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Dr. Steven Gruenstein, MD

Oncologist, Hematologist

New York, NY

About Dr. Steven Gruenstein

Dr Steven Gruenstein is an Associate Clinical Professor of Medicine, in Hematology and Medical Oncology, at the Mount Sinai School of Medicine. He is an Attending Physician both at Mount Sinai and Lenox Hill. Dr Gruenstein completed his subspecialty training at Beth Israel Hospital after which he became board certified in Medical Oncology, Hematology and earlier in Internal Medicine. He is a member of the American Society of Clinical Oncology, the American Society of Hematology, Amercan Society of Breast Diseases amongst others. Dr Gruenstein is recognized throughout the NY Metropolitan as an outstanding clinical Hematologist/Oncologist dedicated to his patients’ wellbeing. He is their advocate. He is also known for kindness and compassion which is evident immediately upon meeting him. He has been honored with citations in New York Magazine’s Best Doctor’s, Castle Connelly’s Best Doctors in US and NY, Patients’ Choice and Compassionate Doctor’s Awards. He has been described, interviewed and quoted in books, magazines and newspapers. He has published extensively in his field. Dr Gruenstein is especially interested in Breast Cancer, Hematologic Malignancies and GI Malignancies. He treats other cancers as well, and is an expert in Benign Hematology. He teaches at both Mount Sinai and Lenox Hill, lecturing on many topics, directing tumor boards and serving on various hospital administrative boards. For patients seeking more time and personalized attention, Dr Gruenstein offers a special Concierge Service.

In-network insurances

  • 1199SEIU
  • AARP
  • Aetna

Specialties

  • Hematologist
  • Oncologist

Practice names

Board certifications

  • American Board of Internal Medicine
  • Hematology (Internal Medicine)
  • Medical Oncology (Internal Medicine)

Education and training

  • Medical School - Università degli Studi di Genova Facoltà di Medicina e Chirurgia, Doctor of Medicine
  • Metropolitan Hospital Center, Residency in Internal Medicine
  • Beth Israel Medical Center, Fellowship in Hematology and Oncology

Professional memberships

  • American Society of Clinical Oncology
  • American Society of Hematology
  • American Society of Breast Disease

Zocdoc awards

Rapid registration
Speedy response

Languages spoken

  • English
  • Italian

Provider's gender

Male

NPI number

1407855307

Dr. Steven Gruenstein's office location

New York Cancer & Blood Specialist

12 East 86th St

New York, NY 10028

Patient reviews for Dr. Steven Gruenstein

All reviews have been submitted by patients after seeing the provider. For more information, check out our Patient Knowledge Base.
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He was the nicest most understanding and kind doctor i have come across. He listened and understood my condition and recommended the best treatment and I’m feeling a million times better as a result. All office staff and nurses were amazing too. Couldn’t recommend more highly!!
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Dr Gruenstein is an awesome provider with an awesome staff as well. He is very thorough and an absolute pleasure to talk to.
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It shows how much he cares for his patients. Would definitely recommend.
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Everything and everyone at the office we’re great, they accommodated me and my baby to the nth degree!
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Less than 1 month ago
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Less than 3 months ago
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