MEMORIAL HEMATOLOGY LYMPHOMA GROUP
Medicare Clinicians for NPI 1245945021
Internal Medicine - Medical Oncology in New York, NY
Clinicians Billing Medicare Through This Organization CMS
Clinicians who reassign their Medicare billing to this organization, per CMS enrollment records.
Memorial Hematology Lymphoma Group in New York, NY bills Medicare for 427 clinicians across 11 Medicare specialties. The largest specialties are Nurse Practitioner with 190, Hematology/Oncology with 67 and Pathology with 57. Of these, 26 practice at this address and 340 within 10 miles. Search by name or filter by specialty; each name links to that clinician's NPI profile.
This page lists the 250 clinicians practicing nearest to this organization's location. All 427 are counted in the totals above.
Nurse Practitioner (83 of 190)
New York, NY 10065
Hematology/Oncology (50 of 67)
New York, NY 10065
Pathology (40 of 57)
New York, NY 10065
New York, NY 10065
New York, NY 10065
New York, NY 10065
Medical Oncology (32 of 47)
New York, NY 10021
New York, NY 10065
Internal Medicine (25 of 37)
Hematology (12 of 18)
Hematopoietic Cell Transplantation and Cellular Therapy (4 of 5)
Family Practice (1)
Hospitalist (1 of 3)
Neurology (1)
Thoracic Surgery (1)
New York, NY 10021
About this data
Medicare reassignment. A clinician who works for a hospital, clinic or medical group usually signs a Medicare reassignment (form CMS-855R). It lets the organization bill Medicare for the clinician's services and receive the payment. This page lists the clinicians whose reassignment to Memorial Hematology Lymphoma Group appears in the CMS Revalidation Reassignment List.
Who is included. Clinicians who bill Medicare under their own NPI through this organization. A clinician can reassign to more than one organization, so the same name may also appear under other groups.
Nearest 250. The totals and specialty counts cover all 427 clinicians. The list shows the 250 whose practice address is closest to this NPI's location, so each Memorial Hematology Lymphoma Group location shows its own nearest clinicians.
Addresses and phone numbers come from each clinician's own NPPES record, so they may point to another office or to the clinician's own practice.
Source: CMS Revalidation Reassignment List, October 2026 release; addresses, phone numbers and Medicare status from NPPES and PECOS. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.