NPIMap

Individual provider Active NPI

Steven Greenstein, M.D.

  • Cardiovascular Disease Physician
  • Oceanside, NY
National Provider Identifier
1417362245
Registry record updated Aug 8, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
293863 Issued in NY
Practice address
1 Healthy Way
Oceanside, NY 11572-1551
Phone
(516) 632-3000
NPI assigned
Jul 1, 2014
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 8, 2022

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 293863 NY
Cardiovascular Disease Physician 207RC0000X 293863 NY Primary

Addresses

Primary practice location

1 Healthy Way
Oceanside, NY 11572-1551

Mailing address

256 Grove Ave
Cedarhurst, NY 11516-1716
Phone (516) 574-9845

Other practice location 1

451 Clarkson Ave
Brooklyn, NY 11203-2054
Phone (718) 245-3131

Other practice location 2

58 Auerbach Ln
Lawrence, NY 11559-2526
Phone (516) 574-9845

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220823002338 NY Practitioner - Cardiovascular Disease (Cardiology) 6709119050 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Albert Einstein College of Medicine of Yeshiva University, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mount Sinai School of MedicineGroup PAC ID 6406096544, 150 clinicians

Practice addresses (Care Compare)

1 Healthy Way
Oceanside, NY 11572-1551
Phone (877) 768-8462

1050 Central Ave
Woodmere, NY 11598-1618
Phone (516) 614-0070

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
293863NYMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mount Sinai School of Medicine CurrentSince Aug 1, 2022 Accepting new patients
Sag Medical PC Cardiovascular Disease CurrentSince Sep 27, 2025 Accepting new patients
Mount Sinai School of Medicine Current Accepting new patients
Mount Sinai School of Medicine CurrentSince Aug 1, 2022 Accepting new patients

Locations

1 Healthy Way
Oceanside, NY 11572
Phone (516) 255-1581

1050 Central Ave
Woodmere, NY 11598
Phone (516) 374-9300

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H1722

Interoperability endpoints

  • Direct secure messaging: sgreenstein2138881@nychhc.direct-ci.com

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 20

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 20

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1404172800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1659916800000",
    "number": "1417362245",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "256 GROVE AVE",
            "city": "CEDARHURST",
            "state": "NY",
            "postal_code": "115161716",
            "telephone_number": "516-574-9845"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 HEALTHY WAY",
            "city": "OCEANSIDE",
            "state": "NY",
            "postal_code": "115721551",
            "telephone_number": "516-632-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "451 Clarkson Ave",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112032054",
            "country_code": "US",
            "telephone_number": "718-245-3131",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "58 Auerbach Ln",
            "address_purpose": "LOCATION",
            "city": "Lawrence",
            "state": "NY",
            "postal_code": "115592526",
            "country_code": "US",
            "telephone_number": "516-574-9845",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GREENSTEIN",
        "first_name": "STEVEN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-07-01",
        "last_updated": "2022-08-08",
        "certification_date": "2022-08-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "293863",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NY",
            "license": "293863",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oceanside, NY

Sources for this page

Verify at the official NPI Registry.