Thomas M. Brennan, DO
NPI 1174101620ActiveIndividual· Internal Medicine· Erie, PA
Internal Medicine (DO) in Erie, Pennsylvania, trained at Michigan State University College of Osteopathic Medicine (class of 2021). 93 Medicare patients in 2024, $12,760 paid; nearly all of their 107 Part D prescriptions were generic (91%). Janssen Pharmaceuticals, Inc was the largest of 2 companies reporting payments in 2024, $249.73 in all, mostly food and beverage.
Overview
| NPI | 1174101620 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 29, 2021 |
| Last updated in NPPES | Aug 1, 2024 |
| Certified by provider | Aug 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OS023950 | PA |
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 - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 99 across 6 procedure codes |
| Paid by Medicare | $12,760 |
Part D prescriptions in 2024
| Prescriptions (claims) | 107 · 194 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $4,892 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Internal Medicine |
Medical group
- Regional Health Services IncErie, PA · 568 clinicians
Hospital affiliations
- Meadville Medical CenterMeadville, PA
- Upmc Chautauqua at WcaJamestown, NY
- Upmc HamotErie, PA
- Upmc KaneKane, PA
- Upmc NorthwestSeneca, PA
Industry payments (Open Payments)
- 2024$249.73 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $124.99 | 1 |
| Genzyme Corporation | $124.74 | 1 |
What the 2024 payments were for
- Food and Beverage$249.73 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 118 internal medicine physicians in Erie · All internal medicine physicians in Pennsylvania