Allison Marie Kornahrens, PMHNP
NPI 1013660588ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Bay Shore, NY
Nurse Practitioner, Psych/Mental Health (PMHNP) with Samaritan Medical Services PC, practicing in Bay Shore, New York. 99 Medicare patients in 2024, $23,763 paid; nearly all of their 249 Part D prescriptions were generic (95%). Alkermes, Inc. was the largest of 4 companies reporting payments in 2025, $318.41 in all, mostly food and beverage. Lists St Catherine of Siena Hospital as a hospital affiliation.
Overview
| NPI | 1013660588 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP |
| Sole proprietor | No |
| NPI issued | Feb 3, 2022 |
| Last updated in NPPES | Feb 3, 2022 |
| Certified by provider | Feb 3, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 403752 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 99 |
|---|---|
| Services billed | 591 across 6 procedure codes |
| Paid by Medicare | $23,763 |
Part D prescriptions in 2024
| Prescriptions (claims) | 249 · 251 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $9,265 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Samaritan Medical Services PCWest Islip, NY · 354 clinicians
Hospital affiliation
- St Catherine of Siena HospitalSmithtown, NY
Industry payments (Open Payments)
- 2025$318.41 · 7 payments from 4 companies
- 2024$106.21 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alkermes, Inc. | $128.72 | 3 |
| Teva Pharmaceuticals USA, Inc. | $119.79 | 1 |
| Otsuka America Pharmaceutical, Inc. | $45.09 | 2 |
| Lundbeck LLC | $24.81 | 1 |
What the 2025 payments were for
- Food and Beverage$318.41 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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