Douglas P. Calvin, M.D.
NPI 1780677906ActiveIndividual· Radiology, Radiation Oncology· Appleton, WI
Radiology, Radiation Oncology (M.D.) in Appleton, Wisconsin, trained at Louisiana State University School of Medicine in New Orleans (class of 1990). Mostly services rather than prescriptions: Medicare paid $76,057 for 132 patients in 2024, with only 36 Part D claims. Novocure Inc. reported $209.01 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1780677906 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 23, 2005 |
| Last updated in NPPES | Feb 16, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 13714 | MS |
| Internal Medicine | 207R00000X | 13714 | MS |
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 - Radiation Oncology (MI); Practitioner - Radiation Oncology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 1,190 across 28 procedure codes |
| Paid by Medicare | $76,057 |
Part D prescriptions in 2024
| Prescriptions (claims) | 36 · 38 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $2,173 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Radiation Oncology |
Medical group
- State of Mississippi - University of Mississippi Medical CenterJackson, MS · 965 clinicians
Hospital affiliation
- University of Mississippi Med CenterJackson, MS
Industry payments (Open Payments)
- 2025$209.01 · 3 payments from 1 company
- 2024$2,265 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novocure Inc. | $209.01 | 3 |
What the 2025 payments were for
- Food and Beverage$209.01 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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