Linda Gemer, MD
NPI 1558318782ActiveIndividual· Radiology, Radiation Oncology· Green Bay, WI
Radiology, Radiation Oncology (MD) in Green Bay, Wisconsin, licensed in WI, with an NPI issued in May 2006. Medicare paid $28,905 for services to 145 patients in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $622.36 in all, mostly food and beverage.
Overview
| NPI | 1558318782 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 31, 2006 |
| Last updated in NPPES | Jun 14, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 25266 | 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 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 (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 145 |
|---|---|
| Services billed | 581 across 24 procedure codes |
| Paid by Medicare | $28,905 |
Industry payments (Open Payments)
- 2025$622.36 · 36 payments from 14 companies
- 2024$776.90 · 33 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $143.84 | 14 |
| Novartis Pharmaceuticals Corporation | $91.98 | 5 |
| Abbvie Inc. | $65.00 | 3 |
| Coherus Oncology, Inc. | $56.48 | 2 |
| Genentech USA, Inc. | $45.38 | 2 |
What the 2025 payments were for
- Food and Beverage$622.36 · 36 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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