Kathleen E. Holleran, MD
NPI 1376508382ActiveIndividual· Internal Medicine· Gibsonia, PA
Internal Medicine (MD) in Gibsonia, Pennsylvania, trained at Wayne State University School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $471,507 for 5,339 claims, against $35,748 paid for services in 2024. Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $461.12 in all, mostly food and beverage.
Overview
| NPI | 1376508382 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 20, 2006 |
| Last updated in NPPES | Jun 18, 2021 |
| Certified by provider | Jun 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD426742 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 394 across 35 procedure codes |
| Paid by Medicare | $35,748 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,339 · 12,242 30-day fills |
|---|---|
| Patients | 583 |
| Total drug cost | $471,507 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Internal Medicine |
Medical groups
- Allegheny ClinicPittsburgh, PA · 2,389 clinicians
- Keystone Rehabilitation Systems IncSeven Fields, PA · 776 clinicians
Hospital affiliations
- Ahn Wexford HospitalWexford, PA
- Allegheny General HospitalPittsburgh, PA
- West Penn HospitalPittsburgh, PA
Other facilities
- Allegheny Health Network Healthcare at Home Home HHome health agency · Warrendale, PA
Industry payments (Open Payments)
- 2025$461.12 · 20 payments from 6 companies
- 2024$333.34 · 17 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $273.44 | 11 |
| Glaxosmithkline, LLC. | $66.26 | 3 |
| Novo Nordisk Inc | $48.55 | 2 |
| Pfizer Inc. | $38.13 | 2 |
| Lilly USA, LLC | $19.11 | 1 |
What the 2025 payments were for
- Food and Beverage$461.12 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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