Kiersten Judith O'Neill, PA-C
NPI 1003430596ActiveIndividual· Physician Assistant· Chicago, IL
Physician Assistant (PA-C) with Northwestern Medical Faculty Foundation, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $22,895 for 145 claims, against $12,290 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $22.98 in payments in 2025, mostly food and beverage. Lists Northwestern Lake Forest Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1003430596 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 1, 2020 |
| Last updated in NPPES | Aug 21, 2024 |
| Certified by provider | Aug 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085008521 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 74 |
|---|---|
| Services billed | 142 across 13 procedure codes |
| Paid by Medicare | $12,290 |
Part D prescriptions in 2024
| Prescriptions (claims) | 145 · 201 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $22,895 |
| Generic share | 61% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
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$22.98 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $22.98 | 1 |
What the 2025 payments were for
- Food and Beverage$22.98 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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