Denise Ann O'Neil, AGNP
NPI 1427681493ActiveIndividual· Nurse Practitioner, Adult Health· Salamanca, NY
Nurse Practitioner, Adult Health (AGNP) with Olean General Hospital, practicing in Salamanca, New York. Their prescriptions cost Medicare Part D more than their services did: $691,525 for 7,124 claims, against $21,487 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2025, $61.75 in all, mostly food and beverage. Lists Olean General Hospital as a hospital affiliation.
Overview
| NPI | 1427681493 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AGNP |
| Sole proprietor | No |
| NPI issued | Feb 19, 2020 |
| Last updated in NPPES | Feb 19, 2020 |
| Certified by provider | Feb 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 309565 | 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 | 110 |
|---|---|
| Services billed | 311 across 14 procedure codes |
| Paid by Medicare | $21,487 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,124 · 15,331 30-day fills |
|---|---|
| Patients | 323 |
| Total drug cost | $691,525 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Olean General HospitalPalm Bay, FL · 90 clinicians
Hospital affiliation
- Olean General HospitalOlean, NY
Industry payments (Open Payments)
- 2025$61.75 · 3 payments from 3 companies
- 2024$20.62 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $28.26 | 1 |
| Lilly USA, LLC | $18.23 | 1 |
| Glaxosmithkline, LLC. | $15.26 | 1 |
What the 2025 payments were for
- Food and Beverage$61.75 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Adult Health providers in Salamanca
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