Kenneth Csehak Jr., MD
NPI 1114459989ActiveIndividual· Internal Medicine, Hematology & Oncology· Brooklyn, NY
Internal Medicine, Hematology & Oncology (MD) in Brooklyn, New York, trained at New York University School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $81,243 for 408 claims, against $48,738 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 3 companies reporting payments in 2025, $53.91 in all, mostly food and beverage.
Overview
| NPI | 1114459989 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 31, 2017 |
| Last updated in NPPES | Jul 31, 2023 |
| Certified by provider | Jul 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 303440 | 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 - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 158 |
|---|---|
| Services billed | 496 across 14 procedure codes |
| Paid by Medicare | $48,738 |
Part D prescriptions in 2024
| Prescriptions (claims) | 408 · 463 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $81,243 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- New York UniversityNew York, NY · 6,134 clinicians
Hospital affiliation
- NYU Langone HospitalsNew York, NY
Other facilities
- Revival Home Health CareHome health agency · Staten Island, NY
Industry payments (Open Payments)
- 2025$53.91 · 3 payments from 3 companies
- 2024$30.92 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $24.67 | 1 |
| E.R. Squibb & Sons, L.L.C. | $14.67 | 1 |
| Janssen Biotech, Inc. | $14.57 | 1 |
What the 2025 payments were for
- Food and Beverage$53.91 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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