

Hematology
Steven Gruenstein, M.D.
Professor of Medicine, specializing in Hematology and Medical Oncology, at the Mount Sinai School of Medicine
Dr. Steven Gruenstein is an Associate Clinical Professor of Medicine, specializing in Hematology and Medical Oncology, at the Mount Sinai School of Medicine. He is an Attending Physician at both Mount Sinai and Lenox Hill. Dr. Gruenstein earned his medical degree from Universit degli Studi di Genova Scuola di Scienze Mediche e Farmaceutiche. He completed his residency in Internal Medicine at Metropolitan Hospital Center, followed by a fellowship in Hematology and Oncology at Beth Israel Medical
40+
Years in Practice
Credentials
Board Certifications
- board certified in Medical Oncology, He
Education & Training
- fellowship in Hematology and Oncology at Beth Israel Medical Center
- residency in Internal Medicine at Metropolitan Hospital Center
- medical degree from Universit degli Studi di Genova Scuola di Scienze Mediche e Farmaceutiche
Peer Recognition
- Castle Connolly — Top Doctor
2002-2026 (25 years)
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Lenox Hill Hospital
Experience
40+ years in practice