Rebecca A. Griesemer, PA-C
NPI 1134222425ActiveIndividual· Physician Assistant· Buffalo Grove, IL
Physician Assistant (PA-C) with Endeavor Health Medical Group, practicing in Buffalo Grove, Illinois. 378 Medicare patients in 2024, $44,031 paid; nearly all of their 503 Part D prescriptions were generic (93%). Bayer Healthcare Pharmaceuticals Inc. reported $44.61 in payments in 2024, mostly food and beverage. Lists Northwest Community Hospital 1 as a hospital affiliation.
Overview
| NPI | 1134222425 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 5, 2006 |
| Last updated in NPPES | Mar 16, 2022 |
| Certified by provider | Mar 16, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085-002393 | 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 | 378 |
|---|---|
| Services billed | 641 across 39 procedure codes |
| Paid by Medicare | $44,031 |
Part D prescriptions in 2024
| Prescriptions (claims) | 503 · 832 30-day fills |
|---|---|
| Patients | 284 |
| Total drug cost | $8,930 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliation
- Northwest Community Hospital 1Arlington Heights, IL
Industry payments (Open Payments)
- 2024$44.61 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $44.61 | 1 |
What the 2024 payments were for
- Food and Beverage$44.61 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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