Katherine Mary Abernethy, NP-C
NPI 1629477153ActiveIndividual· Nurse Practitioner, Family· New Castle, DE
Nurse Practitioner, Family (NP-C) with Brandywine Urology Consultants PA, practicing in New Castle, Delaware. Their prescriptions cost Medicare Part D more than their services did: $487,588 for 1,939 claims, against $92,182 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 8 companies reporting payments in 2025, $511.02 in all, mostly food and beverage. Lists Christiana Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1629477153 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | Yes |
| NPI issued | Aug 20, 2014 |
| Last updated in NPPES | Feb 27, 2026 |
| Certified by provider | Feb 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | LG-0000770 | DE |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 837 |
|---|---|
| Services billed | 2,453 across 28 procedure codes |
| Paid by Medicare | $92,182 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,939 · 4,357 30-day fills |
|---|---|
| Patients | 670 |
| Total drug cost | $487,588 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Brandywine Urology Consultants PANew Castle, DE · 19 clinicians
Hospital affiliations
- Christiana HospitalNewark, DE
- St Francis HospitalWilmington, DE
Industry payments (Open Payments)
- 2025$511.02 · 30 payments from 8 companies
- 2024$414.81 · 21 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $170.55 | 15 |
| Bayer Healthcare Pharmaceuticals Inc. | $109.23 | 4 |
| Blue Earth Diagnostics | $69.61 | 3 |
| Astellas Pharma US Inc | $52.12 | 3 |
| Progenics Pharmaceuticals, Inc. | $46.48 | 2 |
What the 2025 payments were for
- Food and Beverage$511.02 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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