Gregory Eugene Weisenberger, M.D.
NPI 1154329647ActiveIndividual· Internal Medicine· Reynoldsburg, OH
Internal Medicine (M.D.) in Reynoldsburg, Ohio, trained at Ohio State University College of Medicine (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $813,768 for 11,112 claims, against $102,497 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $67.46 in all, mostly food and beverage.
Overview
| NPI | 1154329647 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 8, 2005 |
| Last updated in NPPES | Mar 14, 2022 |
| Certified by provider | Mar 14, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35045327 | 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 - Internal Medicine (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 258 |
|---|---|
| Services billed | 1,304 across 27 procedure codes |
| Paid by Medicare | $102,497 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,112 · 27,304 30-day fills |
|---|---|
| Patients | 776 |
| Total drug cost | $813,768 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Internal Medicine |
Medical group
- Mount Carmel Healthproviders IncGrove City, OH · 142 clinicians
Hospital affiliations
- Diley Ridge Medical CenterCanal Winchester, OH
- Mount Carmel East & WestColumbus, OH
Other facilities
- Mount Carmel Home CareHome health agency · Columbus, OH
- Robert A Barnes CenterNursing home · Reynoldsburg, OH
Industry payments (Open Payments)
- 2025$67.46 · 3 payments from 3 companies
- 2024$18.34 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $33.78 | 1 |
| Abbott Laboratories | $18.89 | 1 |
| E.R. Squibb & Sons, L.L.C. | $14.79 | 1 |
What the 2025 payments were for
- Food and Beverage$67.46 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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