Karen Ann Kowalczyk, APN-CNP
NPI 1316189343ActiveIndividual· Nurse Practitioner· Addison, IL
Nurse Practitioner (APN-CNP) with Endeavor Health Medical Group, practicing in Addison, Illinois. Their prescriptions cost Medicare Part D more than their services did: $84,460 for 1,149 claims, against $10,730 paid for services in 2024. Novo Nordisk Inc reported $13.64 in payments in 2025, mostly food and beverage. Lists Elmhurst Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1316189343 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APN-CNP |
| Sole proprietor | No |
| NPI issued | Apr 6, 2009 |
| Last updated in NPPES | Apr 9, 2026 |
| Certified by provider | Apr 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209007542 | IL |
| Nurse Practitioner, Family | 363LF0000X | 209.007542 | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 146 across 19 procedure codes |
| Paid by Medicare | $10,730 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,149 · 2,784 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $84,460 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliation
- Elmhurst Memorial HospitalElmhurst, IL
Industry payments (Open Payments)
- 2025$13.64 · 1 payment from 1 company
- 2024$20.01 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $13.64 | 1 |
What the 2025 payments were for
- Food and Beverage$13.64 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 nurse practitioners in Addison · All nurse practitioners in Illinois