Leon W. Sweer, MD
NPI 1477502755ActiveIndividual· Internal Medicine, Pulmonary Disease· York, PA
Internal Medicine, Pulmonary Disease (MD) in York, Pennsylvania, trained at Yale University School of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $412,858 for 400 claims, against $12,994 paid for services in 2024. Verona Pharma, Inc. reported $29.60 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1477502755 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 6, 2006 |
| Last updated in NPPES | Aug 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | MD025879E | PA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | MD025879E | 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 - Pulmonary Disease (PA); Practitioner - Pulmonary Disease (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 219 |
|---|---|
| Services billed | 236 across 8 procedure codes |
| Paid by Medicare | $12,994 |
Part D prescriptions in 2024
| Prescriptions (claims) | 400 · 519 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $412,858 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Wellspan Medical GroupEphrata, PA · 2,480 clinicians
Hospital affiliation
- Wellspan York HospitalYork, PA
Industry payments (Open Payments)
- 2025$29.60 · 1 payment from 1 company
- 2024$51.45 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Verona Pharma, Inc. | $29.60 | 1 |
What the 2025 payments were for
- Food and Beverage$29.60 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 pulmonologists in York · All pulmonologists in Pennsylvania