William A. Swagler, D.O.
NPI 1275532475ActiveIndividual· Internal Medicine· Erie, PA
Internal Medicine (D.O.) in Erie, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 1995). 200 Medicare patients in 2024, $66,698 paid; nearly all of their 376 Part D prescriptions were generic (91%). Viatris Specialty LLC reported $79.53 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1275532475 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2005 |
| Last updated in NPPES | Feb 24, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OS009222L | 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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 759 across 9 procedure codes |
| Paid by Medicare | $66,698 |
Part D prescriptions in 2024
| Prescriptions (claims) | 376 · 390 30-day fills |
|---|---|
| Patients | 165 |
| Total drug cost | $22,232 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
Medical group
- Great Lakes Physician Practice PCDunkirk, NY · 144 clinicians
Hospital affiliations
- Upmc Chautauqua at WcaJamestown, NY
- Upmc HamotErie, PA
Industry payments (Open Payments)
- 2025$79.53 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viatris Specialty LLC | $79.53 | 1 |
What the 2025 payments were for
- Food and Beverage$79.53 · 1 payment
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