William Christian Ahrenholz, PA
NPI 1043968001ActiveIndividual· Physician Assistant· Chicago, IL
Physician Assistant (PA) with Northwestern Medical Faculty Foundation and 1 other group, practicing in Chicago, Illinois. Part D covered 365 prescriptions written in 2024, 80% of them generic.
Overview
| NPI | 1043968001 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | Mar 17, 2022 |
| Last updated in NPPES | Jul 10, 2026 |
| Certified by provider | Jul 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085009068 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (IL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 365 · 704 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $51,346 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
- Lawndale Christian Health CenterChicago, IL · 123 clinicians
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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