Mikhail Grinberg, MD
NPI 1013917400ActiveIndividual· Internal Medicine, Hematology & Oncology· Brooklyn, NY
Internal Medicine, Hematology & Oncology (MD) in Brooklyn, New York, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $3,497,030 for 981 claims, against $179,979 paid for services in 2024. Janssen Biotech, Inc. was the largest of 13 companies reporting payments in 2025, $694.26 in all, mostly food and beverage.
Overview
| NPI | 1013917400 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 28, 2005 |
| Last updated in NPPES | Nov 16, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 172662 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 666 |
|---|---|
| Services billed | 5,181 across 29 procedure codes |
| Paid by Medicare | $179,979 |
Part D prescriptions in 2024
| Prescriptions (claims) | 981 · 1,078 30-day fills |
|---|---|
| Patients | 143 |
| Total drug cost | $3,497,030 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Hematology Oncology Associates of Brooklyn, LLPBrooklyn, NY · 3 clinicians
Hospital affiliations
- Maimonides Medical CenterBrooklyn, NY
- New York Community Hospital of Brooklyn, Inc.Brooklyn, NY
Industry payments (Open Payments)
- 2025$694.26 · 23 payments from 13 companies
- 2024$3,422 · 21 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $202.96 | 6 |
| Sobi, Inc | $95.00 | 1 |
| Glaxosmithkline, LLC. | $82.28 | 3 |
| Astrazeneca Pharmaceuticals LP | $56.88 | 2 |
| Incyte Corporation | $49.49 | 2 |
What the 2025 payments were for
- Food and Beverage$599.26 · 22 payments
- Education$95.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Brooklyn
- 1154936029
- 1790036234
- 1275862591
- 1871685057
- 1194464354
- 1851647580
- 1952623498
- 1437675154
- 1326117615
- 1437124682
- 1679511703
- 1134356736
All Internal Medicine, Hematology & Oncology providers in New York →