Katie Anita Gillies, PA-C
NPI 1356714075ActiveIndividual· Physician Assistant· Winfield, IL
Physician Assistant (PA-C) with Northwestern Medical Faculty Foundation, practicing in Winfield, Illinois. Their prescriptions cost Medicare Part D more than their services did: $45,770 for 502 claims, against $30,235 paid for services in 2024. Olympus America Inc. was the largest of 3 companies reporting payments in 2025, $286.09 in all, mostly food and beverage. Lists Northwestern Medicine Central Dupage Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1356714075 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Nov 3, 2015 |
| Last updated in NPPES | Sep 25, 2023 |
| Certified by provider | Sep 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085006447 | 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 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 | 259 |
|---|---|
| Services billed | 722 across 30 procedure codes |
| Paid by Medicare | $30,235 |
Part D prescriptions in 2024
| Prescriptions (claims) | 502 · 947 30-day fills |
|---|---|
| Patients | 244 |
| Total drug cost | $45,770 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Other facilities
- Marianjoy Rehabilitation CenterInpatient rehabilitation facility · Wheaton, IL
Industry payments (Open Payments)
- 2025$286.09 · 6 payments from 3 companies
- 2024$142.62 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus America Inc. | $180.16 | 4 |
| Boston Scientific Corporation | $77.77 | 1 |
| 180 Medical, Inc. | $28.16 | 1 |
What the 2025 payments were for
- Food and Beverage$286.09 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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