Sean M. Gaffney, PA-C
NPI 1659708212ActiveIndividual· Physician Assistant· York, PA
Physician Assistant (PA-C) with Wellspan Medical Group, practicing in York, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $1,266,224 for 764 claims, against $62,751 paid for services in 2024. Janssen Biotech, Inc. was the largest of 8 companies reporting payments in 2025, $915.28 in all, mostly food and beverage. Lists Wellspan York Hospital as a hospital affiliation.
Overview
| NPI | 1659708212 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 27, 2013 |
| Last updated in NPPES | May 10, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | MA056514 | 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 - Physician Assistant (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 374 |
|---|---|
| Services billed | 1,549 across 36 procedure codes |
| Paid by Medicare | $62,751 |
Part D prescriptions in 2024
| Prescriptions (claims) | 764 · 1,008 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $1,266,224 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Wellspan Medical GroupEphrata, PA · 2,480 clinicians
Hospital affiliation
- Wellspan York HospitalYork, PA
Industry payments (Open Payments)
- 2025$915.28 · 44 payments from 8 companies
- 2024$274.94 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $290.32 | 12 |
| Ucb, Inc. | $175.07 | 13 |
| Abbvie Inc. | $173.22 | 6 |
| Regeneron Healthcare Solutions, Inc. | $162.06 | 7 |
| Novartis Pharmaceuticals Corporation | $57.11 | 3 |
What the 2025 payments were for
- Food and Beverage$910.28 · 43 payments
- Education$5.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 124 physician assistants in York · All physician assistants in Pennsylvania