Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Steven Horwitz, MD

Individual provider Medical Oncology Physician · NPI 1811968852

Steven Horwitz, MD is a Medical Oncology in New York, New York. Graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1993, 33 years ago. Practices with Memorial Hematology Lymphoma Group, a 216-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
33
Trained at
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1275 York Ave
New York, NY 10021-6007
Phone: (212) 639-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 198458 (NY)

Record details

NPI number1811968852
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 29, 2006
Last updated in NPPESApril 6, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolCLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated 1993 (33 years in practice)
Group practice Memorial Hematology Lymphoma Group — 216 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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