John L. Peterson, MD
NPI 1417957234ActiveIndividual· Internal Medicine, Hematology & Oncology· Hickory, NC
Internal Medicine, Hematology & Oncology (MD) in Hickory, North Carolina, trained at University of Wisconsin School of Medicine (class of 1983). 443 Medicare patients in 2024, $716,078 paid; all of their 52 Part D prescriptions were generic. Novartis Pharmaceuticals Corporation was the largest of 24 companies reporting payments in 2025, $537.37 in all, mostly food and beverage.
Overview
| NPI | 1417957234 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 22, 2005 |
| Last updated in NPPES | Jan 28, 2026 |
| Certified by provider | Jan 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 38166 | NC |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 15487 | NH |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 042-0012323 | VT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 443 |
|---|---|
| Services billed | 34,890 across 112 procedure codes |
| Paid by Medicare | $716,078 |
Part D prescriptions in 2024
| Prescriptions (claims) | 52 · 129 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $1,661 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Hematology/Oncology |
Medical group
- Carolina Oncology Specialist PACharlotte, NC · 17 clinicians
Hospital affiliations
- Catawba Valley Medical CenterHickory, NC
- Frye Regional Medical CenterHickory, NC
Industry payments (Open Payments)
- 2025$537.37 · 26 payments from 24 companies
- 2024$622.19 · 31 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $45.58 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $45.10 | 2 |
| Exelixis Inc. | $28.32 | 1 |
| Coherus Oncology, Inc. | $24.78 | 1 |
| Eisai Inc. | $24.65 | 1 |
What the 2025 payments were for
- Food and Beverage$537.37 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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