Olivia M. Niepsuj, PA-C
NPI 1245887256ActiveIndividual· Physician Assistant· Lake Forest, IL
Physician Assistant (PA-C) with Northwestern Medical Faculty Foundation, practicing in Lake Forest, Illinois. Their prescriptions cost Medicare Part D more than their services did: $215,456 for 2,310 claims, against $4,710 paid for services in 2024. 180 Medical, Inc. was the largest of 2 companies reporting payments in 2025, $53.91 in all, mostly food and beverage. Lists Northwestern Lake Forest Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1245887256 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 23, 2019 |
| Last updated in NPPES | May 23, 2022 |
| Certified by provider | May 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085007686 | 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 - Physician Assistant (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 109 |
|---|---|
| Services billed | 1,137 across 13 procedure codes |
| Paid by Medicare | $4,710 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,310 · 5,422 30-day fills |
|---|---|
| Patients | 744 |
| Total drug cost | $215,456 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2025$53.91 · 2 payments from 2 companies
- 2024$16.45 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| 180 Medical, Inc. | $29.37 | 1 |
| Ardelyx, Inc. | $24.54 | 1 |
What the 2025 payments were for
- Food and Beverage$53.91 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 69 physician assistants in Lake Forest · All physician assistants in Illinois