Catherine Slaugh, NP
NPI 1871251595ActiveIndividual· Nurse Practitioner, Primary Care· Wilmington, DE
Nurse Practitioner, Primary Care (NP) with Alfieri Cardiology, P.A., practicing in Wilmington, Delaware. Their prescriptions cost Medicare Part D more than their services did: $161,822 for 697 claims, against $12,463 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 15 companies reporting payments in 2025, $786.86 in all, mostly food and beverage. Lists Christiana Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1871251595 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Nov 30, 2021 |
| Last updated in NPPES | Sep 24, 2025 |
| Certified by provider | Sep 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | NP0010743 | DE |
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 - Nurse Practitioner (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 115 |
|---|---|
| Services billed | 228 across 11 procedure codes |
| Paid by Medicare | $12,463 |
Part D prescriptions in 2024
| Prescriptions (claims) | 697 · 1,784 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $161,822 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Alfieri Cardiology, P.A.Newark, DE · 4 clinicians
Hospital affiliations
- Christiana HospitalNewark, DE
- Union Hospital of Cecil CountyElkton, MD
Industry payments (Open Payments)
- 2025$786.86 · 36 payments from 15 companies
- 2024$528.55 · 23 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $115.17 | 5 |
| Novartis Pharmaceuticals Corporation | $96.74 | 5 |
| E.R. Squibb & Sons, L.L.C. | $90.55 | 4 |
| Amgen Inc. | $82.69 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $63.33 | 3 |
What the 2025 payments were for
- Food and Beverage$786.86 · 36 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 primary care nurse practitioners in Wilmington · All primary care nurse practitioners in Delaware