Gilbert Bader, M.D.
NPI 1568800738ActiveIndividual· Internal Medicine, Medical Oncology· Columbus, OH
Internal Medicine, Medical Oncology (M.D.) with Osu Internal Medicine LLC, practicing in Columbus, Ohio. Their prescriptions cost Medicare Part D more than their services did: $324,462 for 380 claims, against $23,081 paid for services in 2024. Novartis Pharmaceuticals Corporation reported $130.50 in payments in 2025, mostly food and beverage. Lists Ohio State University State Health System as a hospital affiliation.
Overview
| NPI | 1568800738 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 10, 2013 |
| Last updated in NPPES | Oct 29, 2026 |
| Certified by provider | Oct 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 35.147802 | OH |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 83673 | SC |
| Internal Medicine, Medical Oncology | 207RX0202X | 83673 | SC |
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 (OH); Practitioner - Hematology/Oncology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 129 |
|---|---|
| Services billed | 289 across 14 procedure codes |
| Paid by Medicare | $23,081 |
Part D prescriptions in 2024
| Prescriptions (claims) | 380 · 619 30-day fills |
|---|---|
| Patients | 109 |
| Total drug cost | $324,462 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Osu Internal Medicine LLCColumbus, OH · 1,161 clinicians
Hospital affiliation
- Ohio State University State Health SystemColumbus, OH
Industry payments (Open Payments)
- 2025$130.50 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $130.50 | 1 |
What the 2025 payments were for
- Food and Beverage$130.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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