John J. Inzerillo, M.D.
NPI 1164404422ActiveIndividual· Internal Medicine, Hematology & Oncology· Washington, NC
Internal Medicine, Hematology & Oncology (M.D.) with Vidant Medical Group LLC, practicing in Washington, North Carolina. Their prescriptions cost Medicare Part D more than their services did: $5,463,714 for 3,272 claims, against $70,953 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 7 companies reporting payments in 2025, $310.63 in all, mostly food and beverage. Lists Ecu Health Medical Center as a hospital affiliation.
Overview
| NPI | 1164404422 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 14, 2005 |
| Last updated in NPPES | Aug 9, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 9300159 | NC |
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 - Hematology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 316 |
|---|---|
| Services billed | 880 across 11 procedure codes |
| Paid by Medicare | $70,953 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,272 · 4,268 30-day fills |
|---|---|
| Patients | 458 |
| Total drug cost | $5,463,714 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Hematology |
Medical group
- Vidant Medical Group LLCAhoskie, NC · 1,012 clinicians
Hospital affiliation
- Ecu Health Medical CenterGreenville, NC
Other facilities
- Community Hospice LLCHospice · New Bern, NC
Industry payments (Open Payments)
- 2025$310.63 · 10 payments from 7 companies
- 2024$250.17 · 10 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $140.94 | 3 |
| Novartis Pharmaceuticals Corporation | $61.41 | 2 |
| Merck Sharp & Dohme LLC | $29.91 | 1 |
| Janssen Biotech, Inc. | $25.93 | 1 |
| Tempus Ai, Inc | $21.39 | 1 |
What the 2025 payments were for
- Food and Beverage$310.63 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records