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In Oceanside, Dr. Steven A. Greenstein works as a cardiologist at Mount Sinai School of Medicine.

Medical school: Albert Einstein College of Medicine of Yeshiva University, class of 2014.

To book an appointment, call (877) 768-8462. Dr. Greenstein's office is at 1 Healthy Way, Oceanside, NY 11572. He also has a listed practice location at 1050 Central Ave, Woodmere, NY 11598. Mount Sinai School of Medicine is a large group — 148 clinicians are enrolled with Medicare under it. Dr. Greenstein accepts Medicare assignment, which means he takes the Medicare-approved amount as full payment for covered services.

Dr. Greenstein is affiliated with Mount Sinai South Nassau, Mount Sinai Hospital, Kings County Hospital Center and NYU Langone Hospitals.

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Practice details

Specialty
Cardiologist
Credentials
MD
Practice
Mount Sinai School of Medicine
Address
1 Healthy Way, Oceanside, NY 11572
Phone
(877) 768-8462
Other locations
1050 Central Ave, Woodmere, NY 11598
Medical school
Albert Einstein College of Medicine of Yeshiva University (2014)
Hospital affiliations
Mount Sinai South Nassau, Mount Sinai Hospital, Kings County Hospital Center, NYU Langone Hospitals
Medicare assignment
Accepts
NPI number
1417362245
NY license no.
293863

Medicare, Medicaid and hospitals

Medicare patients (2024)
1,345 people with traditional Medicare, average age 80
Most common services billed to Medicare
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function
  • Ultrasound of heart with color-depicted blood flow, rate and valve function
  • Ultrasound of heart blood flow, valves and chambers, follow-up
New York Medicaid
Enrolled fee-for-service provider since 2020. Medicaid managed-care plans keep their own networks, so check with your plan.
Hospital pages
Kings County Hospital Center · Mount Sinai Hospital · Mount Sinai South Nassau · NYU Langone Hospitals · St. Francis Hospital - The Heart Center

Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.

Comparing cardiologists? See 3 in Oceanside or 231 across Long Island.

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Frequently Asked Questions

With Mount Sinai School of Medicine, at 1 Healthy Way, Oceanside, NY 11572.

Call the office at (877) 768-8462.

Yes — Dr. Greenstein accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.

Mount Sinai South Nassau, Mount Sinai Hospital, Kings County Hospital Center and NYU Langone Hospitals.

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