William Bader, M.D.
NPI 1871563411ActiveIndividual· Internal Medicine· Carnegie, PA
Internal Medicine (M.D.) in Carnegie, Pennsylvania, trained at Jefferson Medical College of Thomas Jefferson University (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $798,767 for 7,627 claims, against $56,176 paid for services in 2024. Lilly USA, LLC was the largest of 13 companies reporting payments in 2025, $744.01 in all, mostly food and beverage.
Overview
| NPI | 1871563411 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 25, 2006 |
| Last updated in NPPES | Nov 1, 2023 |
| Certified by provider | Nov 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD-018581E | 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 | 255 |
|---|---|
| Services billed | 1,216 across 52 procedure codes |
| Paid by Medicare | $56,176 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,627 · 16,540 30-day fills |
|---|---|
| Patients | 372 |
| Total drug cost | $798,767 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 1975 |
| Medicare specialty | Internal Medicine |
Medical group
- Preferred Primary Care Physicians, Inc.Pittsburgh, PA · 88 clinicians
Hospital affiliations
- Advanced Surgical HospitalWashington, PA
- Allegheny General HospitalPittsburgh, PA
- Canonsburg General HospitalCanonsburg, PA
- Heritage Valley SewickleySewickley, PA
- St Clair HospitalPittsburgh, PA
Other facilities
- Concordia Visiting NursesHome health agency · Cabot, PA
Industry payments (Open Payments)
- 2025$744.01 · 40 payments from 13 companies
- 2024$965.65 · 54 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $213.05 | 11 |
| Amgen Inc. | $98.25 | 6 |
| Novo Nordisk Inc | $74.83 | 4 |
| Pfizer Inc. | $67.85 | 4 |
| Exact Sciences Corporation | $62.39 | 3 |
What the 2025 payments were for
- Food and Beverage$699.01 · 39 payments
- Education$45.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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