Jennifer Elizabeth Grimmer, FNP
NPI 1821303140ActiveIndividual· Nurse Practitioner· Buffalo, NY
Nurse Practitioner (FNP) with Roswell Park Cancer Institute, practicing in Buffalo, New York. Their prescriptions cost Medicare Part D more than their services did: $84,889 for 1,328 claims, against $4,539 paid for services in 2024.
Overview
| NPI | 1821303140 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Aug 11, 2010 |
| Last updated in NPPES | Jan 13, 2021 |
| Certified by provider | Jan 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | F336343 | NY |
| Nurse Practitioner, Family | 363LF0000X | F336343 | NY |
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 - Nurse Practitioner (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 37 |
|---|---|
| Services billed | 54 across 5 procedure codes |
| Paid by Medicare | $4,539 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,328 · 1,443 30-day fills |
|---|---|
| Patients | 197 |
| Total drug cost | $84,889 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Roswell Park Cancer InstituteBuffalo, NY · 488 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nurse practitioners in Buffalo
- 1003380528
- 1013416759
- 1013432194
- 1013538461
- 1073596110
- 1104809417
- 1114900420
- 1134381437
- 1174290464
- 1184245094
- 1235719766
- 1245710029
All 224 nurse practitioners in Buffalo · All nurse practitioners in New York