Thomas W. Kramer, M.D.
NPI 1235146465ActiveIndividual· Internal Medicine, Gastroenterology· Westerville, OH
Internal Medicine, Gastroenterology (M.D.) in Westerville, Ohio, trained at Ohio State University College of Medicine (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $155,215 for 409 claims, against $44,455 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $158.78 in all, mostly food and beverage.
Overview
| NPI | 1235146465 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | May 16, 2025 |
| Certified by provider | May 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 35049499 | OH |
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 - Gastroenterology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 258 |
|---|---|
| Services billed | 383 across 19 procedure codes |
| Paid by Medicare | $44,455 |
Part D prescriptions in 2024
| Prescriptions (claims) | 409 · 758 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $155,215 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Gastroenterology |
Hospital affiliation
- Mount Carmel East & WestColumbus, OH
Industry payments (Open Payments)
- 2025$158.78 · 8 payments from 4 companies
- 2024$613.63 · 37 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $94.89 | 5 |
| Regeneron Healthcare Solutions, Inc. | $26.67 | 1 |
| Janssen Biotech, Inc. | $19.39 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $17.83 | 1 |
What the 2025 payments were for
- Food and Beverage$158.78 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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