Renee Lynn Andrzejewski, ANP
NPI 1922436559ActiveIndividual· Nurse Practitioner, Adult Health· Buffalo, NY
Nurse Practitioner, Adult Health (ANP) with Buffalo Medical Group, P.C. and 2 other groups, practicing in Buffalo, New York. Their prescriptions cost Medicare Part D more than their services did: $73,988 for 350 claims, against $2,966 paid for services in 2024. W. L. Gore & Associates, Inc. was the largest of 5 companies reporting payments in 2025, $324.20 in all, mostly food and beverage. Lists Kaleida Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1922436559 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ANP |
| Sole proprietor | No |
| NPI issued | Oct 16, 2013 |
| Last updated in NPPES | Dec 1, 2021 |
| Certified by provider | Dec 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 306672 | NY |
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 - Nurse Practitioner (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 31 |
|---|---|
| Services billed | 39 across 4 procedure codes |
| Paid by Medicare | $2,966 |
Part D prescriptions in 2024
| Prescriptions (claims) | 350 · 441 30-day fills |
|---|---|
| Patients | 124 |
| Total drug cost | $73,988 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Buffalo Medical Group, P.C.Williamsville, NY · 236 clinicians
- Sisters of Charity Hospital of Buffalo New YorkBuffalo, NY · 164 clinicians
- Academic Medicine Services, Inc.Buffalo, NY · 115 clinicians
Hospital affiliations
- Kaleida HealthBuffalo, NY
- Sisters of Charity HospitalBuffalo, NY
Industry payments (Open Payments)
- 2025$324.20 · 8 payments from 5 companies
- 2024$347.19 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $153.32 | 2 |
| Solventum Corporation | $52.61 | 1 |
| Boston Scientific Corporation | $48.64 | 2 |
| Bolton Medical Inc | $36.25 | 1 |
| Aroa Biosurgery Incorporated | $33.38 | 2 |
What the 2025 payments were for
- Food and Beverage$324.20 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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