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

Steven Greenstein, MD

Individual provider Emergency Medicine Physician · NPI 1417362245

Steven Greenstein, MD is a Cardiovascular Disease (Cardiology) in Oceanside, New York. Graduated from Albert Einstein College of Medicine of Yeshiva University in 2014, 12 years ago. Practices with Mount Sinai School of Medicine, a 151-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
12
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
NY
In the registry since
2014
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1 Healthy Way
Oceanside, NY 11572-1551
Phone: (516) 632-3000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 451 Clarkson Ave, Brooklyn, NY 11203-2054 — (718) 245-3131
  • 58 Auerbach Ln, Lawrence, NY 11559-2526 — (516) 574-9845

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 293863 (NY)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 293863 (NY)

Record details

NPI number1417362245
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 1, 2014
Last updated in NPPESAugust 8, 2022
Certification dateAugust 8, 2022
Mailing address256 Grove Ave, Cedarhurst, NY 11516-1716

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 2014 (12 years in practice)
Group practice Mount Sinai School Of Medicine — 151 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Oceanside