Karen Marie Mather, APN
NPI 1285250118ActiveIndividual· Nurse Practitioner· Bethany Beach, DE
Nurse Practitioner (APN) with Bethany Primary Care, practicing in Bethany Beach, Delaware. Part D covered 2,836 prescriptions written in 2024, 91% of them generic. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 12 companies reporting payments in 2025, $524.39 in all, mostly food and beverage. Lists Beebe Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1285250118 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APN |
| Sole proprietor | Yes |
| NPI issued | Jun 16, 2020 |
| Last updated in NPPES | Jun 16, 2020 |
| Certified by provider | Jun 16, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | LP-0000360 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (DE) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,836 · 5,452 30-day fills |
|---|---|
| Patients | 538 |
| Total drug cost | $202,608 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Bethany Primary CareBethany Beach, DE · 4 clinicians
Hospital affiliations
- Beebe Medical CenterLewes, DE
- Tidalhealth Peninsula Regional, IncSalisbury, MD
Industry payments (Open Payments)
- 2025$524.39 · 21 payments from 12 companies
- 2024$941.45 · 40 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $138.18 | 2 |
| Novo Nordisk Inc | $58.01 | 3 |
| Pfizer Inc. | $50.89 | 2 |
| Abbvie Inc. | $39.99 | 2 |
| Lundbeck LLC | $37.18 | 2 |
What the 2025 payments were for
- Food and Beverage$524.39 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records