Brooke A. Pierson, PA
NPI 1215289137ActiveIndividual· Physician Assistant· Burr Ridge, IL
Physician Assistant (PA) with Affiliated Oncologists LLC, practicing in Burr Ridge, Illinois. 144 Medicare patients in 2024, $225,366 paid; nearly all of their 401 Part D prescriptions were generic (92%). Merck Sharp & Dohme LLC was the largest of 19 companies reporting payments in 2025, $1,023 in all, mostly food and beverage. Lists Advocate Christ Hospital & Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1215289137 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Oct 3, 2012 |
| Last updated in NPPES | May 15, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085-004424 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 7,060 across 60 procedure codes |
| Paid by Medicare | $225,366 |
Part D prescriptions in 2024
| Prescriptions (claims) | 401 · 424 30-day fills |
|---|---|
| Patients | 127 |
| Total drug cost | $199,141 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Affiliated Oncologists LLCMokena, IL · 44 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Advocate Good Samaritan HospitalDowners Grove, IL
- Osf Little Company of Mary Medical CenterEvergreen Park, IL
Industry payments (Open Payments)
- 2025$1,023 · 43 payments from 19 companies
- 2024$924.17 · 37 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $229.82 | 9 |
| Abbvie Inc. | $142.92 | 8 |
| Pfizer Inc. | $84.54 | 4 |
| Amneal Pharmaceuticals LLC | $79.45 | 3 |
| Glaxosmithkline, LLC. | $61.07 | 2 |
What the 2025 payments were for
- Food and Beverage$1,023 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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