Natalie Semenovski, NP-C
NPI 1104286756ActiveIndividual· Nurse Practitioner, Primary Care· Brooklyn, NY
Nurse Practitioner, Primary Care (NP-C) with Gastrointestinal Care of Long Island PLLC, practicing in Brooklyn, New York. Their prescriptions cost Medicare Part D more than their services did: $418,783 for 4,523 claims, against $10,157 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $396.35 in all, mostly food and beverage. Lists Mount Sinai Beth Israel and 1 other hospital as hospital affiliations.
Overview
| NPI | 1104286756 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | Yes |
| NPI issued | Feb 24, 2016 |
| Last updated in NPPES | Feb 3, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | F307606-1 | NY |
| Nurse Practitioner | 363L00000X | RN2304659 | MA |
| Nurse Practitioner | 363L00000X | F307606-1 | 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 | 118 |
|---|---|
| Services billed | 201 across 30 procedure codes |
| Paid by Medicare | $10,157 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,523 · 4,840 30-day fills |
|---|---|
| Patients | 875 |
| Total drug cost | $418,783 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Gastrointestinal Care of Long Island PLLCAlbany, NY · 183 clinicians
Hospital affiliations
- Mount Sinai Beth IsraelNew York, NY
- New York Community Hospital of Brooklyn, Inc.Brooklyn, NY
Industry payments (Open Payments)
- 2025$396.35 · 4 payments from 2 companies
- 2024$524.44 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $239.19 | 2 |
| Amgen Inc. | $157.16 | 2 |
What the 2025 payments were for
- Food and Beverage$396.35 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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