Katharine A. Collier, MD
NPI 1376937854ActiveIndividual· Internal Medicine· Columbus, OH
Internal Medicine (MD) in Columbus, Ohio, trained at Ohio State University College of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $1,119,724 for 349 claims, against $18,192 paid for services in 2024. Aveo Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $297.84 in all, mostly food and beverage.
Overview
| NPI | 1376937854 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 23, 2015 |
| Last updated in NPPES | Dec 5, 2025 |
| Certified by provider | Dec 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35.137217 | OH |
| Internal Medicine, Medical Oncology | 207RX0202X | 35.137217 | OH |
| Internal Medicine | 207R00000X | 125067737 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 68 |
|---|---|
| Services billed | 201 across 9 procedure codes |
| Paid by Medicare | $18,192 |
Part D prescriptions in 2024
| Prescriptions (claims) | 349 · 457 30-day fills |
|---|---|
| Patients | 54 |
| Total drug cost | $1,119,724 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | 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$297.84 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aveo Pharmaceuticals, Inc. | $171.27 | 1 |
| Exelixis Inc. | $126.57 | 1 |
What the 2025 payments were for
- Food and Beverage$297.84 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 640 internal medicine physicians in Columbus · All internal medicine physicians in Ohio