Karin E. Duffy, PA-C
NPI 1780638643ActiveIndividual· Physician Assistant· Columbia, SC
Physician Assistant (PA-C) in Columbia, South Carolina, trained at George Washington University School of Medicine (class of 1998). 382 Medicare patients in 2024, $62,425 paid; nearly all of their 934 Part D prescriptions were generic (98%). Peerless Surgical Inc. reported $48.32 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1780638643 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 22, 2006 |
| Last updated in NPPES | Jun 4, 2021 |
| Certified by provider | Jun 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1852 | SC |
| Physician Assistant | 363A00000X | 102604 | NC |
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 (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 382 |
|---|---|
| Services billed | 4,699 across 40 procedure codes |
| Paid by Medicare | $62,425 |
Part D prescriptions in 2024
| Prescriptions (claims) | 934 · 974 30-day fills |
|---|---|
| Patients | 283 |
| Total drug cost | $15,392 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Physician Assistant |
Medical group
- Prisma Health Medical Group-MidlandsColumbia, SC · 1,068 clinicians
Hospital affiliations
- Prisma Health BaptistColumbia, SC
- Prisma Health Richland HospitalColumbia, SC
Other facilities
- Prisma Health HomecareHome health agency · Columbia, SC
Industry payments (Open Payments)
- 2025$48.32 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Peerless Surgical Inc. | $48.32 | 1 |
What the 2025 payments were for
- Food and Beverage$48.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 251 physician assistants in Columbia · All physician assistants in South Carolina