Steven Horwitz, MD
NPI 1811968852ActiveIndividual· Internal Medicine, Medical Oncology· New York, NY
Internal Medicine, Medical Oncology (MD) in New York, New York, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $445,160 for 122 claims, against $59,583 paid for services in 2024. Pfizer Inc. was the largest of 7 companies reporting payments in 2025, $25,409 in all, mostly consulting fees.
Overview
| NPI | 1811968852 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 29, 2006 |
| Last updated in NPPES | Apr 6, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 198458 | 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 - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 600 across 14 procedure codes |
| Paid by Medicare | $59,583 |
Part D prescriptions in 2024
| Prescriptions (claims) | 122 · 158 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $445,160 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Memorial Hematology Lymphoma GroupNew York, NY · 216 clinicians
Industry payments (Open Payments)
- 2025$25,409 · 19 payments from 7 companies
- 2024$3,187 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $8,975 | 4 |
| Sobi, Inc | $7,339 | 8 |
| Kyowa Kirin, Inc. | $4,000 | 2 |
| Janssen Research & Development, LLC | $2,025 | 1 |
| Vertex Pharmaceuticals Incorporated | $1,600 | 1 |
What the 2025 payments were for
- Consulting Fee$23,738 · 9 payments
- Travel and Lodging$1,036 · 3 payments
- Food and Beverage$635.76 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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