Audrey Callahan, PA-C
NPI 1811523988ActiveIndividual· Physician Assistant· Evanston, IL
Physician Assistant (PA-C) in Evanston, Illinois, licensed in IL, with an NPI issued in March 2020. Their prescriptions cost Medicare Part D more than their services did: $2,760 for 116 claims, against $1,060 paid for services in 2024.
Overview
| NPI | 1811523988 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Mar 20, 2020 |
| Last updated in NPPES | Aug 7, 2020 |
| Certified by provider | Aug 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085007756 | 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 | 26 |
|---|---|
| Services billed | 27 across 6 procedure codes |
| Paid by Medicare | $1,060 |
Part D prescriptions in 2024
| Prescriptions (claims) | 116 · 121 30-day fills |
|---|---|
| Patients | 88 |
| Total drug cost | $2,760 |
| Generic share | 91% of claims |
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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