Steven Gruenstein MD
Hematology & Oncology Physician · Oncologist in New York, NY
Provider details
- Specialty
- Hematology & Oncology Physician
- Credentials
- MD
- NPI number
- 1407855307
Checked against the CMS National Provider Identifier registry on October 2, 2026.
Medicare information
- Graduated
- 1984
- Also sees patients at
- North Shore Hematology Oncology Associates PC
12 E 86th St, Ofc 4c, New York, NY 10028 · (631) 751-3000
- North Shore Hematology Oncology Associates PC
- Hospital affiliations
- Lenox Hill Hospital, New York, NY · Medicare rating 5 out of 5 stars
- Medicare
- Accepts Medicare assignment (the Medicare-approved amount as full payment)
- Telehealth
- Offers telehealth visits
From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 3, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare
About
Steven Gruenstein MD is a hematology & oncology physician in New York, New York, registered with the federal National Provider Identifier (NPI) registry. Contact the provider directly to confirm services, hours and accepted insurance.
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