare Chha (Buffalo)Home health agency · Amherst, NY
Industry payments (Open Payments)
- 2025$108.25 · 3 payments from 2 companies
- 2024$104.89 · 17 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Apellis Pharmaceuticals, Inc. | $104.21 | 1 |
| Travere Therapeutics, Inc. | $4.04 | 2 |
What the 2025 payments were for
- Food and Beverage$104.21 · 1 payment
- Education$4.04 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 nephrologists in Buffalo · All nephrologists in New York