Carolyn Collyer
NPI 1215537204ActiveIndividual· Nurse Practitioner· Buffalo, NY
Nurse Practitioner with Roswell Park Cancer Institute, practicing in Buffalo, New York. Their prescriptions cost Medicare Part D more than their services did: $778,960 for 477 claims, against $18,733 paid for services in 2024.
Overview
| NPI | 1215537204 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Oct 28, 2020 |
| Last updated in NPPES | May 28, 2026 |
| Certified by provider | May 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 345750 | 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 | 91 |
|---|---|
| Services billed | 392 across 12 procedure codes |
| Paid by Medicare | $18,733 |
Part D prescriptions in 2024
| Prescriptions (claims) | 477 · 646 30-day fills |
|---|---|
| Patients | 147 |
| Total drug cost | $778,960 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| 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
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All 224 nurse practitioners in Buffalo · All nurse practitioners in New York