Emma Mahalik
NPI 1003517210ActiveIndividual· Physician Assistant· Joliet, IL
Physician Assistant with Oak Street Health Physicians Group PC, practicing in Joliet, Illinois. Their prescriptions cost Medicare Part D more than their services did: $703,774 for 6,510 claims, against $9,031 paid for services in 2024. Lists Saint Joseph Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1003517210 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 14, 2023 |
| Last updated in NPPES | Nov 4, 2026 |
| Certified by provider | Nov 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085.009598 | 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 | 91 |
|---|---|
| Services billed | 187 across 14 procedure codes |
| Paid by Medicare | $9,031 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,510 · 14,665 30-day fills |
|---|---|
| Patients | 690 |
| Total drug cost | $703,774 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Oak Street Health Physicians Group PCBlue Island, IL · 229 clinicians
Hospital affiliations
- Saint Joseph Medical CenterJoliet, IL
- Silver Cross Hospital and Medical CentersNew Lenox, 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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All 47 physician assistants in Joliet · All physician assistants in Illinois