Marianna Hacker, NP
NPI 1689395477ActiveIndividual· Nurse Practitioner, Adult Health· Smithtown, NY
Nurse Practitioner, Adult Health (NP) with St Catherine of Siena Medical Center, practicing in Smithtown, New York. In 2024 Medicare paid $33,287 for 269 patients, and Part D covered 76 of their prescriptions, 84% of them generic. Lifenet Health reported $133.14 in payments in 2025, mostly food and beverage. Lists St Catherine of Siena Hospital as a hospital affiliation.
Overview
| NPI | 1689395477 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Sep 8, 2022 |
| Last updated in NPPES | Nov 22, 2022 |
| Certified by provider | Nov 22, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 310892 | 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 | 269 |
|---|---|
| Services billed | 564 across 20 procedure codes |
| Paid by Medicare | $33,287 |
Part D prescriptions in 2024
| Prescriptions (claims) | 76 · 86 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $9,247 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- St Catherine of Siena Medical CenterSmithtown, NY · 98 clinicians
Hospital affiliation
- St Catherine of Siena HospitalSmithtown, NY
Other facilities
- Catholic Home CareHome health agency · Farmingdale, NY
Industry payments (Open Payments)
- 2025$133.14 · 1 payment from 1 company
- 2024$40.89 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lifenet Health | $133.14 | 1 |
What the 2025 payments were for
- Food and Beverage$133.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 55 adult health nurse practitioners in Smithtown · All adult health nurse practitioners in New York