Robert Matthew Gelfand, M.D.
NPI 1407855612ActiveIndividual· Internal Medicine, Hematology & Oncology· New York, NY
Internal Medicine, Hematology & Oncology (M.D.) in New York, New York, trained at State University of New York Downstate Medical Center (class of 1990). In 2024 Medicare paid $7,434,297 for 1,691 patients, and Part D covered 447 of their prescriptions, 57% of them generic. Amgen Inc. was the largest of 40 companies reporting payments in 2025, $4,213 in all, mostly food and beverage.
Overview
| NPI | 1407855612 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2005 |
| Last updated in NPPES | Jun 6, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 186949 | NY |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 25MA09074900 | NJ |
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 - Hematology/Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,691 |
|---|---|
| Services billed | 519,061 across 128 procedure codes |
| Paid by Medicare | $7,434,297 |
Part D prescriptions in 2024
| Prescriptions (claims) | 447 · 767 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $1,759,828 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Hematology/Oncology |
Medical group
- East Side Oncology Associates PLLC DBA American Infusion CenterNew York, NY · 9 clinicians
Industry payments (Open Payments)
- 2025$4,213 · 162 payments from 40 companies
- 2024$3,189 · 127 payments from 35 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $1,133 | 30 |
| Astrazeneca Pharmaceuticals LP | $434.38 | 28 |
| Janssen Biotech, Inc. | $289.69 | 8 |
| Celgene Corporation | $283.44 | 12 |
| Abbvie Inc. | $223.34 | 9 |
What the 2025 payments were for
- Food and Beverage$4,213 · 162 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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