Kathryn E. Drennan, NP
NPI 1356946198ActiveIndividual· Nurse Practitioner· Springfield, IL
Nurse Practitioner (NP) with Orthopaedic Center of Il, practicing in Springfield, Illinois. 104 Medicare patients in 2024, $14,218 paid; all of their 656 Part D prescriptions were generic. Vertex Pharmaceuticals Incorporated reported $136.51 in payments in 2025, mostly food and beverage. Lists Memorial Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1356946198 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Dec 1, 2020 |
| Last updated in NPPES | Dec 1, 2020 |
| Certified by provider | Dec 1, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209.020889 | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 104 |
|---|---|
| Services billed | 261 across 39 procedure codes |
| Paid by Medicare | $14,218 |
Part D prescriptions in 2024
| Prescriptions (claims) | 656 · 658 30-day fills |
|---|---|
| Patients | 245 |
| Total drug cost | $9,643 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Orthopaedic Center of IlSpringfield, IL · 32 clinicians
Hospital affiliations
- Memorial Medical CenterSpringfield, IL
- St Johns HospitalSpringfield, IL
Industry payments (Open Payments)
- 2025$136.51 · 4 payments from 1 company
- 2024$29.01 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $136.51 | 4 |
What the 2025 payments were for
- Food and Beverage$136.51 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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