Caroline Witmer, NP
NPI 1457123440ActiveIndividual· Nurse Practitioner, Adult Health· Exton, PA
Nurse Practitioner, Adult Health (NP) with Clinical Renal Associates LLC, practicing in Exton, Pennsylvania. Part D covered 334 prescriptions written in 2024, 70% of them generic. Alexion Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $36.98 in all, mostly food and beverage. Lists Chester County Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1457123440 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Oct 24, 2023 |
| Last updated in NPPES | Oct 24, 2023 |
| Certified by provider | Sep 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | SP028493 | 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 - Nurse Practitioner (PA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 334 · 511 30-day fills |
|---|---|
| Patients | 63 |
| Total drug cost | $40,563 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Clinical Renal Associates LLCPhiladelphia, PA · 33 clinicians
Hospital affiliations
- Chester County HospitalWest Chester, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Paoli HospitalPaoli, PA
Industry payments (Open Payments)
- 2025$36.98 · 2 payments from 2 companies
- 2024$179.10 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $18.65 | 1 |
| Opko Pharmaceuticals, LLC | $18.33 | 1 |
What the 2025 payments were for
- Food and Beverage$36.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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