Scot Carson Callahan Jr., MD, PHD
NPI 1700527959ActiveIndividual· Radiology, Radiation Oncology· Madison, WI
Radiology, Radiation Oncology (MD, PHD) in Madison, Wisconsin, licensed in WI, with an NPI issued in April 2022. Part D covered 128 prescriptions written in 2024, 95% of them generic. Novartis Pharmaceuticals Corporation reported $69.41 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1700527959 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2022 |
| Last updated in NPPES | Aug 4, 2025 |
| Certified by provider | Aug 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 83003 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Radiation Oncology (IL); Practitioner - Radiation Oncology (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 128 · 151 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $5,144 |
| Generic share | 95% of claims |
Industry payments (Open Payments)
- 2025$69.41 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $69.41 | 1 |
What the 2025 payments were for
- Food and Beverage$69.41 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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