Maximilian Merz, MD
NPI 1689480196ActiveIndividual· Internal Medicine, Hematology & Oncology· New York, NY
Internal Medicine, Hematology & Oncology (MD) with Memorial Hematology Lymphoma Group and 1 other group, practicing in New York, New York. Enrolled in Medicare as practitioner - hematology/oncology. Janssen Global Services, LLC was the largest of 4 companies reporting payments in 2025, $13,060 in all, mostly consulting fees.
Overview
| NPI | 1689480196 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Dec 9, 2024 |
| Last updated in NPPES | Dec 9, 2024 |
| Certified by provider | Dec 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 332922 | 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 - Hematology/Oncology (NY) |
|---|
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Hematopoietic Cell Transplantation And Cellular Therapy |
| Telehealth | Offers telehealth |
Medical groups
- Memorial Hematology Lymphoma GroupNew York, NY · 216 clinicians
- Mskcc Regional NetworkCommack, NY · 136 clinicians
Industry payments (Open Payments)
- 2025$13,060 · 17 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Global Services, LLC | $5,582 | 8 |
| Janssen Biotech, Inc. | $5,433 | 6 |
| Astrazeneca Uk Limited | $2,010 | 2 |
| Janssen Scientific Affairs, LLC | $35.26 | 1 |
What the 2025 payments were for
- Consulting Fee$12,283 · 7 payments
- Food and Beverage$619.17 · 9 payments
- Travel and Lodging$158.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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