Takes about two minutes. Only your first name or chosen display name is shown — your email stays private.
Dr. Steven M. Horwitz sees patients in Manhattan as a medical oncologist with Memorial Hematology Lymphoma Group.
Medical school: Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, class of 1993.
Memorial Hematology Lymphoma Group's Manhattan location at 1275 York Ave, New York, NY 10065 is where Dr. Horwitz sees patients — appointments by phone at (212) 639-2000. A second listed location: 530 E 74th St, New York, NY 10021. The group behind the practice, Memorial Hematology Lymphoma Group, lists 216 clinicians with Medicare. For Medicare patients: Dr. Horwitz accepts assignment. He is listed as offering telehealth.
Have you been a patient of Dr. Horwitz? A short, fair review — what went well, what didn't — helps the next person choosing a medical oncologist in Manhattan.
Practice details
- Specialty
- Medical oncologist
- Credentials
- MD
- Practice
- Memorial Hematology Lymphoma Group
- Address
- 1275 York Ave, New York, NY 10065
- Phone
- (212) 639-2000
- Other locations
- 530 E 74th St, New York, NY 10021
- Medical school
- Cleveland Clinic Lerner College of Medicine of Case Western Reserve University (1993)
- Medicare assignment
- Accepts
- Telehealth
- Available
- NPI number
- 1811968852
- NY license no.
- 198458
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 200 people with traditional Medicare, average age 76
- Medicare quality score (MIPS 2024)
- 80 out of 100 — reported through the group practice
- New York Medicaid
- Enrolled fee-for-service provider since 2024. Medicaid managed-care plans keep their own networks, so check with your plan.
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing oncologists? See 297 in Manhattan or 380 across New York City.
Other oncologists in Manhattan
Dr. Jeffrey E. Ball, MDMedical Oncologist · Weill Medical College of CornellNo reviews yetNew York, NY
Dr. Jeffrey I. Zwicker, MDHematologist-Oncologist · Memorial Hematology Lymphoma GroupNo reviews yetNew York, NY
Dr. Jennifer E. Amengual, MDHematologist · Trustees of Columbia University in the City of New YorkNo reviews yetNew York, NY
Dr. Jennifer K. Lue, MDMedical Oncologist · Memorial Hematology Lymphoma GroupNo reviews yetNew York, NY
Dr. Jia Ruan, MDMedical Oncologist · Weill Medical College of CornellNo reviews yetNew York, NY
Dr. Jimmitti Teysir, MDMedical Oncologist · Memorial Solid Tumor GroupNo reviews yetNew York, NYWrite a review
Frequently Asked Questions
With Memorial Hematology Lymphoma Group, at 1275 York Ave, New York, NY 10065.
Call the office at (212) 639-2000.
Yes — Dr. Horwitz accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, graduating in 1993.
Is this your profile?
