Mikhail Grinberg, MD
NPI 1013917400 · Hematology & Oncology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mikhail Grinberg, MD is a Hematology & Oncology Physician provider in Brooklyn, NY (NPI 1013917400).
Provider details
- NPI number
- 1013917400
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 172662 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,932 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,269 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,269 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 851 | $155 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 178 | $203 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 157 | $110 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyurea | 106 | 19 |
| Letrozole | 89 | 16 |
| Ruxolitinib Phosphatebrand: Jakafi | 56 | — |
| Lenalidomide | 51 | — |
| Tramadol Hcl | 47 | — |
| Ibrutinibbrand: Imbruvica | 40 | — |
| Prednisone | 37 | — |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,422 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-28
- Last updated
- 2009-11-16
Frequently asked questions
- What is Mikhail Grinberg's NPI number?
- Mikhail Grinberg's National Provider Identifier (NPI) is 1013917400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mikhail Grinberg's specialty?
- Mikhail Grinberg is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Mikhail Grinberg located?
- Mikhail Grinberg's practice location on file with NPPES is 1660 East 14th St, Brooklyn, NY 11229.
- What is Mikhail Grinberg's phone number?
- The practice phone number listed in the NPPES registry for Mikhail Grinberg is (718) 382-8500.
- Does Mikhail Grinberg accept Medicare?
- Mikhail Grinberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mikhail Grinberg's NPI active?
- Yes — Mikhail Grinberg's NPI (1013917400) is active in the NPPES registry as of the last update on 2009-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.