Alyssa Corrigan, PA-C
NPI 1255965414ActiveIndividual· Physician Assistant· Chicago, IL
Physician Assistant (PA-C) with Illinois Dermatology Institute, LLC, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $164,083 for 318 claims, against $24,521 paid for services in 2024. Abbvie Inc. was the largest of 21 companies reporting payments in 2025, $2,676 in all, mostly food and beverage.
Overview
| NPI | 1255965414 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 26, 2020 |
| Last updated in NPPES | Dec 9, 2022 |
| Certified by provider | Dec 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085.007293 | 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 | 142 |
|---|---|
| Services billed | 777 across 42 procedure codes |
| Paid by Medicare | $24,521 |
Part D prescriptions in 2024
| Prescriptions (claims) | 318 · 366 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $164,083 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Illinois Dermatology Institute, LLCLa Grange, IL · 57 clinicians
Industry payments (Open Payments)
- 2025$2,676 · 119 payments from 21 companies
- 2024$4,591 · 224 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $490.87 | 23 |
| Arcutis Biotherapeutics, Inc. | $306.62 | 12 |
| Janssen Biotech, Inc. | $274.07 | 17 |
| Amgen Inc. | $212.20 | 8 |
| Incyte Corporation | $184.12 | 8 |
What the 2025 payments were for
- Food and Beverage$2,676 · 119 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,516 physician assistants in Chicago · All physician assistants in Illinois