Anne Marie Klassert, NP
Nurse Practitioner, Adult Health (NP) with Stony Brook Urology University Faculty Practice Corporation, practicing in Stony Brook, New York. Their prescriptions cost Medicare Part D more than their services did: $138,477 for 893 claims, against $36,691 paid for services in 2024. Janssen Biotech, Inc. was the largest of 20 companies reporting payments in 2025, $1,954 in all, mostly food and beverage. Lists Suny/Stony Brook University Hospital as a hospital affiliation.
Overview
| NPI | 1467448985 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Sep 20, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | F300922-1 | 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 | 232 |
|---|---|
| Services billed | 464 across 21 procedure codes |
| Paid by Medicare | $36,691 |
Part D prescriptions in 2024
| Prescriptions (claims) | 893 · 1,959 30-day fills |
|---|---|
| Patients | 285 |
| Total drug cost | $138,477 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Stony Brook Urology University Faculty Practice CorporationEast Setauket, NY · 39 clinicians
Hospital affiliation
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$1,954 · 44 payments from 20 companies
- 2024$1,318 · 36 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $488.64 | 10 |
| Urogen Pharma, Inc. | $234.08 | 7 |
| Teleflex LLC | $212.51 | 1 |
| Blue Earth Diagnostics | $166.51 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $156.04 | 3 |
What the 2025 payments were for
- Food and Beverage$1,945 · 43 payments
- Education$8.60 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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