Katarzyna R. Koscielniak, NP
NPI 1598373714ActiveIndividual· Nurse Practitioner· New Lenox, IL
Nurse Practitioner (NP) with Dupage Medical Group Ltd, practicing in New Lenox, Illinois. Their prescriptions cost Medicare Part D more than their services did: $29,975 for 234 claims, against $8,070 paid for services in 2024. Tactile Systems Technology Inc was the largest of 8 companies reporting payments in 2025, $618.36 in all, mostly food and beverage. Lists Silver Cross Hospital and Medical Centers as a hospital affiliation.
Overview
| NPI | 1598373714 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 14, 2020 |
| Last updated in NPPES | Mar 20, 2026 |
| Certified by provider | Mar 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209-020455 | IL |
| Nurse Practitioner, Family | 363LF0000X | 209020455 | 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 | 103 |
|---|---|
| Services billed | 134 across 18 procedure codes |
| Paid by Medicare | $8,070 |
Part D prescriptions in 2024
| Prescriptions (claims) | 234 · 477 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $29,975 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliation
- Silver Cross Hospital and Medical CentersNew Lenox, IL
Industry payments (Open Payments)
- 2025$618.36 · 20 payments from 8 companies
- 2024$433.82 · 25 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tactile Systems Technology Inc | $263.90 | 13 |
| Organogenesis Inc. | $123.48 | 1 |
| Endologix LLC | $105.65 | 1 |
| Bolton Medical Inc | $46.56 | 1 |
| W. L. Gore & Associates, Inc. | $23.79 | 1 |
What the 2025 payments were for
- Food and Beverage$598.36 · 19 payments
- Education$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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