Mary-Katherine Butler, PA-C
NPI 1326524729ActiveIndividual· Physician Assistant· Chicago, IL
Physician Assistant (PA-C) with Northwestern Medical Faculty Foundation, practicing in Chicago, Illinois. 114 Medicare patients in 2024, $9,527 paid; all of their 367 Part D prescriptions were generic. Lists Northwestern Lake Forest Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1326524729 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 18, 2018 |
| Last updated in NPPES | Apr 29, 2026 |
| Certified by provider | Apr 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085007822 | 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 | 114 |
|---|---|
| Services billed | 137 across 14 procedure codes |
| Paid by Medicare | $9,527 |
Part D prescriptions in 2024
| Prescriptions (claims) | 367 · 383 30-day fills |
|---|---|
| Patients | 147 |
| Total drug cost | $3,494 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| 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 Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Other facilities
- Shirley Ryan AbilitylabInpatient rehabilitation facility · Chicago, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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